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COLOR TV SERVICE MANUAL
CHASSIS : MP-015A

MODEL : PT-53A83T
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

DIGITAL INDEX

CH:

MOVIE SPORTS MUSIC SPORTS
C L R

PRO LOGIC

LS

RS

CATV CATV

TV /

CONTENTS

Contents .......................................................................................................... 2 Safety Precautions ..........................................................................................3 Servicing Precautions .................................................................................... 4 Specifications ................................................................................................. 6 Control Descriptions ...................................................................................... 8 Adjustment......................................................................................................11 Troubleshooting .............................................................................................18 Block Diagram ................................................................................................26 Printed Circuit Board .....................................................................................30 Wiring Diagram...............................................................................................42 Exploded View .............................................................................................. 44 Exploded View Parts List...............................................................................45 Replacement Parts List ................................................................................ 46 SVC. Sheet .........................................................................................................

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SAFETY PRECAUTIONS
IMPORT ANT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

General Guidance
An lsolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitary that may be inadvertently introduced during the service operation. If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it with the specified. When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB. Keep wires away from high voltage or high temperature parts. Due to high vacuum and large surface area of picture tube, extreme care should be used in handling the Picture Tube. Do not lift the Picture tube by it's Neck.

Before returning the receiver to the customer,
always perform an AC leakage current check on the exposed metallic parts of the cabinet, such as antennas, terminals, etc., to be sure the set is safe to operate without damage of electrical shock.

Leakage Current Cold Check(Antenna Cold Check)
With the instrument AC plug removed from AC source, connect an electrical jumper across the two AC plug prongs. Place the AC switch in the on positioin, connect one lead of ohm-meter to the AC plug prongs tied together and touch other ohm-meter lead in turn to each exposed metallic parts such as antenna terminals, phone jacks, etc. If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1M and 5.2M. When the exposed metal has no return path to the chassis the reading must be infinite. An other abnormality exists that must be corrected before the receiver is returned to the customer.

Leakage Current Hot Check (See below Figure)
Plug the AC cord directly into the AC outlet. Do not use a line Isolation Transformer during this check. Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor between a known good earth ground (Water Pipe, Conduit, etc.) and the exposed metallic parts. Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms/volt or more sensitivity. Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each esposed metallic part. Any voltage measured must not exceed 0.75 volt RMS which is corresponds to 0.5mA. In case any measurement is out of the limits sepcified, there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer.

X-RAY Radiation
Warning:
The source of X-RAY RADIATION in this TV receiver is the High Voltage Section and the Picture Tube. For continued X-RAY RADIATION protection, the replacement tube must be the same type tube as specified in the Replacement Parts List.

To determine the presence of high voltage, use an accurate high impedance HV meter. Adjust brightness, color, contrast controls to minimum. Measure the high voltage. The meter reading should indicate 23.5 ¡ 1.5KV: 14-19 inch, 26 ¡ 1.5KV: 19-21 inch, 29.0 ¡ 1.5KV: 25-29 inch, 30.0 ¡ 1.5KV: 32 inch If the meter indication is out of tolerance, immediate service and correction is required to prevent the possibility of premature component failure.

Leakage Current Hot Check circuit

AC Volt-meter

To Instrument's exposed METALLIC PARTS

Good Earth Ground such as WATER PIPE, CONDUIT etc.
0.15uF

1.5 Kohm/10W

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SERVICING PRECAUTIONS
CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. Remember: Safety First. General Servicing Precautions 1. Always unplug the receiver AC power cord from the AC power source before; a. Removing or reinstalling any component, circuit board module or any other receiver assembly. b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection. c. Connecting a test substitute in parallel with an electrolytic capacitor in the receiver. CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard. d. Discharging the picture tube anode. 2. Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device (DVM, FETVOM, etc) equipped with a suitable high voltage probe. Do not test high voltage by "drawing an arc". 3. Discharge the picture tube anode only by (a) first connecting one end of an insulated clip lead to the degaussing or kine aquadag grounding system shield at the point where the picture tube socket ground lead is connected, and then (b) touch the other end of the insulated clip lead to the picture tube anode button, using an insulating handle to avoid personal contact with high voltage. 4. Do not spray chemicals on or near this receiver or any of its assemblies. 5. Unless specified otherwise in this service manual, clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or comparable nonabrasive applicator; 10% (by volume) Acetone and 90% (by volume) isopropyl alcohol (90%-99% strength) CAUTION: This is a flammable mixture. Unless specified otherwise in this service manual, lubrication of contacts in not required. 6. Do not defeat any plug/socket B+ voltage interlocks with which receivers covered by this service manual might be equipped. 7. Do not apply AC power to this instrument and/or any of its electrical assemblies unless all solid-state device heat sinks are correctly installed. 8. Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead. Always remove the test receiver ground lead last. 9. Use with this receiver only the test fixtures specified in this service manual. CAUTION: Do not connect the test fixture ground strap to any heatsink in this receiver. Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some fieldeffect transistors and semicounductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity. 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any electostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly. 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an anti-static type solder removal device. Some solder removal devices not classified as "anti-static" can generate electrical charges sufficent to demage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices. 6. Do not remove a repalcement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material). 7. Immediately before removing the protective material from the ieads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION:Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the bruching together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device.) General Soldering Guidelines 1. Use a grounded-tip, low-wattage soldering iron and appropriate tip size and shape that will maintan tip temperature within the range or 500¡£ to 600¡£ F F. 2. Use an appropriate gauge of RMA resin-core solder composed of 60 parts tin/40 parts lead. 3. Keep the soldering iron tip clean and well tinned. 4. Thorohly clean the surfaces to be soldered. Use a mall wirebristle (0.5 inch, or 1.25cm) brush with a metal handle. Do not use freon-propelled spray-on cleaners. 5. Use the following unsoldering technique a. Allow the soldering iron tip to reach normal temperature. (500¡£ to 600¡£ F F) b. Heat the component lead until the solder melts. c. Quickly draw the melted solder with an anti-static, suction-type solder removal device or with solder braid. CAUTION: Work quickly to avoid overheating the circuiboard printed foil. 6. Use the following soldering technique. a. Allow the soldering iron tip to reach a normal temperature (500¡£ to 600¡£ F F) b. First, hold the soldering iron tip and solder the strand against the component lead until the solder melts.

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c. Qulckly move the soldering iron tip to the junction of the component lead and the printed circuit foil, and hold it there only until the solder flows onto and around both the component lead and the foil. CAUTION: Work quickly to avoid overheating the circuit board printed foil. d. Closely inspect the solder area and remove any excess or splashed solder with a small wire-bristle brush. IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil. When holes are the slotted type, the following technique should be used to remove and replace the IC. When working with boards using the familiar round hole, use the standard technique as outlined in parapraphs 5 and 6 above.

Fuse and Conventional Resistor Removal/Replacement 1. Clip each fuse or resistor lead at top of the circuit board hollow stake. 2. Securely crimp the leads of replacement component around notch at stake top. 3. Solder the connections. CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or "lift-off" the board. The following guidelines and procedures should be followed whenever this condition is encountered.

Removal 1. Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts. 2. Draw away the melted solder with an anti-static suctiontype solder removal device (or with solder braid) before removing the IC. Replacement 1. Carefully insert the replacement IC in the circuit boare. 2. Carefully bend each IC lead against the circuit foil pad and solder it. 3. Clean the soldered areas with a small wire-bristle brush. (It is not necessary to reapply acrylic coating to the areas).
"Small-Signal" Discrete Transistor Removal/Replacement 1. Remove the defective transistor by clipping its leads as close as possible to the component body. 2. Bend into a "U" shape the end of each of three leads remaining on the circuit board. 3. Bend into a "U" shape the replacement transistor leads. 4. Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the "U" with long nose pliers to insure metal to metal contact then solder each connection. Power Output, Transistor Device Removal/Replacement 1. Heat and remove all solder from around the transistor leads. 2. Remove the heatsink mounting screw (if so equipped). 3. Carefully remove the transistor from the heat sink of the circuit board. 4. Insert new transistor in the circuit board. 5. Solder each transistor lead, and clip off excess lead. 6. Replace heatsink. Diode Removal/Replacement 1. Remove defective diode by clipping its leads as close as possible to diode body. 2. Bend the two remaining leads perpendicula y to the circuit board. 3. Observing diode polarity, wrap each lead of the new diode around the corresponding lead on the circuit board. 4. Securely crimp each connection and solder it. 5. Inspect (on the circuit board copper side) the solder joints of the two "original" leads. If they are not shiny, reheat them and if necessary, apply additional solder.

At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board. (Use this technique only on IC connections).
1. Carefully remove the damaged copper pattern with a sharp knife. (Remove only as much copper as absolutely necessary). 2. carefully scratch away the solder resist and acrylic coating (if used) from the end of the remaining copper pattern. 3. Bend a small "U" in one end of a small gauge jumper wire and carefully crimp it around the IC pin. Solder the IC connection. 4. Route the jumper wire along the path of the out-away copper pattern and let it overlap the previously scraped end of the good copper pattern. Solder the overlapped area and clip off any excess jumper wire.

At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins. This technique involoves the installation of a jumper wire on the component side of the circuit board.
1. Remove the defective copper pattern with a sharp knife. Remove at least 1/4 inch of copper, to ensure that a hazardous condition will not exist if the jumper wire opens. 2. Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly connected to the affected copper pattern. 3. Connect insulated 20-gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side. Carefully crimp and solder the connections. CAUTION: Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges.

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SPECIFICATIONS
NOTE : Specifications and others are subject to change without notice for improvement.
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Video input system: Multi 26 System (Refer to Table 1) Intermediate Frequency Vision IF : 38.9MHz Color IF : 34.47MHz *SECAM : 38.9-4.25MHz ( 38.9-4.40625MHz 35.32MHz(M) Sound IF : 33.4MHz(B/G) 32.9MHz(I) 32.4MHz(D/K,K1) 34.4MHz(M) Tuning range Band VHF-Low VHF-High Hyper UHF Ch21-69 For TV B/G Ch2-4 Ch5-12 D/K Ch1-5 Ch6-12 Ch4-13 I/I

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Power consumption : 250 Wmax.

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Tuning system : FVS 100 Program Memory(With Teletext Model) FVS 200 Program Memory(W/O Teletext Model)

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Sound output : R,L Out : 10 W+10W(48,53"),20W+20W(43") Center : 10W(Option) SL/SR : 5W+5W (Option)

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For CATV NTSC S1'-S3', S1 Ch2-13 S2-S10, S11-S20 S21-S41 Ch14-69

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OSD (On Screen Display): EZ Menu Method Antenna input impedance: VHF/UHF 75ohm, Unbalanced Voice coil impedance : 8 ohm External connections : AV Input : V/L/R : 1 (Side) V/L/R : 2 (Rear,PT-) AV Output : V/L/R : 1 (Rear,PT-) Component Input : Component 1 :480i/L/R Component 2:480p/L/R S-VIdeo Input : Y/C : 2 (Side 1,Rear 1) Scart : Full Scart(With RGB Input) : 1 Half Scart : 1 (AV In/Out) Half Scart : 1 (AV In/YC In) Specifications Video in/out Audio in (2 way) Audio out (2 way) 1Vp-p¡ 3dB, 75ohm 0.63Vrms¡ 3dB, over 10Kohm 0.5Vrms¡ 3dB, below 1Kohm

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Function : Turbo Sound/Picture PSM SSM Auto Sleep CATV/Hyper band Teletext (TOP/FLOF/LIST)-Option Multi Window PIP

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O

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Features Picture quality improvement circuit - YNR (Luminance Noise Reduction) - Picture Outline Compensation - Digital Comb Filter - Color Transition Improvement - Dynamic S-VM - Black Stretcher - Digital Eye - Digital Convergence - Digital 100Hz & Progressive - Digital Index - Dvd Input Sound quality improvement circuit - Pro Logic(48,53")/ Virtual(43") - Equalizer

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Power requirements : 110-240 Vac, 50/60HZ(PT-) 230 Vac, 50HZ(PE/PL-)

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T able 1 : Receiving System (26 System)
No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Receiving System PAL-B PAL-G VHF Band PAL-I PAL-D PAL-K SECAM-B SECAM-G SECAM-D SECAM-K SECAM-K1 NTSC-M NTSC 4.43/5.5MHZ NTSC 4.43/6.0MHZ NTSC 4.43/6.5MHZ SECAM-I (6.0MHZ) SECAM-L (Video In) NTSC 3.58/4.5MHZ/50HZ PAL 5.5MHZ/60HZ PAL 6.0MHZ/60HZ PAL 6.5MHZ/60HZ SECAM 5.5MHZ/60HZ SECAM 6.0MHZ/60HZ SECAM 6.5MHZ/60HZ NTSC 3.58/5.5MHZ NTSC 3.58/6.0MHZ NTSC 3.58/6.5MHZ Play-back for special Video Tape Recorder Play-back for special Video tape/Video disk player Play-back for special Video Tape Recorder Reception of broadcast and playback for Video Tape Recorder PAL/SECAM-B PAL/SECAM-D SECAM-K1 NTSC-M (US) NTSC-M (JAPAN) UHF Band PAL/SECAM-G PAL-I SECAM-K PAL-K NTSC-M (US) NTSC-M (JAPAN) : 21-69 : 21-69 : 21-69 : 13-56 : 14-78 : 13-62 : 2-12 : 1-12 : 2-9 : 2-13 : 1-12 Function Receiving Channel

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CONTROLS DESCRIPTION
All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set.

POWER

Remote control handset
TV/AV TURBO PICTURE TEXT PR + INPUT PR MUTE

1 2 3 4
PR SWAP I/II SOUND PIP

Before you use the remote control handset, please install the bat10 teries. See the next page. 11 1. POWER switches the set on from standby or off to standby. 12 2. I/II selects the language during dual language broadcast. selects the sound output. 13 14 3. TURBO SOUND BUTTON selects Turbo sound. 4. PIP BUTTONS PIP switches the sub picture on or off. PR +/selects a programme for the sub picture. SWAP alternates between main and sub picture. INPUT selects the input mode for the sub picture. SIZE adjusts the sub picture size. STILL freezes motion of the sub picture. POSITION 15 relocates the sub picture in clockwise direction. 4/12 PIP switches on or off the programme scan mode through 4 or 12 sub pictures . 16 17 5. MENU 18 selects a menu. 6.
D / E (Programme Up/Down) selects a programme or a menu item. switches the set on from standby. F / G (Volume Up/Down) adjusts the volume. adjusts menu settings. OK accepts your selection or displays the current mode.

5

MENU

6

VOL

OK

VOL

PR 1 4 7 2 5 8 0 4/12PIP TIME SLEEP
M

3 6 9 SSM STILL REVEAL LIS T EYE
?

7 8

PSM POSITION SIZE MIX

STOP

P/STILL PLAY

REC FF

9

REW

7. NUMBER BUTTONS switches the set on from standby or directly select a number. 8. PSM (Picture Status Memory) recalls your preferred picture setting. (With TELETEXT) 9. VCR BUTTONS control a LG video cassette recorder.

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10. TV/AV selects TV or AV mode. clears the menu / text from the screen. switches the set on from standby. 11. TURBO PICTURE BUTTON selects Turbo picture. 12. TELETEXT BUTTONS (option) These buttons are used for teletext. For further details, see the `Teletext' section. 13. SWAP returns to the previously viewed programme. 14. MUTE switches the sound on or off. 15. SSM (Sound Status Memory) recalls your preferred sound setting. 16. LIST displays the programme table. 17. SLEEP sets the sleep timer.
PR POWER

1 2 3 4
PR SWAP I/II SOUND PIP PR + INPUT PR MUTE TURBO TV/AV PICTURE

10 11

5

MENU

13 14

6

VOL

OK

VOL

18. EYE switches the eye function on or off.

1 4 7 PSM POSITION SIZE

2 5 8 0 4/12PIP

3 6 9 SSM STILL

Note : In teletext mode, the PR +/-, SWAP and INPUT buttons are 7 used for teletext function.

Battery installation
The remote control handset is powered by two AAA type batteries. To load the batteries, turn the remote control handset over and open the battery compartment. Install two batteries as indicated by the polarity symbols ( + and - ) marked inside the compartment.

8

15

SLEEP

LIST EYE

16 17 18

STOP

P/STILL PLAY

REC FF

9

REW

Note : To avoid damage from possible battery leakage, remove the batteries if you do not plan to use the remote control handset for an extended period of time.

(Without TELETEXT)

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Front panel

· PT-48/53A83 series

PR

MUTE

8
PR MUTE PR MENU VOL OK VOL TV/AV

2
ON/OFF

PR

MENU

VOL

OK

4 5 6 7

VOL

TV/AV

9 3 11
ON/OFF

· PT-43A83 series

1

S-VIDEO VIDEO

8
PR MUTE PR MENU VOL OK VOL TV/AV

10
ON/OFF

L/MONO AUDIO R

9 11 1. MAIN POWER (ON/OFF) switches the set on or off. 2. / G (Volume Up/Down) adjusts the volume. adjusts menu settings. D / E (Programme Up/Down) selects a programme or a menu item. switches the set on from standby.
F

AV3

(Side panel)

8. REMOTE CONTROL SENSOR 9. EYE (option) adjusts picture according to the surrounding conditions. 10. AUDIO/VIDEO IN SOCKETS (AV3) Connect the audio/video out sockets of external equipment to these sockets. S-VIDEO/AUDIO IN SOCKETS (S-AV) Connect the video out socket of an S-VIDEO VCR to the S-VIDEO socket. Connect the audio out sockets of the SVIDEO VCR to the audio sockets as in AV3. 11. CENTRE SPEARKER (PT-48/53A83 series only) LEFT/RIGHT LOUD-SPEARKERS Only in PT-48/53A83 series model, the left/right loud-speakers are detachable and need to be connected to the SPEAKER OUT sockets on the back panel of the set as indicated by red (+) and black (-) knobs. Note : Before placing the speakers, screw the speaker legs to the holes on them.

3. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. 4. MUTE displays information which is input to the set with three different brightness. 5. MENU selects a menu. 6. OK accepts your selection or displays the current mode. 7. TV/AV selects TV or AV mode. clears the menu / text from the screen. switches the set on from standby.

*

CASTERS (on the bottom) turn and move the set easily.

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ADJUSTMENT INSTRUCTIONS
Caution :
1.Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect test instrument. 2.Adjustment must be done in the correct order. 3.The receiver must be operated for about 60 minutes proir to the adjustment. Pre-heatrun must be operated receiving moving pictures or 100% white pattern.
45mm

3. 2-Pole Magnet Adjustment
1) Make Green raster using lens cover. 2) Check the center position of DOT pattern on the center of the screen after turning Green focus volume left. 3) Turning green focus volume right and adjust 2-Pole magnet so the position to coincide that of item 2). 4) Ajust not to shift the screen by turning green focus volume left & right. 5) If the screen shifts, readjust 2)~4). 6) Do the same method in Red and Blue. Here, be careful not to be stained.

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Raster Slant/Focus Adjustment
1) The lens focus and electrical focus must be provisional alignment. 2) Tune the TV set to receive a EU 05 CH. 3) Press the buttons of Remote Controller for adjustment (SVC$ M M $5$OK$ ) to reset the convergence.

1. Preliminary steps

2. Adjustment
1) Set only green to be appeared on the screen. 2) Carefully rotate the DY of the green CRT so that the slant of raster become the following figure.
8 7 6 5 5 3 4 2 5 3 6 5 8 7

4. Beam Shape (4 & 6-Pole Magnet) Adjustment
1) Do after 2-Pole magnet adjustment. 2) Make Green raster using lens cover and turn the focus volume right. 3) Make the dot in the center a perfect circle using 4 & 6-Pole magnet. 4) Do the same method in Red & Blue. 5) Fasten the Magnet after adjustment. 6) Adjust focus accurately.
2 Pole Magnet

L ¡´ 2mm
6 4 2 1 2 4 6

7

5

3

2

3

5

7
4 Pole Magnet

3) Set two color (R or B and G) to be appeared on the screen. 4) Set the slant of Red or Blue correspond to the green. Note) 1. Tighten the tightening iron after loose completely. tighten iron which fixing DY when adjusting raster slant and set position. 2. Never control to the tightening iron which fixed, it's condition is not untied.

6 Pole Magnet

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Centering Magnet Adjustment
1) Tune the TV set to receive a EU 05 CH. 2) Press the buttons of Remote Controller for adjustment (SVC$ M ) to reset the convergence. M $5¡ OK$

1. Preliminary steps
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Beam Alignment Adjustment
Signal Generator can produce DOT pattern

1. Test Equipment 2. Preliminary steps
1) 2) 3) 4) Heat run over 60 minutes. Pre-adjust Raster slope,Raster position & Lens focus. Check if the Magnet is located 45mm from the end of CRT. Receive DOT pattern.

2. Adjustment 1) LG Convergence assy
Make green raster using lens cover and coincide horizontal/vertical center lines of pattern with those of screen. 2) SGS-THOMSON Convergence assy Adjust until the center of blue signal is shifted upto 30mm left from that of green signal and center of red signal is shifted upto 30mm right from that of green signal with turning the centring magnet. 3) After adjusting, recover original convergence data.

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High Voltage Regulation Adjustment
Digital Multi-Meter(DMM)

1. Test Equipment 2. Preliminary steps
1) Switch picture mode to STANDARD in no signal input.

4) HS (Horizontal Shift) Adjust so that the horizontal center line of a digital circle pattern is in accord with geometric horizontal center of the CPT. 5) EW (East-west Width) Adjust until the outermost left and right vertical line of the screen is accord with the edge of the frame. 6) EP (East-west Parabolar) Adjust so that middle portion of the outermost left and right vertical line looks like parallel with vertical lines of the CPT. 7) ET(East-west Trapezium) Adjust to make the length of top horizontal line same with it of the bottom horizontal line. 8) A-ANG(AFC Angle) 9) A-BOW(AFC BOW) 10) U-C(Upper Cotner Pincushion) 11) L-C(Lower Cotner Pincushion) 12) U-VL(Upper Vertical Linearity) 13) L-VL(Lower Vertical Linearity) 14) VL (Vertical Linearity) Adjust so that the boundary line between upper and lower half is in accord with geometric horizontal center of the CPT. 15) SC (Vertical "S" Correction) Adjust so that all distance between each horizontal lines are to be the same. 16) V-ASP(Vertical Aspect Ratio) Adjust the vertical aspect ratio.

3. Adjustment
1) Connect "+" terminal(Red) of DMM to the Anode of D432 and "-" terminal(Black) to the Heat Sink of Q406. 2) Adjust VR401 so that the D432 terminal voltage is 21.3!0.1V.
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CUT-OFF Adjustment
1) Press the "SVC" button and then press the " " button on the remote controller for adjustment to display horizontal line . (Even though you enter into the SVC mode, the horizontal line might not be seen according to the position of Screen Volume.) 2) Adjust Screen Volume (R/G/B) in Focus Pack until brightness of red/blue/green horizontal line is about not to be seen.(At this moment, brightness of red, blue or green horizontal line should be equal to one another.) 3) Exit the adjustment mode by pressing the " " button.

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Deflection Adjustment
1) Adjust differently based on input signal such as NTSC or PAL. 2) NTSC adjustment should be done in STANDARD mode of picture after receving 13CH signal,and PAL adjustment should be done in STANDARD mode of picture after receving EU05 CH. 3) Reset the data in convergence adjustment mode,quit the mode. Convergence Mode : SVC, M Data reset : 5 , OK Adjustment mode out : M

1. Preliminary steps

2. PAL Mode Deflection Adjustment
1) At SVC mode,press the YELLOW key get into the deflection adjustment mode. 2) VS (Vertical Shift) Adjust until geometric vertical certer line of the screen is accord with the vertical center line of the screen JIG at EU 05 CH by pressing the VOLUME F,G button. 3) VA (Vertical Amplitude) Adjust until fifth vertical line from upper and lower center of the screen is accord with the edge of the frame.

17) Store the adjusted data in EEPROM by pressing the "OK" button before exiting adjustment mode. 18) Restore the convergence correction data by pressing the "TV/AV" button before exiting adjustment mode

3. NTSC Mode Deflection Adjustment
1) Adjust vertical size (VA Adjustment) until fourth vertical bar from upper and lower center screen is accord with the edge of the frame. 2) Adjust horizontal size (EW Adjustment) until third bar to indicate horizontal size of circle is accord with the edge of the frame. 3) Do other adjustments the same as in PAL mode.
Fourth Vertical Line

Third Bar

Fifth Vertical Line

Outmost Vertical Line

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Lens Focus & Electronic Focus Adjustment
1) Electronic focus,Raster slope & Raster position must be preadjusted. 2) Heat-run over 60 minutes. 3) Receive Crosshatch pattern. 4) Adjustment must be operated in a dark room(simple dark room) and pay attention not to touch the lens during adjustment. 5) Screen the optional two lens with a cover so that the single color is appeared on the screen. 6) When turn the light the lens at front, chromatic aberration which appeared in bright line of cross-Hatch signal changed as below.
8 6 5 5 3

to green which of 3.5 Cross-Hatch part from picture's center toward left.

1. Preliminary steps

2) Adjust the chromatic aberration become center of purple and green. Note) After adjustment Red,Green & Blue lens, remove lens cover and receive Cross-Hatch pattern and check the overall focus. If need, repeat above.
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Convergence Adjustment
1) This adjustment should be performed after raster slant, raster position, horizontal and vertical adjustment. 2) This adjustment should be performed after warming up 60 minutes. 3) Do it always with crosshatch pattern. 4) Adjust for both PAL and NTSC system. 5) Use the jig screen with the cross hatch pattern for each mode.

Lens Red Blue

Change of chromatic aberration Orange ¤AScarlet Purple ¤AGreen
7

1. Preliminary steps

Green Blue ¤ARed
6 4 2

2. G-lens Adjustment
1) Turn the lens until the chromatic aberration changed Blue to Red point. 2) Viewing the all screen, in no case of the chromatic aberration appeared slimly within 3.5 cross-Hatch of the picture center. At this time, in case that the red chromatic aberration's bright line isn't equal, adjust G-lens so that the red chromatic aberration is appeared more than previous time.

2. Convergence Key
1) Convergence Mode : SVC, M 2) Cursor shift : F , G , D ,E 3) Cursor Movement/Adjustment Selection : OK 4) Cursor Color Selection : TV/AV M 5) Adjustment mode out : Note) When cursor flickers, its adjustment mode, and when quiescent, its cursor movement mode.
O

Mode Adjustment
M of Remote Controller for Press the buttons SVC & adjustment to get into the convergence adjustment mode.

3) Switching the signal to 13CH and operate adjustment minutely. 4) Adjust G-focus control volume of focus pack so that the external big circle's part appeared cleary. 5) Adjust accurately by repeat the upper control. 6) Especially, noting to the G-light because it influenced on picture's function.

1. Preliminary steps

2. Horizontal/Vertical phase Adjustment
1) Press the buttons 9 & 5 to get into the phase adjustment mode. 2) Horizontal Phase Adjustment. Press the volume F /G button and move the convex part to the middle of TV screen.

3. R-lens Adjustment
1) Turn the lens until the chromatic aberration changed orange to scarlet. 2) Adjust the chromatic aberration so that it located center correctly. 3) Switching the signal to 13CH and adjust it as same method of G-lens.

4) Adjust as same method of G-lens with Red focus control volume of focus pack.

4. B- lens Adjustment
1) Turn the lens until the chromatic aberration changed purple

3) Vertical Phase Adjustment Press the channel D /E button and move the convex part to the middle of TV screen. 4) Press the OK button to escape from the adjustment.

- 13 -

3. Pattern Position Adjustment
1) Change into pattern shift mode. (Press numeric buttons "9" & "4") 2) Make sure to overlap pattern and image. (Use M U T E button) 3) Accord the center of image and pattern. (Use F , G , D ,E buttons) 4) Quit pattern shift mode. (Press "OK" button) 5) Save adjusted phase/pattern position adjustment mode.(Press "9", "2" & "OK" buttons)
O

X=0.280 and Y=0.300 (Deviation : !0.01). 6) Set BRIGHT to L/Light adjustment mode and adjust CR (R Cut Off) and CB (B Cut Off) until color coordinate becomes X=0.282 and Y=0.286 (Deviation : !0.01). 7) Repeat adjusting until the color coordinate of H/Light and L/Light is satisfied. 8) Save the data after adjustment. (Press "OK" button) 9) Quit adjustment mode. (" TV/AV " button)

SUB-BRIGHT Adjustment

4. Green Convergence Adjustment
1) Show the OSD on screen by pressing 2 button,then change the OSD to green(G) adjustment mode with pressing TV/AV button. 2) Close the cover of red CRT and blue CRT so that green display on screen only. 3) Adjust to coincide green pattern with screen jig pattern. (Use F , G , D ,E buttons) Move cursor and adjust convergence in same way with item 3). Here, do it in the same order from center listed in figure.
8 7 6 5 5 3 4 2 5 3 6 5 8 7
100%,80% GRAY PATTERN

6

4

2

1

2

4

6

7 8

5 6

3 5

2 4

3 5

5 6

7 8

1) Tune the TV set to receive a EU 05 CH. 2) Enter SVC mode by pressing the "SVC" button. Adjust SBRI data until 100% and 80% GRAY PATTERN is classified. (Use F , G , D ,E, ENTER buttons)
O

5. Red Convergence adjustment
1) Show the OSD on screen by pressing 2 button,then change the OSD to red(R) adjustment mode with pressing TV/AV button. 2) If the need arises,close the cover of the blue lens. 3) Coincide the red screen with the green screen in same way with that of green convergence adjustment.

DVCO Adjustment
1) Tune the TV set to receive a EU 05 CH. 2) Enter the adjustment mode by pressing SVC button of Remote Controller for adjustment,then select DVCO menu. Operate auto adjustment with VOLG button. If DVCO data is changed,auto adjustment has finished. 3) After finishing DVCO adjustment,save the data by pressing OK button.

6. Blue Convergence adjustment
1) Show the OSD on screen by pressing 2 button,then change the OSD to blue(B) adjustment mode with pressing TV/AV button. 2) Coincide the blue screen with the green screen in same way with that of red convergence adjustment.
O

PIP POSITION Adjustment
1) After receiving a PAL signal,show the multi-picture scan screen on screen with pressing WD2 9/4PIP button. 2) Check the left,right blank on SCAN screen.(May be 20±5mm)
Left Blank Right Blank

7. Adjusted Data saving
1) Save the data after adjustment. (Press "9", "1" & "OK" button) 2) Quit convergence adjustment mode. ("
M

" button)

O

White Balance Adjustment
Brightness meter(CA110),Pattern Generator(Window Pattern)

1. Test Equipment 2. Adjustment
1) This adjustment must be operated in a dark room or equivalent. 2) Adjust after Cut-Off and Focus adjustment. 3) The brightness meter must be located in 20¡ 5 c m distance from the center of the screen. 4) Receive WINDOW signal. 5) Set BRIGHT to H/Light adjustment mode in 4) and enter SVC mode by pressing the "SVC" button. Adjust RG (R Gain) and BG (B Gain) until color coordinate becomes 3) If the left,right blank isn't 20±5mm and symmetry,enter the adjustment mode by pressing SVC button of Remote Controller for adjustment and select service adjustment mode 5 by pressing YELLOW button. 4) Adjust M-HOR and M-VER to symmetry of left,right blank in service adjustment mode 5. 5) When finishing adjustment,save the data by pressing OK button.

- 14 -

O

SVC Adjustment mode & Initial data

Menu DC-TR LRGB2

Description DC transmission control RGB2 output level control DElay Line switching Sharpness f0 INput1 CB signal DC Offset INput1 CR signal DC Offset INput2 CB signal DC Offset INput2 CR signal DC Offset A-SAW output gain control EW output DC level AKB time shift EW output DC control VBLK width control Left HBLK width control Right HBLK width control Sub contrast PEAK ABL

Range

Default 3 A 0 1 7 4 7 4 0 1 0 0 0 37 1B A C

1. White Blalane adjustment data (IC:CXA2100)
Menu RD GD BD RC GC BC S-BRI DVCO Description Red Drive Green Drive Blue Drive Red Cut-off Green Cut-off Blue Cut-off Sub BRIGHT Digital VCO Range Default 12 1F 19 0C 3F 19 1A

DL-PA SHPF0 CB-F1 CR-F1 CB-F2 CR-F2 VCOMP EW-DC AKBT2 HCOMP

2. Deflection adjustment data (IC:CXA2100)
Default Menu VS VA HS EW EP ET U-C L-C U-VL L-VL VL A-ANG A-BOW SC V-ASP Description Vertical Shift Vertical Amp Horizontal Shift East-West Width East-West Parabola East-West Trapezium UP Corner Pincushion LO Corner Pincushion UP Vertical LIneality LO Vertical LIneality Vertical LIneality AFC Angle AFC Bow Vertical S-Correction Aspect ratio control Range PAL 11 10 1A 1D 1E 6 11 11 C 5 6 7 7 3 1F NTSC 10 13 2A 1E 20 6 11 11 D 7 6 7 7 3 1F

VBLKW LE-BL RI-BL S-CON P-ABL

4. Sound adjustment data (IC:MSP3452)
Menu FM NP SP S1 VOL S2 VOL MDB-ST MDB-LIM MDB-HMC MDB-LP MDB-HP Description FM Prescaler NICAM Prescaler SCART Prescaler SCART 1 Volume SCART 2 Volume MDB Effect Bass Strength MDB Amplitude Limit MDB Harmonic Content MDB Low Pass MDB High Pass Range Default 1B 73 18 50 50 24 FD 64 09 06

3. Picture adjustment data (IC:CXA2100)
Menu D-COL COLAX DCOL LIMLE CTILE GAMMA LTILE BLKBO ABLTH ABLMO VM-LE PREOV DPIC Description Dynamic Color ON/OFF Color matrix Dynamic Color Temperate RGB Amplitude Limiter Level CTI Level GAMMA correction LTI Level RGB Bottom LImiter Level ABL threshold ABL Mode VM Level Pre/Over-Shoot Control Auto Pedestal level Range Default 1 2 1 1 1 2 1 0 3 3 1 3 1

5. Picture adjustment data (IC:SDA9410)
Menu VDEM NRY NRC NRKY NRKC ODELM VDELS FSEL RF AGC M-HOR M-VER Output Processing delay master Vsync input delay(sub) Filter Select RF AGC Level Horizontal PIP Position Vertical PIP Position Description Vsync input delay(main) Temporal Noise Reduction of Y Temporal Noise Reduction of C Range Default 13 0e 0a 00 00 Aa 13 3 A2 7 7

- 15 -

6.OPTION Data Adjustment
Range 200 PRO Description 1: 200 Program(CHINA Only) 0: 100 Program TSEAR 1: With TURBO Search 0: Without TURBO Search I/II SV 1: Save Dual Sound Condition 0: Not Save Dual Sound TOP option1 EYE Condition 1: TOP + FLOF TEXT 0: FLOF TEXT 1: With Digital EYE A2 ST 0: Without Digital EYE 1: With FM Stereo SYS 0: Without FM Stereo 0 : BG/I/DK(PE-) 1 : BG/L(PL-) 2: BG/I/DK/M(PT-) 3 : RESERVED ACMS 1: Wih Channel Name Display (All Countries except Austrailia) 0: Without Channel Name Display (Austrailia) VOL 1: Rushed Sound Curve (Middle East ASIA,INDIA) 0: Standard Sound Curve (Other countries) option2 AV4 1: With AV4 Input 0: Without AV4 Input 1: PE/PL Model 0: PT Model 1: With COMPONENT1 Input 0: Without COMPONENT1 Input 1: With COMPONENT2 Input 0: Without COMPONENT2 Input 1: With VGA Input 0: With VGA Input 1: With CENTER SPK 0: Without CENTER SPK VFD 1: Digital Index button 0: SOUND MUTE button C MUTE option3 DOLBY 1: RF Normal Sound Modulation(Others) 0: High Deviation Modulation(CHINA) 1: With DOLBY Pro LOgic 0: Without DOLBY Pro LOgic V-DOL 1: With DOLBY Virtual Surround 0: Without DOLBY Virtual Surroud option3 Default Range TEXT Description 1: With Teletext 0: Without Teletext(CHINA) 1: RF 54% Modulation INput 0: RF 100% Modulation INput 1: China+AUST.Channel Table 0: Other countries Channel table Default

SCART

CH + AU

EU

DVD i

DVD p

VGA C SPK

- 16 -

State

Language 0:E Only 1:EU 5EA 2:EU ETC 3:PARSI English

Funciton

Default

English/German/French/Italy/Spanish Pol./Hungary/Czecho/Russia/Eng English/Parsi English/French/Arab+Urdu English/Hindi English/Indonesian/Malaysian/Vietnamese English/Thai English/China English/French/Swedish/Czech/German/Spanish/Itallian Polish/Fench/Swedish/Czech/German/Slovenian/Italian/Romanian English/French/Swedish/Turkish/German/Spanish/Itallian English/Hungarian/Serbian/Czech/German/Polish/Spanish/Itallian/ Romanian

LANG

4:ARAB DUAL 5:English+Hindi 6:English+I+M+V 7:English+THAI 8:English+China 0:West Europe 1:East Europe

option4

2:Turkey 3:EAST EU2

4:Cyrillic 1 5:Cyrillic 2 6:Cyrillic 3 T-LAN 7:Turkey/Greek 1 8:Turkey/Greek 2 9:Turkey/Greek 3 10:Arab/France 11:Arab/English 12:Arab/Hebrew 1 13:Arab/Hebrew 2 14:Farsi/English 15:Farsi/France 16:Farsi all

- 17 -

Trouble Shooting
1. NO PICTURE ( SOUND OK )

Check MAIN1 Q101(E) Waveform.

CVBS Signal ? (2Vpp)

YES

NO

NO Waveform of AV Board IC202 #63 ?

Check around IC202

Check Tuner(TU101) VIDEO output

YES

Waveform of AV Board Q505(E) ?

NO

Check around IC202

YES

Waveform of VIDEO Board IC501 #72 ? YES

NO

Check IC501

Waveform of VIDEO Board IC501 #31~#50? YES

NO

Check around IC501 #31~#50 Output circuit.

Waveform of VIDEO Board IC706 #84,87,90 ? YES

NO

Check around IC706

Waveform of VIDEO Board IC702 #26,28,30 ? YES

NO Check around IC702

Waveform of CPT SOKET CATHODE(RK/GK/BK) ?

NO Check IC901 R.G.B

- 18 -

2. NO SOUND (PICTURE OK)
< RF > Waveform of MAIN1 Q103 Q104 ( SIF ) ?

Waveform of AV Board IC205 #47,48,50,51,53,54,56,57 at each Mode ?

NO

Checkarround each Jack

NO

Check TU101

YES

YES

YES

Waveform of NO AV Board IC205 #67 ?

Check around IC205

Waveform of AV Board IC205 #25,27,28 ?

NO

Check around IC205

YES

Waveform of MAIN1 IC601 #7 #11 ?

NO

Check around AV Board Q215,216,217

YES

Waveform of MAIN1 IC601?

NO

Check around IC601,602

- 19 -

3. NO PIP
Waveform of AV Board IC202 #8,15,22,35 ? Waveform of MAIN1 Q110(E) ? Waveform of PIP Board IC502 #1,2,3,7,9 ?

NO YES

Check JA202 YES

NO Waveform of Video Board IC202 #44 ? Check Video Board Q203,IC202 YES YES NO Check ScartJack JA204

Waveform of Video Board IC502 #72 ?

NO

Check P212B

YES

Waveform of Video Board IC502 #31~#50 ? (R,G,B, FB)

NO Check around IC502

YES

Waveform of Video IC706 #51~#73 ? ( Y,U,V)

NO

Check PIP Board IC706

- 20 -

4. NO Teletext (Picture OK)

Waveform of MAIN1 IC501 #4 ? YES Micom Board Ic001 #21 ? NO CheckMicom IC001 #57~60

YES Check OPTION3 TEXT Code (SVC MODE)

5. NO OSD (ON SCREEN DISPLAY)

Waveform of Micom Board IC001#29,#30 ? NO

Horizontal, Vertical Fly Back Input

YES

Check DEF. Board. CheckMicom Board Q001,002

Waveform of Micom Board IC001 #57,58,59, 60 ? YES

NO Check around IC001

Waveform of Video Board Ic702 #83,84,85,86 ? (R,G,B,FB)

NO Check around IC702

- 21 -

6. NO POWER ON

Check input voltage of IC001#6,8,22,40,56,73,75,92 YES

NO

Check SMPS Board

Check IC001 #52,53 (OSC)

NO Replace X001

YES NO Check IC001 #11,12 (SCL,SDA) Replace Q003, Q004

YES

LOW Check IC001 #44 (ABN)

CheckAbnormnalCircuit

HIGH Check IC001 #34 ( IR ), #31~38 (Key In) NO

Check P004A connector

- 22 -

7. NO VFD OPERATION (Option)

Check AV Board IC205 #5 Sound signal.

NO Check IC205sound output

YES NO Check IC205 #3 output Check around IC205

YES NO Check IC001 #45,46 Check Q008, 007

YES NO Check IC001 #47,48,49 Check Q011, Q012

- 23 -

8.NO RASTER
Check +B voltage 115V or not OK No Check F801 Check 5V,9V, 12V lines Yes OK 0V

Is the voltage at Pin 76,69 of IC501 5V ? Yes Does the square waveform from Pin 17 of IC702 appear? No Check / Replace IC702 Yes

Open

Check / Replace F801,D815 IC801 0V

Check the voltage of C812(+)

Check IIC bus lines (SDA,SCL) Check / Replace D815

Is the waveform at collector Q402 normal? No Check / Replace Q402,T401 Check the voltage at pin 4 of IC801 Yes 6~8 V Lower than 6V

Check / Replace D805,Q801 ZD801

Is the waveform at collector Q403 normal? No

Check/Replace IC887,IC871 Check the 2nd voltage are short or not

Check / Replace Q403

Yes

Check / Replace T401

- 24 -

9. INCORRECT CONVERGENCE

Does the static convergence correct?

NO

YES

Check the input vlotage at P201 YES NO

Re-adjust static convergence by remote controller Not controlled Are there pulse signal at pin121 of IC2051 Controlled

Check pulse pin125 of IC2051(4Mhz)

Check voltage on the SMPS PCB

OK

NO YES Check/Replace IC2051 NO Check V,H at Pin 2,4 of P404 Are there V,H pulse at Pin 3,4 of P404

YES Check / Replace Q2201

YES

NO

NO

YES

Check / Replace IC2002

Check H,V on the DEF PCB

Check V,H signal on the DEF PCB

Check /Replace IC2051

- 25 -

IC204 LA7222 AV3-L-IN SIF #67 #50,51 #33,34 #36,37 SC3_R,L IN AV4-L-IN AV3-R-IN AV4-R-IN SC4_R,L IN 480i-L-IN SC2_R,L IN #53,54 #27,28 480p-L-IN 480i-R-IN 480p-R-IN SCL1,SDA1 IC203 LA7222 SC1_R,L IN #29,31

(MONITOR OUT) SC2_OUT R,L (RF OUT) SC1_OUT R,L

TUNER (MAIN) S,Cout IC602 TDA7265 Cout R,Lout Sout IC205 SOUND CONTROL (MSP3452) #47,48 R,Lout IC601 TDA7265 EEPROM (24C16) ROM (M27V201) IC004
IC003

SR SL

TUNER (PIP)

C R L

#49 V(P) YIN1 #63 CVBS(M) Vout1 #53 V(M) V(M) YUV(M) #72,71 YCbCr #4,5,6 YUV(P) 480p_Y #75 MAIN VIDEO #31-50 #31-47 #51-73 CVBS V/Y,Cout1 CVBS(P) V #22 #60 S_A/D,STRB,RST

AV3 (SIDE) SRAM (1M BIT)

IC501 LA7016 SWITCH

IC206 BAND EQUAL. (MSGEQ7)

IC001 MICOM (SDA555)

S-JACK (AV3) (SIDE)
#3,5

#24,26

IC202 #56,58 VIDEO PIP-V Y,C S/W #44 V/Y,C (CXA2069) IC501 PROCESSOR (VPC3230)
#1,2,3,79 #17 R,G,B,FB 480i_L,R YPbPr #72 YCbCr #4,5,6 #31-50 YPbPr #56,57 IC702 VCD ,58 R,G,B 480p_L,R V(P) 100Hz YUV VS_IN #60 #52,53,54 VGA_V Hout #84,87,90 #4 Vout #5 V #15 V #8 #41 VOUT3

IC706 480i->100HZ (SDA9410)

DATA CLK STRB

IC801 VFD DRIVER (UPD16311)

G1~9 P1~16

VFD801 HNR-09ML02

R,L_IN

BLOCK DIAGRAM(SIGNAL)

- 26 DVD(480i) (BACK)
#33-36 #25 #30

OSD RGB

AV4/SAV4 (HALF)

V/Y,C

TDA6111

CRT R
TDA6111 IK

SC2 R,L_OUT

MONITOR OUT

R,L_IN

CRT G
TDA6111
#28

AV2 (HALF) DVD(480p) (BACK)
YPbPr

V_IN

SC1 R,L_OUT

RF OUT

Rout Gout Bout #26 (CXA2100)
#39,40 ,41

R,L_IN R,G,B,FB

IC502 PIP VIDEO PROCESSOR (VPC3230)

CRT B

AV1 (FULL)
#1,2,3,79

V_IN

EW,VD+,VDHD,SVM,DF ABL, XRAY #59

R,G,B,FB

TO DEF BOARD
H_FBP VPROT HS_IN

OPTION
480p_Y SYNC SEP.

Hout VGA_H 480p_V VGA_V IC704 74LS157

VGA_H

PC VGA IN (SIDE)

VGA_V

R,G,B

BLOCK DIAGRAM(DEF)
E/W S/W AMP

B+

IC401 KIA4358

HD

H-DRIVE Q402 IRFIBC206

H-DRIVE TRANS T401

H OUT TR Q403 2SC5446

H-DY

DUMMY FBT T405

H-DF

FOCUS V HV OUT TR Q416 2SD1887

FOCUS PACK H.V BLOCK

HVDRIVE Q413 IRFIBC206

HV DRIVE TRANS T402

FBT T403

H.V

DYNAMIC FOCUS

P411 9V p-p SAWTOOTH Pulse Generator Q433 K2518 PWM PULSE H.V Stabilize IC408,402 H-V DET DF TRANS T405

H.V ADJUST VR401

V-DF

VD + VD-

V-OUT IC1401 LA7846

V-DY

DF

DF AMP IC406 NJM4560

DF TR Q406 C4710

- 27 -

AC INPUT 100~240V AC

POWER SW


ERROR AMP IC871 SE115 17V -17V

T405 DUMMY FBT VERTICAL IC IC1401 LA7846

40V 45V 12V 8V ST8V

12V 115V P805A FBT 30V H.V BLOCK 115V P810A 8V 12.4V IC402 -22V IC406 ST-8V P811A 33V 26V 45V -22V ST-8V IC405 GL7824 IC408 8V P402A 12V 24V P411A 200V P405 IC410 7905 T403 8V

DC RECTIFIER

40V

POWER TR IC801 STR-F6658B

SMPS TRANS

BLOCK DIAGRAM(SMPS-WIDE)

- 28 -

T801

POWER TR IC802 STR83145

5V -20V -26V



< SMPS >
-26V

< DEF >

-26V P401 26V 5V -5V P404A 40V

200V 12V





ST8V



8V

AC INPUT 230V AC

POWER SW 


ERROR AMP IC871 SE115 17V -17V

T405 DUMMY FBT VERTICAL IC IC1401 LA7846 

40V 45V 12V 8V ST8V

12V 115V P805A FBT 30V H.V BLOCK P411A 115V P810A 8V 12.4V IC402 -22V IC406 ST-8V P811A 33V 26V 45V -22V ST-8V IC405 GL7824 8V P402A 12V  IC408  24V 200V P405  IC410 7905 T403 8V

DC RECTIFIER

40V

POWER TR IC801 STR-F6658B

SMPS TRANS

BLOCK DIAGRAM(SMPS-NARROW)

- 29 -

T801

Current Hamonics

5V -20V -26V



< SMPS >
-26V

< DEF >

-26V P401 26V 5V -5V P404A 40V

200V 12V





ST8V



8V

PRINTED CIRCUIT BOARD
SIGNAL

- 30 -

COMPONENT LOCATION GUIDE(SIGNAL)
C001.......A5 C002.......B5 C003.......B5 C004 ......C5 C005 ......C5 C006.......B4 C007.......B4 C008.......A4 C009.......A2 C010.......B1 C011.......B1 C012.......A2 C013.......A1 C014.......A1 C015.......A1 C016.......A1 C017.......A1 C018 ......C3 C019.......B4 C020.......A4 C021.......A4 C022.......A3 C023.......A3 C024.......B3 C031 ......C5 C032 ......C5 C051.......B1 C101.......E5 C104.......E5 C105.......F5 C107 ......G5 C108 ......G5 C109.......E5 C110 ......D5 C111 ......D5 C112.......E5 C113.......E5 C115.......F5 C116.......F5 C118.......F5 C119.......F5 C121.......F5 C122.......F5 C123.......F5 C124 ......G5 C125 ......G5 C126 ......G5 C127.......F4 C130.......E4 C131.......E4 C132.......E4 C133.......E4 C134.......E4 C135.......E4 C136.......F4 C137.......E4 C138 ......D4 C139 ......D4 C140.......E4 C141.......E4 C144 ......D3 C145.......F4 C201.......F4 C202 ......G4 C203.......F3 C205 ......G4 C206 ......G2 C207 ......G2 C503 ......C2 C504 ......C2 C505.......E3 C506.......E3 C507.......E3 C508.......E3 C509.......E3 C510.......E3 C512.......E2 C513.......F3 C514.......F3 C515.......F3 C518.......F3 C519.......F3 C520.......F3 C521.......B1 C522.......B1 C523.......B1 C525 ......D3 C528 ......D2 C600 ......D2 C601.......F2 C602.......E2 C603.......E2 C604.......F1 C605 ......G1 C606 ......D2 C607.......E1 C608 ......D2 C609 ......G1 C610.......E2 C615.......E2 C616.......E2 C617 ......D2 C618.......F2 C619 ......D2 C620.......E2 C621 ......G2 C628.......F2 C629.......E2 C630 ......G2 C631.......F1 C632.......E2 C635 ......G1 C636.......F1 C637.......F2 C638 ......D2 C639 ......C1 C640 ......D2 C670.......E2 C671.......E2 D001.......B2 D002.......B2 D003 ......C4 D004 ......C4 D005 ......C4 D006 ......C4 D007 ......D4 D008 ......D4 D600.......F2 D601 ......G2 D602.......F2 D603 ......D2 D605 ......D2 D606.......E2 E005.......D1 E006.......D1 E007 .......F1 E008 .......F1 F001 .......B5 F101 .......F5 G001 ......D1 G002 ......D1 G003 ......D2 G004 ......D2 G005.......F2 G006.......F2 G007.......F1 G008.......F1 G009 ......G1 G010 ......G1 G011 ......C1 G012 ......C1 G013 ......D2 IC001......B5 IC002......A2 IC003......A3 IC004......B4 IC005......B2 IC006......A1 IC007 .....C5 IC101......F4 IC102 .....D3 IC201......F3 IC202 .....G3 IC501......E3 IC502......B2 J2 ...........A2 J3 ...........A3 J4 ...........A3 J5 ...........A2 J6 ...........B2 J7 ...........B2 J8 ...........B2 J11 .........A4 J12 .........B4 J13 .........A2 J14 .........A1 J16 .........B1 J17 .........B4 J18 .........B4 J20 .........B4 J21 .........C4 J22 .........C4 J23 .........C4 J24 .........C3 J25 .........A2 J26 .........C3 J28 .........C5 J29 .........C5 J30 .........B5 J31 .........B5 J32 .........B5 J33 .........B5 J34 .........C4 J35 .........C5 J36 .........D3 J37 .........B5 J38 .........B2 J39 .........C2 J40 .........B2 J41 .........B1 J42 .........B4 J43 .........B4 J44 .........B4 J45 .........C4 J46 .........C5 J47 .........C5 J48 .........C5 J49 .........C4 J50 .........C4 J52 .........B4 J53 .........B4 J54 .........C5 J56 .........D3 J59 .........C3 J60 .........D3 J61 .........B3 J62 .........C3 J63 .........C4 J64 .........B2 J65 .........C3 J66 .........B2 J67 .........D5 J68 .........C5 J69 .........E4 J70 .........C5 J71 .........B2 J72 .........C3 J73 .........C3 J74 .........C3 J75 .........C3 J76 .........C3 J77 .........D3 J78 .........D4 J79 .........C3 J80 .........D4 J81 .........C4 J82 .........C4 J83 .........C4 J84 .........B5 J85 .........E4 J87 .........D2 J88 .........D2 J89..........F2 J90 .........C3 J91..........F3 J92 .........D3 J93 .........D3 J94 .........B5 J95 .........E3 J96 .........D3 J97 .........D4 J98 .........B3 J99 .........B3 J100 .......B4 J101 .......D3 J102........F5 J103 .......B5 J104 .......D4 J105 .......B3 J106 .......C5 J107 .......D4 J109 .......D4 J110 .......D4 J111 .......G3 J112 .......G3 J113 .......G3 J114 .......G2 J115 .......G2 J118 .......E3 J119 .......E3 J120 .......G4 J124 .......E2 J128........F3 J130 .......G4 J131........F3 J133 .......D1 J138 .......G2 J139 .......E5 J141 .......E1 J142 .......G4 J143 .......D1 J144 .......G3 J145 .......E1 J146........F4 J147 .......G3 J148 .......G4 J149........F2 J150 .......G4 J151 .......G3 J153 .......E4 J157 .......G2 J160 .......C3 J161........F1 J164 .......G1 J165........F1 J167 .......A4 J168 .......E3 J169 .......E1 J170 .......E1 J171 .......E1 J172 .......G2 J173 .......C1 J174 .......D1 J176 .......G2 J177 .......G2 J178 .......E3 J179 .......E2 J180 .......E2 J181 .......A5 J183 .......D3 J184 .......D2 J186........F2 J193 .......E2 J196 .......D1 J200 .......D5 J201 .......E5 J202........F4 J203........F4 J205 .......E3 J206........F5 J207 .......D5 J208 .......D5 J209 .......E5 J210........F5 J211........F5 J212........F5 J213........F5 J214 .......G5 J215 .......G5 J216 .......G4 J217 .......G4 J218 .......G4 J219 .......G4 J220 .......G4 J221 .......G4 J222 .......G4 J223 .......G4 J227 .......G5 J228 .......G5 J229 .......G5 J501 .......B1 L001 .......A4 L002 .......A4 L003 .......B3 L004 .......D4 L102 .......D5 L103 .......D4 L104 .......F5 L105 .......E4 L501 .......B2 L502.......G4 L503 .......D2 L504.......G4 L508 .......F3 L509 .......F3 L510 .......F3 L512.......G4 P602.......D2 P603 ......G1 P604 .......F1 P002A ....B5 P003A ....A5 P004EP ..B5 P005A ....B5 P006IP ...A5 P119A ....G5 P201B ....G4 P202B ....G2 P211A.....F2 P212A ....E2 P213A ....D2 P214A ....C2 P401B ....A1 P402B ....B1 P403B ....C1 P404B ....C1 P405B ....C1 Q001 ......A2 Q002 ......B2 Q003 ......C4 Q004 ......C4 Q005 ......C4 Q006 ......D3 Q007 ......B4 Q101 ......E5 Q102 ......D5 Q103 ......E5 Q104 ......E5 Q105 ......E5 Q106.......F5 Q107 ......G5 Q108 ......G5 Q109 ......E4 Q110 ......D4 Q502 ......D3 Q503 ......E3 Q600.......F2 Q601 ......D2 Q602 ......D2 Q603 ......E2 Q604 ......E2 R002.......A5 R003.......A5 R005.......B5 R007.......B5 R008.......B4 R009.......B4 R010.......A2 R011.......A2 R012.......A2 R013.......A2 R014.......B2 R015 ......C3 R016 ......D3 R017 ......C3 R018 ......C3 R019 ......C3 R020 ......C3 R021 ......C4 R023 ......D4 R024 ......C4 R025 ......C3 R026 ......D3 R027 ......C4 R028 ......C4 R029 ......D4 R030.......B4 R031.......B1 R032 ......D5 R033 ......D5 R034 ......D5 R035 ......D5 R036 ......D5 R037 ......D5 R038 ......D5 R039 ......D5 R040 ......D5 R041.......B4 R042 ......D5 R043 ......D3 R044 ......D3 R045 ......D3 R046 ......D3 R048 ......C5 R050 ......C5 R051.......B3 R052.......B4 R097.......A2 R101.......E5 R102.......E5 R103.......E5 R104 ......D5 R105 ......D5 R106 ......D5 R107 ......D5 R108 ......G5 R109 ......G5 R110 ......G5 R111 ......G5 R112 ......G5 R113 ......G5 R114.......F5 R116.......F5 R117.......F5 R118.......F5 R119.......F5 R120.......E5 R121.......E5 R122.......E5 R123.......E5 R124.......E5 R126.......E5 R127.......E5 R128.......E5 R129.......E5 R130 ......D4 R131 ......D4 R132.......E4 R133.......E4 R135 ......G5 R136.......E4 R137.......E4 R138 ......D4 R139.......E4 R140 ......D5 R141.......E5 R201 ......G2 R503 ......D4 R504 ......D4 R505 ......D3 R506.......E3 R507.......F3 R508.......E3 R509 ......D3 R510 ......G4 R511 ......G4 R512 ......G4 R516.......F3 R517.......F3 R518.......F3 R519 ......C1 R520 ......D4 R521.......F4 R600.......E2 R601.......E2 R602 ......D2 R603.......F2 R604 ......D2 R605.......E2 R606.......E2 R607.......F2 R608 ......D2 R609.......E2 R610.......E2 R611.......F2 R612 ......G1 R613.......F2 R614.......E1 R615.......E1 R616.......F1 R617.......E1 R618 ......D2 R619 ......D2 R620.......F1 R621 ......D2 R622.......F1 R623.......F2 R624 ......D2 R625 ......C1 R626.......E2 R636 ......D3 R638.......E2 R639.......E1 R641.......F1 R643.......F2 R650.......F2 R651.......E2 R652.......E2 R661 ......D2 R662.......F1 R663.......F1 R664 ......G1 R665 ......D2 R666.......E2 R667 ......D1 R668 ......D2 R669 ......D2 R670.......E2 R671 ......D2 TU01 ......G5 TU02.......F4 Z103 .......E5 Z106.......G5 Z114 .......E5 Z117 .......F5 Z129 .......E4 Z142.......D4 ZD004 ....A2 ZD101 ....E5 ZD102 ....D4 ZD501 ....C2 ZD601 ....D2 ZD602 ....E2

- 31 -

MAIN2 (DEF)

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COMPONENT LOCATION GUIDE(DEF)
C301.......E2 C302.......E2 C303.......F2 C304.......E2 C305.......E1 C306.......E1 C307.......F2 C315 ......D2 C344 ......D1 C401.......A2 C402.......A2 C403 ......D3 C404 ......C1 C405.......E4 C406.......B2 C407.......A1 C408.......B2 C409.......B2 C410.......A3 C411.......A3 C412.......B3 C413 ......G2 C414 ......G1 C415 ......C2 C416.......E5 C417.......E3 C418.......F3 C419 ......D5 C421.......E5 C422 ......C4 C423.......F2 C424 ......D1 C425 ......D1 C426.......E2 C427.......E2 C428 ......D5 C429.......B3 C430 ......D3 C432 ......G2 C434 ......D2 C436.......B1 C437.......E2 C440.......B2 C441.......E4 C443.......F4 C444.......E4 C446 ......D2 C447.......E4 C448 ......D4 C449.......E4 C450.......E4 C451.......E5 C452.......E4 C454 ......D2 C457.......F3 C460.......E4 C461 ......C5 C462.......B3 C463 ......C5 C464 ......C5 C466 ......D3 C467 ......D3 C468.......A5 C469.......E3 C470 ......D4 C471 ......D3 C474.......B3 C475.......B2 C476.......A3 C478 ......G4 C479.......F5 C480.......F4 C481.......B3 C482.......B2 C483.......B3 C484.......B2 C485.......E3 C486.......F3 C487.......E3 C488.......B3 C490.......E3 C491.......E3 C492.......E4 D302.......E2 D401.......E4 D402.......F3 D403.......F4 D404.......F3 D405.......F3 D406.......E3 D408.......E5 D409.......E3 D410 ......D3 D414 ......C4 D415 ......C4 D416 ......C3 D417 ......C3 D418 ......D4 D419 ......D3 D420 ......D3 D424.......B2 D426 ......C5 D428.......A1 D430.......E4 D432.......B3 D433.......E4 D434.......E4 D435.......E4 D437.......F4 DF ..........A3 DFGND ..A3 DFGND2 A4 E401.......C1 E402.......C1 E403.......B1 E404.......B1 E405.......B1 E407.......B1 E408.......A1 E409.......A1 E410.......A1 E411.......A1 E412.......A2 E413.......A2 E414.......C4 E415.......C4 E416.......C5 E417.......C5 E418.......D2 E419.......D1 E420 .......F2 E421 .......F1 E422.......D4 E423.......D3 E424.......E4 E425.......E3 E426.......B4 E427.......B4 E428.......B4 E429.......B4 E430.......B4 E431.......D5 E432.......D5 E433.......C5 E434.......C5 E435.......D5 E436.......D5 E437 .......F5 E438 .......F5 E439 .......F5 E440 .......F5 FB301 ....D2 FB302 ....D2 FB401.....A1 FB402.....B1 FB403 ....G3 FB404 ....D3 G301 ......E2 G302 ......E2 G402 ......C3 G403 ......C3 G404 ......C2 G405 ......C2 G406 ......B2 G407 ......B2 G408 ......C4 G409 ......C4 G410 ......C4 G411 ......C5 G413 ......C5 G414 ......A5 G415 ......A5 G418 ......A3 G419 ......A3 G420 ......A2 G421 ......A2 G422 ......A2 G423 ......A2 G424 ......A2 G425 ......A2 G426 ......B2 G427 ......B2 G428 ......A1 G429 ......A1 G430 ......D1 G431 ......D1 G432 ......D1 G433 ......D1 G434 ......B2 G435 ......B2 G436 ......B2 G437 ......B2 G438 ......C2 G439 ......C1 G440 ......B1 G441 ......D2 G442 ......D2 G443 ......C1 G445 ......B1 G446 ......C1 G447 ......D5 G448 ......D5 G449 ......D4 G450 ......D4 G451 ......D4 G452 ......D4 G453 ......C5 G454 ......C5 G455 ......A3 G456 ......A3 G457 ......B3 G458 ......B3 G459 ......G3 G460 ......G3 G461 ......B3 G462 ......B2 G463 ......C4 G464 ......C4 G465 ......B2 G466 ......B1 G468 ......B3 IC301......E2 IC401......E2 IC402......E4 IC403......F3 IC405......E5 IC406......B3 IC408......E4 IC409 .....G2 IC410 .....G2 J400........F5 J401 .......G3 J402 .......G3 J403 .......G3 J404........F3 J405........F3 J406........F3 J408........F3 J409........F3 J410........F3 J412........F3 J414 .......G1 J415 .......E5 J417........F4 J419........F3 J420........F3 J422........F4 J423 .......E4 J424........F3 J426 .......E4 J427 .......E5 J429 .......E5 J430 .......E2 J431........F2 J432........F3 J433 .......C2 J434 .......C2 J435 .......D3 J436 .......D3 J437 .......D3 J438 .......E2 J440 .......D3 J442 .......D1 J443 .......E3 J444 .......E3 J445 .......D1 J446 .......D1 J448 .......E1 J449 .......E1 J450........F3 J451........F1 J452........F1 J453 .......B3 J454 .......C4 J455 .......B4 J456 .......E4 J457 .......B4 J458 .......D2 J460 .......G4 J461 .......G5 J462........F5 J470 .......E3 L401 .......B2 L402 .......B2 L403 .......D3 L404 .......A5 L405 .......B3 L406.......G3 P405.......E3 P410.......C3 P411.......E3 P412.......A5 P413.......A5 P414.......A5 P416.......A5 P401A ....G1 P402A ....G1 P403A.....F1 P404A ....E1 P407A ....C2 P407B ....C2 P407C ....C2 P407D ....C2 P408A ....C2 P408B ....C2 P408C ....C2 P408D ....C2 P409A ....C2 P409B ....C2 P409C ....C2 P409D ....C2 P410A.....F4 P411A.....F5 P805B ....E5 P810B.....F5 P811B ....G5 Q301.......F2 Q304 ......A2 Q402 ......D1 Q403 ......B1 Q405 ......A3 Q406 ......A2 Q407 ......E4 Q408.......F4 Q409 ......D4 Q410 ......D4 Q413 ......E4 Q416 ......C4 Q417 ......D2 Q419 ......E5 Q420 ......D5 Q421.......F4 Q422.......F4 Q423.......F4 Q424 ......B2 Q426 ......E3 Q427 ......E3 Q428 ......E4 Q429 ......E3 Q432 ......D2 Q433 ......D4 R301.......F2 R302 ......D1 R303.......F2 R304.......F1 R305.......E2 R306 ......D1 R308.......E2 R309.......E1 R310.......E1 R340 ......C2 R341 ......C2 R342 ......C2 R344.......F2 R401 ......D2 R402 ......D1 R403 ......D1 R404 ......D2 R405.......A3 R406.......B2 R407.......B3 R408.......B2 R409.......B3 R410.......A5 R411.......B3 R412.......A3 R413.......B3 R414.......E5 R416.......A3 R417.......A3 R419.......A3 R420.......E4 R421.......F5 R422 ......D3 R423.......F4 R424.......F5 R425.......F5 R426.......E5 R427.......E5 R428.......E5 R429.......E3 R430.......B5 R432.......B3 R433.......A1 R437.......F4 R438.......E4 R439.......F4 R440.......E4 R442.......E4 R443 ......D4 R444 ......D1 R446.......B3 R447.......B5 R448.......B3 R449.......E4 R450.......E4 R451.......E4 R452.......F4 R454 ......C2 R457.......F4 R458.......F4 R459.......F4 R460 ......D3 R461 ......D5 R462.......E3 R463.......F4 R464.......F4 R465.......E3 R466.......F4 R467 ......D1 R469 ......D1 R470.......B5 R472 ......G4 R475 ......C2 R476 ......D4 R478 ......D4 R479 ......D4 R480 ......D4 R481 ......C3 R482 ......C3 R483 ......C3 R484 ......C3 R485 ......D4 R486.......A5 R487 ......C1 R488 ......C1 R489 ......D4 R490 ......D3 R491 ......D4 R492.......F4 R493 ......C3 R494.......B4 R495.......E3 R496.......E2 R497.......E2 R498 ......C5 R499.......E2 R741 ......G5 R742 ......G5 R1400.....E2 R1401.....E2 R1402.....E3 R1403.....B2 R1404.....A2 R1405.....A2 R1406.....E2 R1407.....B2 R1408.....E3 R1409.....E2 R1410.....E2 R1416.....E5 R1417.....E5 R1418.....E5 R1419.....E5 R1420 ....D5 R1421.....F4 R1422.....F4 R1423.....F4 R1424.....F4 R1425.....F4 R1428.....E5 R1435.....B2 R1436.....A2 R1440 ....D3 R1441 ....C3 R1447.....F4 R1450.....B3 R1451.....B3 R1452.....B3 R1453.....B3 R1454.....B3 R1455.....B2 R1456.....B3 R1457.....B2 R1459 ....C3 R1460.....B2 R1461 ....D2 R410S ....E3 R411S ....F3 R412S ....E3 R413S ....E3 R415S ....E3 R416S ....E4 R417S ....E3 R418S ....E3 R419S ....E3 R420S ....E3 SG302 ....A3 SG303 ....A4 SG304 ....A3 T401.......D1 T402.......D4 T403 .......B4 T405.......C3 T406 .......A3 TH401 ....B2 VR401 ....E3 ZD300 ....E1 ZD301.....F2 ZD302 ....E2 ZD303.....F2 ZD401 ....E4 ZD402 ....E3 ZD403 ....D1 ZD404 ....E4 ZD405 ....E4 ZD406 ....E4 ZD407 ....E4 ZD410 ....B2 ZD411 ....D1 ZD412 ....E4 ZD413 ....E4 ZD415.....F3

- 33 -

SMPS (NARROW)

SMPS (WIDE)

- 34 -

CPT

CONV-OUT

- 35 -

POWER S/W

CONTROL