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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
MODEL NAME REMOTE COMMANDER DESTINATION
BX-1L
CHASSIS NO.
CHASSIS
KV-29FA350 KV-29FA350 KV-29FA750 KV-29FA750
RM-YA005 RM-YA005 RM-YA005 RM-YA005
LATIN NORTH LATIN SOUTH LATIN NORTH LATIN SOUTH
SCC-S79P-A SCC-S79Q-A SCC-S79R-A SCC-S79S-A
ORIGINAL MANUAL ISSUE DATE: 2/2007
REVISION DATE 2/2007
SUBJECT No revisions or updates are applicable at this time.
TRINITRON® COLOR TELEVISION
9-883-734-01
Self Diagnosis
Supported model
SERVICE MANUAL
MODEL NAME REMOTE COMMANDER DESTINATION
BX-1L
CHASSIS NO.
CHASSIS
KV-29FA350 KV-29FA350 KV-29FA750 KV-29FA750
RM-YA005 RM-YA005 RM-YA005 RM-YA005
LATIN NORTH LATIN SOUTH LATIN NORTH LATIN SOUTH
SCC-S79P-A SCC-S79Q-A SCC-S79R-A SCC-S79S-A
MUTING DISPLAY POWER
MTS/SAP
PICTURE MODE
TV/VIDEO
1 4 7
JUMP
SOUND MODE
2 5 8 0
VOL
3 6 9
ENT
CH
+
RETURN
WEGA GATE
RESET SLEEP CC 16:9
TV
RM-YA005
KV-29FA750
RM-YA005
TRINITRON® COLOR TELEVISION
9-883-734-01
KV-29FA350/29FA750
TABLE OF CONTENTS
SECTION TITLE PAGE
Specifications ....................................................................................................................................................................................................... 4 Warnings and Cautions ........................................................................................................................................................................................ 5 Safety Check-Out ................................................................................................................................................................................................. 6 Self-Diagnostic Function ...................................................................................................................................................................................... 7 SECTION 1: DISASSEMBLY ........................................................................................................................................................................................... 10 1-1. Rear Cover Removal .................................................................................................................................................................................. 10 1-2. Chassis Assembly Removal ....................................................................................................................................................................... 10 1-3. Service Position...........................................................................................................................................................................................11 1-4. Picture Tube Removal ................................................................................................................................................................................ 12 Anode Cap Removal Procedure................................................................................................................................................................. 12 SECTION 2: SET-UP ADJUSTMENTS............................................................................................................................................................................ 13 2-1. Beam Landing ............................................................................................................................................................................................ 13 2-2. Convergence .............................................................................................................................................................................................. 14 2-3. Focus Adjustment ....................................................................................................................................................................................... 15 2-4. Screen (G2) ................................................................................................................................................................................................ 16 SECTION 3: CIRCUIT ADJUSTMENTS .......................................................................................................................................................................... 17 3-1. Remote Adjustment Buttons and Indicators ............................................................................................................................................... 17 3-2. Accessing the Service Menu ...................................................................................................................................................................... 18 3-3. Confirming Service Adjustment Changes ................................................................................................................................................... 18 3-4. White Balance Adjustments........................................................................................................................................................................ 18 3-5. Picture Quality Adjustments ....................................................................................................................................................................... 18 3-6. Service Data ............................................................................................................................................................................................... 21 SECTION 4: DIAGRAMS ................................................................................................................................................................................................. 32 4-1. Circuit Boards Location .............................................................................................................................................................................. 32 4-2. Printed Wiring Board and Schematic Diagram Information ........................................................................................................................ 32 4-3. Block Diagram ............................................................................................................................................................................................ 33 4-4. Schematics and Supporting Information .................................................................................................................................................... 34 A Board Schematic Diagram (1 of 6) ......................................................................................................................................................... 34 A Board Schematic Diagram (2 of 6) ......................................................................................................................................................... 35 A Board Schematic Diagram (3 of 6) ......................................................................................................................................................... 36 A Board Schematic Diagram (4 of 6) ......................................................................................................................................................... 37 A Board Schematic Diagram (5 of 6) ......................................................................................................................................................... 38 A Board Schematic Diagram (6 of 6) ......................................................................................................................................................... 39 CV Board Schematic Diagram ................................................................................................................................................................... 41 H2 Board Schematic Diagram ................................................................................................................................................................... 42 J4 Board Schematic Diagram .................................................................................................................................................................... 43 K2 Board Schematic Diagram (1 of 2) ....................................................................................................................................................... 45 K2 Board Schematic Diagram (2 of 2) ....................................................................................................................................................... 46 4-5. Semiconductors.......................................................................................................................................................................................... 49 SECTION 5: EXPLODED VIEWS .................................................................................................................................................................................... 50 5-1. Chassis....................................................................................................................................................................................................... 50 5-2. Picture Tube ............................................................................................................................................................................................... 51 SECTION 6: ELECTRICAL PARTS LIST ........................................................................................................................................................................ 52
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SPECIFICATIONS
.9)$ 3RZHU 5HTXLUHPHQWV 1XPEHU RI ,QSXWV2XWSXWV 9LGHR 6 9LGHR <3% 35 $XGLR 9+)8+) +HDGSKRQH 0RQLWRU 2XW 6SHDNHU 2XWSXW : :RRIHU 5 / 6DWHOOLWH 6SHDNHUV 3RZHU &RQVXPSWLRQ : ,Q 8VH 0D[ ,Q 8VH 0D[ ,Q 6WDQGE\ 0D[ 'LPHQVLRQV : [ + [ ' PP LQ 0DVV NJ OEV 6DWHOOLWH 6SHDNHUV 'LPHQVLRQV : [ + [ ' PP LQ 6DWHOOLWH 6SHDNHUV 0DVV NJ OEV Television system
American TV standard, NTSC
.9)$ 9 +] 9 +] &KLOH 3HU~ %ROLYLD : [ : : [ : : &KLOH 3HU~ %ROLYLD : [ [ PP [ [ LQ NJ OEV
9 +] 9 +] &KLOH 3HU~ %ROLYLD : [ : : : &KLOH 3HU~ %ROLYLD : [ [ PP [ [ LQ NJ OEV
1$ 1$
[ [ PP [ [ LQ
1$ 1$
NJ OEV
1) 1 Vp-p 75 ohms unbalanced, sync negative 2) Y: 1Vp-p 75 ohms unbalanced, sync negative C: 0.286 Vp-p (Burst signal), 75 ohms 3) Y: 1.0 Vp-p, 75 ohms, sync negative; PB: 0.7 Vp-p, 75 ohms;
Channel coverage
VHF: 2-13/UHF: 14-69/CATV: 1-125
PR Vp-p, 75 ohms. 4) 500 mVrms (100% modulation), Impedance: 47 kilohms 5) This specification is the maximum wattage.
Antenna
75-ohm external antenna terminal for VHF/UHF
Trademarks and Copyrights
As an ENERGY STAR® Partner, Sony Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency. ENERGY STAR® is a U.S. registered mark.
Picture tube
FD Trinitron tube
®
Visible screen size
685.8mm (27-inch) picture measured diagonally
Actual screen size
736.6mm (29-inch) measured diagonally
TruSurround, SRS and the ( SRS Labs, Inc.
)® symbol are trademarks of
Supplied Accessories
Remote Commander RM-YA005 Two Size AA (R6) Batteries
Manufactured under license from BBE Sound, Inc. Licensed by BBE Sound, Inc. under USP 4638258, 5510752 and 5736897. BBE and BBE symbol are registered trademarks of BBE Sound, Inc. Sony, FD Trinitron, WEGA® , Steady Sound and Intelligent Picture are registered trademarks of Sony Corporation.
Design and specifications are subject to change without notice.
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WARNINGS AND CAUTIONS
CAUTION
Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield, or carbon painted on the CRT, after removing the anode.
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis. The chassis of this receiver is directly connected to the AC power line.
! SAFETY-RELATED COMPONENT WARNING!!
Components identified by shading and ! mark on the schematic diagrams, exploded views, and in the parts list are critical for safe operation. Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that are critical for safe operation are identified in this manual. Follow these procedures whenever critical components are replaced or improper operation is suspected.
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SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety checks before releasing the set to the customer: 1. Check the area of your repair for unsoldered or poorly soldered connections. Check the entire board surface for solder splashes and bridges. 2. Check the interboard wiring to ensure that no wires are "pinched" or touching high-wattage resistors. 3. Check that all control knobs, shields, covers, ground straps, and mounting hardware have been replaced. Be absolutely certain that you have replaced all the insulators. 4. Look for unauthorized replacement parts, particularly transistors, that were installed during a previous repair. Point them out to the customer and recommend their replacement. 5. Look for parts which, though functioning, show obvious signs of deterioration. Point them out to the customer and recommend their replacement. 6. Check the line cords for cracks and abrasion. Recommend the replacement of any such line cord to the customer. Check the B+ and HV to see if they are specified values. Make sure your instruments are accurate; be suspicious of your HV meter if sets always have low HV. The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes). Leakage current can be measured by any one of three methods. 1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers' instructions to use these instructions. 2. A battery-operated AC milliampmeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The "limit" indication is 0.75 V, so analog meters must have an accurate low voltage scale. The Simpson's 250 and Sanwa SH-63TRD are examples of passive VOMs that are suitable. Nearly all battery-operated digital multimeters that have a 2 VAC range are suitable (see Figure A).
How to Find a Good Earth Ground A cold-water pipe is a guaranteed earth ground; the cover-plate retaining screw on most AC outlet boxes is also at earth ground. If the retaining screw is to be used as your earth ground, verify that it is at ground by measuring the resistance between it and a cold-water pipe with an ohmmeter. The reading should be zero ohms. If a cold-water pipe is not accessible, connect a 60- to 100-watt troublelight (not a neon lamp) between the hot side of the receptacle and the retaining screw. Try both slots, if necessary, to locate the hot side on the line; the lamp should light at normal brilliance if the screw is at ground potential (see Figure B).
7.
8.
Check the antenna terminals, metal trim, "metallized" knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. Leakage Test
To Exposed Metal Parts on Set
Trouble Light AC Outlet Box Ohmmeter Cold-water Pipe
0.15 F
1.5 K
AC Voltmeter (0.75 V)
Earth Ground
Figure A. Using an AC voltmeter to check AC leakage.
Figure B. Checking for earth ground.
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KV-29FA350/29FA750
SELF-DIAGNOSTIC FUNCTION
Self Diagnosis
Supported model
The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED indicator will automatically begin to flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user's knowledge and reference. If an error symptom cannot be reproduced, the Remote Commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur. 1. Diagnostic Test Indicators When an error occurs, the STANDBY LED indicator will flash a set number of times to indicate the possible cause of the problem. If there is more than one error, the indicator will identify the first of the problem areas. Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a "0". Diagnosis Item Description · No Power No. of times STANDBY Indicator flashes Does not light Diagnostic Result on screen display -- Probable Cause Location · Power cord is not plugged in. · Fuse is burned out (F4101) (H2 Board) · H.OUT (Q511) is shorted. (A board) · IC751 is shorted. (CV Board) Detected Symptoms · Power does not turn on. · No power is supplied to the TV. · AC power supply is faulty. · Power does not turn on. · Load on power line is shorted.
· +B overcurrent (OCP)
2 times
2 OCP:0 2 OCP:1 ~ 255
· Vertical NG.
4 times
4 VSTOP:0 4 VSTOP:1 ~ 255
· +13V is not supplied. (A Board) · IC503 voltage list is faulty. (A Board)
· Has entered standby state after horizontal raster. · Vertical deflection pulse is stopped. · Power line is shorted or power supply is stopped. · No raster is generated. · CRT cathode current detection reference pulse output is small.
· IK (AKB)
5 times
5 AKB:0 5 AKB:1 ~ 255
· Video OUT (IC751) is faulty. (CV Board) · IC001 is faulty. (A Board) · Screen (G2) is improperly adjusted. · IC604 faulty. · IC607 faulty.
· Supply Voltage Protection
8 times
8 SUP:0 8 SUP:1 ~ 255
· No power supply to CRT ANODE. · No RASTER is generated.
*One flash count is not used for self-diagnostic. *If a +B overcurrent is detected, stoppage of the vertical deflection is detected simultaneously. The symptom that is diagnosed first by the mircrocontroller is displayed on the screen. **Refer to Screen (G2) Adjustments in Section 2-4. of this manual. 2. Display of STANDBY LED Flash Count 2 times 4 times 5 times
Standby indicator
LED ON 0.3 sec. LED OFF 0.3 sec. LED OFF 3 sec.
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3. Stopping the STANDBY LED Indicator Flash Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY LED Indicator from flashing. 4. Self-Diagnostic Screen Display For errors with symptoms such as "power sometimes shuts off" or "screen sometimes goes out" that cannot be confirmed, it is possible to bring up past occurrences of failure on the screen for confirmation. To Bring Up Screen Test In standby mode, press buttons on the Remote Commander sequentially, in rapid succession, as shown below:
DISPLAY
Channel 5
Sound Volume -
POWER
Note that this differs from entering the Service Mode (Sound Volume + ).
The following screen will be displayed indicating the error count: SELF DIAGNOSTIC 2 OCP : 3 OVP : 4 VSTOP : 5 AKB : 8 SUP : 101 WDT : SERIAL: FFFFFFF MODEL: FFFFFFFF 0 N/A 0 1 0 N/A
Number "0" means that no fault was detected. Number "1" means a fault was detected one time only.
Handling of Self-Diagnostic Screen Display Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen during repairs. When you have completed the repairs, clear the result display to "0". Unless the result display is cleared to "0", the self-diagnostic function will not be able to detect subsequent faults after completion of the repairs. Clearing the Result Display To clear the result display to "0", press buttons on the Remote Commander sequentially when the diagnostic screen is displayed, as shown below: Channel 8 0
Quitting the Self-Diagnostic Screen To quit the entire self-diagnostic screen, turn off the power switch on the Remote Commander or the main unit.
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Self-Diagnostic Circuit
A BOARD IC001 Y/CHROMA JUNGLE FROM CV BOARD IC751 PIN 5 A BOARD FROM Q816 COLLECTOR
A BOARD IC804 V.OUT
A BOARD IC001 SYSTEM SDA1
A BOARD IC003 MEMORY
84 IK
F.B-PLS
3
13 V.GUARD
99
5 SDA
RED LED 122 32 EHTO DISPLAY
+B overcurrent (OCP) Occurs when an overcurrent on the +B (135V) line is detected by pin 32 of IC001 (A Board). If the voltage of pin 32 of IC001 (A Board) is more than 4V when V.SYNC is more than seven verticals in a period, the unit will automatically turn off. V-Protect Occurs when an absence of the vertical deflection pulse is detected by pin 13 of IC001 (A Board). Power supply will shut down when waveform interval exceeds 2 seconds. IK (AKB) If the RGB levels* do not balance within 15 seconds after the power is turned on, this error will be detected by IC001 (A Board). TV will stay on, but there will be no picture. Power Supply NG (+5V) for Video Processor Occurs when IC001 internal HV protect detects an abnormal H-Pulse (frequency) due to improper power supply to IC001. The TV cuts off high voltage power of anode CRT. No picture will be detected. eg: faulty IC602 or IC604
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SECTION 1: DISASSEMBLY 1-1. REAR COVER REMOVAL
1 Lift to remove Subwoofer from top of Rear Cover. 2 Remove screws from top of Rear Cover. 4 Screws +BVTP2 4x16 3 Remove screws from both sides of Rear Cover. 6 Screws +BVTP2 4x16 4 Remove screw from bottom of Rear Cover. 1 Screw +BVTP2 4x16 5 Remove screws from Speaker Switch and Rear Cover. 2 Screws +BVTP 3x12 TYPE2 TT(B) Slide to remove Rear Cover from Beznet.
2 1 3
5
4
1-2. CHASSIS ASSEMBLY REMOVAL
1 Remove J4 Board and Bracket. One Screw +BVTP 3x12 TYPE2 IT-3 2 Push down claw and slide out A, H2 and K2 Board.
2 1
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1-3. SERVICE POSITION
1 Release AC Power cord. 2 Rotate A, H2 and K2 Boards.
2
1
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1-4. PICTURE TUBE REMOVAL
WARNING: BEFORE REMOVING THE ANODE CAP High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to remove the anode cap. Short between anode and CRT coated earth ground strap.
9 5 2
1
7 1. 8 Discharge the anode of the CRT and remove the anode cap. 2. Unplug all interconnecting leads from the deflection yoke, neck assembly, degaussing coils and CRT grounding strap. 3. Remove the CV Board from the CRT. 4. Remove the chassis assembly. 5. Loosen the neck assembly fixing screw and remove. 6. Loosen the deflection yoke fixing screw and remove. 7. Place the set with the CRT face down on a cushion and remove the degaussing coil holders. 8. Remove the degaussing coils. 9. Remove the CRT grounding strap and spring tension devices. 10. Unscrew the four CRT fixing screws [located on each CRT corner] and remove the CRT [Take care not to handle the CRT by the neck].
3
10 4 6
ANODE CAP REMOVAL PROCEDURE
WARNING: High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to remove the anode cap. Short between anode and coated earth ground strap of CRT. NOTE: After removing the anode cap, short circuit the anode of the picture tube and the anode cap to either the metal chassis, CRT shield, or carbon painted on the CRT.
REMOVAL PROCEDURES
c b a
Anode Button Turn up one side of the rubber cap in the direction indicated by arrow a . Use your thumb to pull the rubber cap firmly in the direction indicated by arrow b . When one side of the rubber cap separates from the anode button, the anode cap can be removed by turning the rubber cap and pulling it in the direction of arrow c .
HOW TO HANDLE AN ANODE CAP
1. 2. 3. Do not use sharp objects which may cause damage to the surface of the anode cap. To avoid damaging the anode cap, do not squeeze the rubber covering too hard. A material fitting called a shatter-hook terminal is built into the rubber. Do not force turn the foot of the rubber cover. This may cause the shatterhook terminal to protrude and damage the rubber.
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SECTION 2: SET-UP ADJUSTMENTS
The following adjustments should be made when a complete realignment is required or a new picture tube is installed. These adjustments should be performed with rated power supply voltage unless otherwise noted. Set the controls as follows unless otherwise noted: Picture control NORMAL Brightness control NORMAL Perform the adjustments in order as follows: 1. Beam Landing 2. Convergence 3. Focus 4. Screen (G2) 5. White Balance Note Test Equipment Required: 5. Oscilloscope 1. Color Bar Pattern Generator 6. Landing Checker 2. Degausser 7. XCV Adjuster 3. DC Power Supply 4. Digital Multimeter 6. Move the deflection yoke forward, and adjust so that the entire screen becomes green.
2-1. BEAM LANDING
Before beginning adjustment procedure: 1. Feed in the white pattern signal. 2. In order to reduce the geomagnetism on the set's picture tube, face it east or west.
Adjustment Procedure
1. 2. Input a raster signal with the pattern generator. Loosen the deflection yoke (DY) mounting screw, and set the purity control to the center as shown below: Purity control 7. 8. 9. Switch over the raster signal to red, then blue and confirm the condition. When the position of the deflection yoke is determined, tighten it with the deflection yoke mounting screw. If landing at the corner is not right, adjust by using the disk magnets.
Purity control corrects this area. Disc magnets or rotatable disc magnets correct these areas (a-d).
3.
Position the VM coil as shown below:
VM coil
b c
a d
Align the edge of the VM coil with the edge of the G3 grid.
Deflection yoke positioning corrects these areas.
b c
G1 G2 G3 G4
4. 5.
Set the raster signal of the pattern generator to green. Move the deflection yoke backward, and adjust with the purity control so that green is in the center and red and blue are even on both sides.
a
d
Blue Red Green
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2-2. CONVERGENCE
Before starting convergence adjustments: 1 Perform FOCUS adjustments. 2. Set Picture mode to "CUSTOM". 3. Feed in dot pattern.
Horizontal Static Convergence
If the blue dot does not converge with the red and green dots, use the 6 pole magnet to adjust as shown:
R G B R G B R G B
Vertical Static Convergence
1. Adjust the 4 pole magnet to converge red, green and blue dots in the center of the screen.
Center dot
R
R G B R G B
B G R G B R G B
4 pole magnet
6 Pole Magnet 6 Pole Magnet
RV750 H. STAT
Purity
RV1800 G2 (SCREEN)
2.
Tilt the 4 pole magnet and adjust static convergence to open or close the 4 pole magnet.
DY pocket
4 pole Magnet
4 Pole Magnet
3.
When the 4 pole magnet is moved in the direction of arrow A and B , the red, green, and blue dots move as shown below:
A A B B B G R B G R B
Y Separation Axix Correction Magnet Adjustment
1. 2. 3. Input cross hatch pattern. Set Picture to "MINIMUM", Brightness to `STANDARD". Adjust the Y separation axis correction magnet on the Neck Assembly so that the horizontal lines at the top and bottom of the screen are straight.
Blue Red Blue Red
Moved RV750 (H.STAT)
R
G
B
R
G
B
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Convergence Rough Adjustment
Before performing this adjustment, perform Horizontal and Vertical Static Convergence Adjustment. Input cross hatch pattern. a) TLH Adjust the horizontal convergence of red and blue dots by inserting TLH Correction Plate to the DY pocket (left or right). b) YCH Adjust YCH to balance Y axis. c) TLV Adjust the vertical convergence of red and blue dots. d) XCV Adjust XCV to balance X-axis.
c1
RB RB B R R B
b1 a1
d1
TLH
YCH
TLV
XCV
a1~d1: Piece A(110), Convergence Correct or Permaloy Assy Correction
ON DY :
(VR1) TLV1 (no need to adjust) DY pocket TLH Plate
2-3. FOCUS ADJUSTMENT
FOCUS adjustment should be completed before White Balance adjustment. (See 3-4. WHITE BALANCE ADJUSTMENT) 1. Receive digital monoscope pattern. 2. Set Picture Mode to "STANDARD". 3. Adjust focus VR to obtain a just focus at the center of the screen. 4. Change the receiving signal to white pattern and blue back. 5. Confirm magenta ring is not noticeable. In case magenta ring is obvious, then adjust FOCUS VR to balance magenta ring and FOCUS.
(VR2) YCH
(VR3) TLV2 (XCV)
DY pocket
Screen Corner Convergence
Affix a Piece A (110), Convergence Correct/Permaloy Assy Correction to the misconverged areas.
b
a
a-d : screen-corner misconvergence
c
d
FLYBACK TRANSFORMER (T503)
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2-4. SCREEN (G2)
1. Before beginning adustment procedure: -Set Picture and Brightness to "STANDARD". -Set TV to Video mode. -Set WHBL 016 "RGBB" to 01 Connect R, G, B of the CV board cathode to oscilloscope. Adjust Brightness to obtain the cathode value to the value shown below:
2. 3.
Cathode setting voltage: 170 V ± 2 (VDC)
4. 5.
Adjust SCREEN VR on the FBT until the scanning line disappears. Set WHBL 16 "RGBB" back to 00.
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SECTION 3: CIRCUIT ADJUSTMENTS
Electrical Adjustments by Remote Commander
Use the Remote Commander (RM-YA005) to perform the circuit adjustments in this section. Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator
3-1. REMOTE ADJUSTMENT BUTTONS AND INDICATORS
DISPLAY
(Service Mode)
MUTING
(Enter into memory)
POWER
(Service Mode) 3 Increase Data value
1 Display next Item 2 Display next Category 4 Display previous Item 8 (Initialize)
6 Decrease Data value 5 Display previous Category
ENTER
(Enter into memory) 0 (Remove from memory)
VOLUME (+)
(Service Mode)
RM-YA005
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3-2. ACCESSING THE SERVICE MENU
Use the remote commander to access the service menu and perform the following adjusments. 1. Standby mode (Power off). 2. Press the following buttons on the remote commander within a second of each other: DISPLAY POWER Channel 5 Sound Volume + The screen displays the first service data category item. Item # Categoy Data value Video Input Name
3-3. CONFIRMING SERVICE ADJUSTMENT CHANGES
1. 2. 3. After completing adjustments, pull out the plug from the AC outlet, then replace the plug in the AC outlet again. Access Service Menu. Using the buttons on the Remote Commander, locate the adjusted items again to confirm they were adjusted.
3-4. WHITE BALANCE ADJUSTMENTS
NOTE: FOCUS adjustment should be completed before White Balance adjustment. (See 2-3. FOCUS ADJUSTMENT) 1. Access Service Menu. 2. Input white raster signal using signal generator. 3. Set the following condition: Picture "STANDARD", PICT 006, note value of "WTS" then change to 00. 4. Press 2 or 5 to select the WHBL category. 5. Press 1 or 4 to display the 03 "GDRV" and 04 "BDRV" items. 6. Press 3 or 6 to adjust for the best white balance. 7. At Cutoff, select WHBL 000 "BKOR" and 001 "BKOG" and adjust the data. 8. Perform adjustment at Highlight and Cutoff condition until it reaches its target. 9. Press MUTING then ENTER to save into the memory. 10. Set PICT 006 "WTS" back to its original data.
Item
1. 2. 3. 4.
On the Remote Commander press 2 to select the next category, or 5 to select the previous category. Press 1 to select the next item, or 4 to select the previous item. Press 3 to increase the data value, or 6 to decrease the data value. Press MUTING then 0 to write into memory.
GREEN GEOM 000 HPOS 028 SERVICE 60 VIDEO 1
3-5. PICTURE QUALITY ADJUSTMENTS P Max/Contrast Adjustment
1. 2. 3. 4. 5. 6. 7. Set TV to Video mode. Set Picture mode to "CUSTOM". Input PAL 100% Color Bar (CB) to TV set (OTHER model) NTSC 75% Color Bar (CB) (NTSC model). Set the following condition: PICTURE 100%, COLOR 0%, BRIGHTNESS 50% Connect an oscilloscope to pin 4 (R Output) of CN004. Access the Service Menu. Set PICT 003 "PWL" to 00h and WHBL 017 "BLBG" to 01h. Press 1 or 4 to display SADJ 000 "PMAX", then adjust VR by pressing 3 or 6 until the spec below is displayed:
Write with [MUTING]. "WRITE" displays when saving changes GREEN GEOM 000 HPOS 028 WRITE 60 VIDEO 1
Write executed with -. "WRITE" becomes red when saving, then changes to "SERVICE" RED GEOM 000 HPOS 028 WRITE 60 VIDEO 1
Resetting the User Menus
Use the following procedure to reset the User Menus to the factory default settings. 1. Access Service Menu. 2. Press 8 then 0 on the Remote Commander.
VR
Black
PAL VR
NTCS 1.61 0.03Vpp
8.
Copy the adjusted PMAX data to TV mode.
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9. Select Wide Mode to "ON" in TV and Video mode and write "PMAX" data - 6 steps (for models with V-Compression features only). 10. Press MUTING then 0 to write into memory. 11. Set "PWL" and "BLBG" back to initial data. ("PWL": 01h and "BLBG": 00h) 12. Press MUTING then 0 to write into memory.
Sub Hue Adjustment
1. 2. 3. Set TV to Video mode. Input NTSC 3.58 Color Bar(CB) to TV set. Set the following condition: PICTURE 100%, COLOR 50%, BRIGHTNESS 50%, HUE 50%, SHARPNESS 50% 4. Connect oscilloscope to pin 2 (B output) of CN004. 5. Access service menu, then press 1 or 4 to select SADJ 001 "SHUE" and YC 013 "TINT", then adjust VB1= VB2 = VB3 = VB4 by pressing 3 or 6 . 6. Press MUTING then 0 to write into memory. 7. Select TV channel with NTSC 3.58 and repeat steps 3-7. 8. For single system model with NTSC 4.43, select TV channel with NTSC 4.43 and repeat steps 3-7. 9. Once adjustment is completed in Video mode, repeat the adjustment in DVD mode. Set TV to DVD mode. Input NTSC 3.58 Color Bar (CB). 10. Connect oscilloscope to pin 2 (B output) of CN004. 11. Access service menu, then press 1 or 4 to select YC 013 "TINT", then adjust VB1= VB2 = VB3 = VB4 by pressing 3 or 6 . 12. Press MUTING then 0 to write into memory.
VB3 VB4 VB1
Sub Color Adjustment
1. 2. 3. 4. Set TV to Video mode. Set Picture mode to "CUSTOM". Input PAL 100% Color Bar (CB) to TV. Set the following condition: PICTURE 100%, COLOR 50%, BRIGHTNESS 50%, HUE 50%, SHARPNESS 50% Set PICT 006 "WTS" to 00h. Connect an oscilloscope to pin 2 (B Output) of CN004 on A Board. Access service mode, then press 1 or 4 to select SADJ 004 "SCOL", then adjust VB2=VB3=VB4 (for PAL) by pressing 3 or 6 , then write in the data as shown below: Add 3 steps to "SCOL" (PAL) 29"
VB1 VB2 VB3 VB4
5. 6. 7.
VB2
80mV
VB2 = VB3 = VB4 (for PAL)
The highest level of VB1, VB2, VB3 and VB4 should be aligned at the same line. The ideal difference between VB2 and VB3 is within + 80mV.
8. 9.
Copy "SCOL" 50 (PAL) video data to "SCOL" 50 (SECAM) video. Copy "SCOL" 50 (PAL) video data and "SCOL" 50 (SECAM) video data to "SCOL" 50 (PAL) and "SCOL" 50 (SECAM) TV table. 10. For NTSC model, input NTSC 75% Color Bar (CB) to TV and repeat steps 4-6. 11. Access service mode, then press 1 or 4 to select SADJ 004 "SCOL", then adjust VB1 = VB4 (for NTSC) by pressing 3 or 6 , then write in the data as shown below: Add 4 steps to SCOL (NTSC) 29"
VB1 VB2 VB3 VB4
Sub Bright Adjustment
1. 2. 3. 4. Set TV to RF mode. Input PAL monoscope to RF mode (OTHER model) and NTSC monoscope (NTSC model). In CUSTOM mode, set BRIGHTNESS 50% and PICTURE to "MINIMUM" Access the service menu and press 1 or 4 to select WHBL 010 "SBRT", then press 3 to increase the data value, or 6 to decrease the data value so that the cut-off level is 10 IRE, slightly glimmer: 20 IRE + 2 steps. Press MUTING then 0 to write into memory. Copy the adjusted data WHBL 010 "SBRT" to Video mode. Once adjustment is completed in RF and Video mode, repeat the adjustment in DVD mode. Repeat steps 2 and 3. Access the service menu and press 1 or 4 to select WHBL 010 "SBRT", then press 3 to increase the data value, or 6 to decrease the data value so that the cut-off level is 10 IRE, slightly glimmer: 20 IRE.
5. 6. 7. 8.
VB1 = VB4 (for NTSC) (Difference is within 70mV)
12. Copy "SCOL" 60 (NTSC) video data to "SCOL" 60 (NTSC) TV. 13. Copy "SCOL" 50 (PAL) and "SCOL" 60 (NTSC) data to "SCOL" 50 (PAL) and "SCOL" 60 (NTSC) in DVD mode. 14. Press MUTING then 0 to write into memory. 15. Set PICT 006 "WTS" back to original data.
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Geometry Adjustment
Geometry adjustment must be done for both color systems PAL and NTSC.
Normal Mode 50Hz/60Hz
1. Input PAL Special Color Bar (SPCB) or PAL Monoscope (OTHER model) and Video mode or NTSC Monoscope (NTSC model) signal using a pattern generator. Set Wide Mode to "OFF". Use TABLE 1 to complete the adjustments by acesssing service mode and then selecting the category item that needs adjusting by pressing 1 or 4 . Press 3 to increase the data value, or 6 to decrease the data value. Press MUTING then 0 to write into memory.
H-Trapezoid Adjustment
1. 2. Receive cross hatch/dot signal. Adjust RV 1800 on CV Board to make H-Trapezoid distortion best/to obtain the center illustration shown in TABLE 1.
Category
GEOM 000 (HPOS)
2. 3.
4. 5.
Function
H Position
Illustration
GEOM 001 (HPAR)
H Parallelogram
Wide Mode
1. Input PAL Special Color Bar (SPCB) or PAL Monoscope (OTHER model) and Video mode or NTSC Monoscope (NTSC model) signal using a pattern generator. Set Wide Mode to "ON". Copy NORMAL MODE 50Hz/60Hz adjusted data for the following items: GEOM: 011 VSIZ, 010 VSLP, 012 SCOR, and 003 VLIN Use TABLE 1 to adjust the data by pressing 3 to increase the data value, or 6 to decrease the data value until the screen displays the center illustration for all items except the following: GEOM: 003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR Press MUTING then 0 to write into memory.
GEOM 002 (HBOW)
H Bow
2. 3.
Linearity
GEOM 003 (VLIN)
GEOM 005 (HSIZ)
EW Width
4.
Note: Adjust HSIZ 16.6 + -(SPCB) _ 50Hz 14.8 + -(PAL Monoscope) _ 50Hz 15.3 + -(NTSC Monoscope) _ 60Hz
5.
GEOM 006 (EWPW) GEOM 007 (UCOP)
EW Parabola/Width
EW Upper Corner Parabola
GEOM 008 (LCOP)
EW Lower Corner Parabola
GEOM 009 (EWTZ)
EW Trapezoid
GEOM 011 (VSIZ)
V-Amplitude
Note: Adjust VSIZ 12.6 + -(SPCB) _ 50Hz 11.3 + -(PAL Monoscope) _ 50Hz 11.7 + -(NTSC Monoscope) _ 60Hz
GEOM 012 (SCOR)
S-Correction
GEOM 013 (VPOS)
V-Shift
TABLE 1
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31
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SECTION 4: DIAGRAMS
4-1. CIRCUIT BOARDS LOCATION
CV Board
K2 Board
A Board H2 Board
J4 Board
4-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM INFORMATION
All capacitors are in F unless otherwise noted. pF : F 50WV or less are not indicated except for electrolytics and tantalums. All electrolytics are in 50V unless otherwise specified. All resistors are in ohms. k=1000, M=1000k Indication of resistance, which does not have one for rating electrical power, is as follows: Pitch : 5mm Rating electrical power :
1
: B+line. : B-line. (Actual measured value may be different). : signal path. (RF) Circled numbers are waveform references.
The components identified by shading and ! symbol are critical for safety. Replace only with part number specified. The symbol indicates a fast operating fuse and is displayed on the component side of the board. Replace only with fuse of the same rating as marked.
/ 4 W in resistance, 1/10 W and 1/ 8 W in chip resistance. : nonflammable resistor. : fusible resistor. : internal component. : panel designation and adjustment for repair. : earth ground : earth-chassis
REFERENCE INFORMATION
RESISTOR : RN METAL FILM : RC SOLID : FPRD NONFLAMMABLE CARBON : FUSE NONFLAMMABLE FUSIBLE : RW NONFLAMMABLE WIREWOUND : RS NONFLAMMABLE METAL OXIDE : RB NONFLAMMABLE CEMENT : ADJUSTMENT RESISTOR COIL : LF-8L MICRO INDUCTOR CAPACITOR : TA TANTALUM : PS STYROL : PP POLYPROPYLENE : PT MYLAR : MPS METALIZED POLYESTER : MPP METALIZED POLYPROPYLENE : ALB BIPOLAR : ALT HIGH TEMPERATURE : ALR HIGH RIPPLE
All variable and adjustable resistors have characteristic curve B, unless otherwise noted. Readings are taken with a color-bar signal input. Readings are taken with a 10M digital multimeter. Voltages are DC with respect to ground unless otherwise noted. Voltage variations may be noted due to normal production tolerances. All voltages are in V. S : Measurement impossibillity.
KV-29FA350/29FA750
32
KV-29FA350/29FA750
4-3. BLOCK DIAGRAM
FSS T UNE R SI F SA W
V IF SA W
A C in ~ 110-220V
C I S PR /
MA IN Power S uppl y S tdby Power
Stby 3.3 Low B
+B Audio Vcc
H 1/H 2
R GB
CV
R G B A mp
M on out
M on out
V I F & SI F I /O Port
C ol or D ecoder
PO W E R Y UV Processor Jungl e
V +, V R GB
Y
DV D in
U V L R
DV D in
AV 1 in W al k man in AV 2 in
M i cro T ex t C C & V -chi p R ear A V i n
W al k man i n ( L , R )
VM
V D ef H D ef
C
E W, Hd
L a ti n
F ront A V i n PL L
24. 576 MHz
L a ti n
I /O port A S tereo, D DSP C D A C
L S /R S L
A udi o A mp X 2
L ,R
H 1/H 2
R 5. 1ch IC SI R CS K ey buttons L E D NV M ATT L ,R
L a ti n
H P
SW
KV-29FA350/29FA750
33
KV-29FA350/29FA750
4-4. SCHEMATICS AND SUPPORTING INFORMATION A BOARD SCHEMATIC DIAGRAM (1 OF 6) 1 A
MOMUTE-AUDIO PWR-OFF-MUTE IIS_CLOCK
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2
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3
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4
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5
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6
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7
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8
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9
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16
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17
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18
A BOARD WAVEFORMS
TO A BOARD CN905 TO CV BOARD CN701
G OUT Y OUT R OUT B OUT GND GND GND CN004 7P WHT CN007 5P 9V IK
U OUT / FB
TO CV BOARD CN711
VM OUT V OUT CN003 4P 135V GND GND NC
1
2
3
IIS_OUT1
HOUT-DEFL
W066 A
B -- C -- D --
D066 PG102R
L003 10uH
+B_2
C006 470 10V
C005 100 16V
W075 W079 R377 1.5k 1/10W RN-CP JR801 0 CHIP
LSR-AUDIO
AFC-DEFL
LSL-AUDIO
SDA-0
SCL-0
IIS_WS
9V
--
3.3V
5V
+B_2
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
4
2.5 Vp-p (V) 4 5
5.4 Vp-p (H) 6
3.2 Vp-p (H)
R394 4.7k 1/10W RN-CP C004 100 16V
1.6 Vp-p (H)
R388 75 1/10W RN-CP
1.8 Vp-p (H)
2.0 Vp-p (H)
R389 75 1/10W RN-CP 2.0 R387 75 1/10W RN-CP C338 0.1 16V B 1608 C337 0.1 16V B 1608 C336 0.1 16V B 1608 5 4 3.6 3.6
2.6
2.2
D057 MA111-TX D058 MA111-TX D059 MA111-TX
Q010 2SA1235TP-1EF
Q001 KRC102S
0.0
VM
SW
SCARTFBL/A16
D024 UDZSTE-179.1B
SEL_IN SYIN SUIN SVIN
E -- F -- G -- H
AUDIO-STDBY B_INT R096 220 1/10W RN-CP R099 220 1/10W RN-CP
R004 100 1/10W RN-CP
C003 100p 50V CH 1608
D025 UDZSTE-179.1B
6 3
D023 UDZSTE-179.1B
L007 10uH C037 1 R364 10V 470 D075 B 1/10W MM3Z9V1ST1 1608 RN-CP
R002 100 1/10W RN-CP R393 100 1/10W RN-CP
C001 100p 50V CH 1608
3.3 7 2 L006 10uH C025 0.22 16V B 1608 L035 10uH C028 0.1 16V B 1608 C030 0.22 16V B 1608
ABL C054 0 . 1 L005 16V 10uH B 1608 C092 0.1 16V B 1608 C053 0.022 25V B 1608 FB008 0uH R058 0 CHIP R056 2.2k 1/10W RN-CP 1.4 0.5 R059 1k 1/10W RN-CP R395 100k 1/10W RN-CP
8
1
D002 MA111-TX
C002 470 16V
NVM
D003 MA111-TX
C318 0.1 16V B 1608
IC003 24WC16WI-TE13
C328 0.01 25V B 1608 L031 10uH 0.0
C026 47 25V
C036 100 16V R039 100 R042 R038 1/10WR041 2.2k 100 RN-CP100 1/10W 1/10W 1/10W RN-CP RN-CP RN-CP C301 470p 50V CH 1608 1.6
0.1
0.1
1.6
3.2
2.9
1.3
1.3
1.3
0.1
0.1
0.1
1.8
2.0
1.3
1.3
1.6
1.3
Q016 KRC102S
TP03 C023 2.2 16V F 2012 96 VDDADC(1.8) 95 VSSADC 94 VDDA2 93 VDDA(1.8) 92 GNDA 91 VREFAD
C038 0.1 16V B 1608 C302 R385 4 . 7 R386 100 100 1/10W 50V 1/10W RN-CP RN-CP R384 100 W078 1/10W RN-CP
R317 4.7k 1/10W RN-CP
D085 MM3Z9V1ST1
TP04 W076 W082 W077
C056 100 16V
MUTE
R003 4.7k 1/10W RN-CP R001 4.7k 1/10W RN-CP R010 10k 1/10W RN-CP C010 470p 50V CH 1608 2.4
VDDA(3.3V)
B-Y/BIN
R-Y/RIN
Y/GIN
IK
B OUT
R OUT
YIN
SCARTFBL
G OUT
ABL
VP3
UIN
VIN
C021 100p 50V CH 1608 R323 100 1/10W RN-CP R012 2.2k 1/10W RN-CP R020 100 1/10W RN-CP 0.6
0.3 65 VM
90 VREFAD_PO
89 VREFAD_NE
88
87
86
85
84
83
82
81 GND3
80
79
78
77
76 VOUT
75 UOUT
74 YOUT
73 YSYNC
72
71
70
69 VDDCOMB
68 VSSCOMB
67 HOUT
66 AFC
2.9 3.3 3.3 97 98 99 100 101 102 SIRCS B INT
2.0 CVBS0 64 63 62 61 60 59 58 57 56 55 54 2.2 53 52 1.8 51 50 2.2 INL2 MON-OUT VP2 AGC2SIF VCC8V INTC0-IF IFVO/IF_MON_OUT SIFAGC/SCART PLLIF GND2 MONO_OUTL DECSDEM OUTR OUTL 49 2.0 48 47 2.3 46 45 44 2.3 43 1.9 42 2.0 41 40 39 2.2 38 3.5 37 3.5 36 35 34 0.1 AVL/2SIF 33
W030
CVBS/PIPOUT
4 SDA1 VDDC2 VSSC2 IIS WS IIS CLOCK MOMUTE-AUDIO IIS OUT1 AUDIO MUTE AUDIO STDBY SCL0 SDA0 VDDP(3.3V) S1/VC(GA) ROT CTRL ROT SW DGC RELAY AFT(PIP) MIC SW VDDC1(1.8V) DECV1V8 KEY S2 VSSC1/P RED LED GREEN LED VDDC3(1.8V) VSSC3 vREF_NEG_HPL+HPR VREF_POS_LSR+HPL VREF_NEG_LSL+LSR AGC-MUTE VREF_POS_LSL VDDA3(3.3V) VDDC4(1.8V) 6 5
3
2
SCARTHPR SCARTHPL LSR LSL C1 CVBS1/Y1 INR1 INL1 CVBS3 INR3 INL3 C2 CVBS2/Y2
B_CLK B_DAT
3.5 3.5 1.6 1.4 2.2 2.2 1.8 2.2 C1 CVBS1/Y1 INR1 INL1 CVBS3 INR3 INL3
SCL_CN010 SDA_CN010
R097 220 1/10W RN-CP
R399 4.7k 1/10W RN-CP 0.0 R014 100 1/10W RN-CP
Q018 KRC102S
MUTE
2.4
R340 2.2k 1/10W RN-CP
R338 2.2k 1/10W RN-CP
R336 4.7k 1/10W RN-CP
C312 1000p 50V B 1608
C313 1000p 50V B 1608
L011 10uH
D082 MM3Z3V3T1
R337 470 1/10W RN-CP R341 100 1/10W RN-CP
0.7 103 2.4 104 0.0 2.8 3.3 105 106
C020 0.1 16V B 1608 TO H2 BOARD CN4113 CN3102 7P WHT SIRCS
R324 0 CHIP
R030 100 1/10W RN-CP
-- I -- J
R029 100 1/10W RN-CP L009 10uH C311 2.2 50V C090 100p 50V CH 1608
R339 3 . 2 100 1/10W RN-CP 3 . 3
107 108 109
R320 4.7k 1/10W RN-CP
R023 4.7k 1/10W RN-CP
C091 100p 50V CH 1608
R022 4 . 9 100 1/10W RN-CP 0 . 0 R024 100 1/10W RN-CP
110 111 112
CVBS2/Y2 INR2 INL2 L004 47uH C303 100 16V C333 0.1 25V B 1608 MON-OUT C319 47p 50V CH 1608 C069 0.1 16V B 1608
W033 W034
2.2
1
INR2
IC001 TDA12019H/N1E7F TMP
7 6 5 4 3 2 1
R380 100 1/10W RN-CP C308 0.01 25V B 1608 R015 1.5k 1/10W RN-CP FB009 0uH L012 10uH C013 100 16V
0.0 0.0
113 114 115 116 117
GND VCC GND LED G LED R KEY
MICRO/AV PROCESSOR
JR1011 0 CHIP
0.0
D068 MM3Z5V6ST1
1.8 3.3
118 119 120
C320 47p 50V CH 1608 IFVO/IF_MON_OUT
D083 MM3Z3V3T1
W063 C335 0.22 16V B 1608 FB011 0uH
PLLIF
0.0 R026 100 1/10W RN-CP 3.5
121 122 123 124
2.4 JR1012& 0 CHIP
MONO_OUTL
L013 10uH
C018 0 . 0 1 FB010 25V 0 B 1608
D084 MM3Z3V3T1
R025 100 1/10W RN-CP 3.3
OUTR OUTL KARA_R KARA_L C316 0.47 10V B 1608
W031
125 126
XTALOUT
VGUARD
AGCOUT
DECDIG
XTALIN
SECPLL
VIFIN1
VIFIN2
SIFIN1
SIFIN2
DECBG
GNDIF
VSSA1
PH2LF
PH1LF
VSSC4
VSSP2
GND1
1.9
2.3
2.3
4.3
1.6
1.6
2.0
2.0
2.4
2.0
1.9
1.9
3.5
2.3
2.3
0.1
2.6
2.3
K -- L -- M -- N -- O -- P
KV-29FA350/29FA750
W053
TP02
1
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18
19
20
21
22
23
24
25
26
27
28
29
30
31
32 0.6 C323 0.01 50V CH 2012 R060 100 1/10W RN-CP C064 2.2 50V R379 68k 1/10W RN-CP C073 2.2 50V C065 3.3 50V
FB005 0uH
X001 0MHz
FB007 0uH JR099 FB006 0 0uH CHIP
C304 100 16V R044 12k 1/10W RN-CP
C022 0.22 16V B 1608
C024 22 50V C029 470 10V C330 100p 50V CH 1608 L010 10uH L033 10uH L036 10uH
L032 10uH
C321 0.22 16V B 1608
C322 1000p 50V B 1608
L008 10uH
C042 0.22 16V B 1608 R316 6.8k 1/10W RN-CP
C080 1000p 50V B 1608
R314 4.7k 1/10W RN-CP R306 12k 1/10W RN-CP
R315 4.7k 1/10W RN-CP
A1/6 AUDIO-VIDEO PROCESSOR MICRO
W011
W059
C031 1000p 50V B 1608
AUDIO-MUTE
1.8V_AUDIO
AGC-MUTE
M-SYS-IF
VIFIN1-IF
VIFIN2-IF
EWD-DEFL
VD--DEFL
D064 MM3Z5V6ST1
C041 4700p 50V B 1608 C317 220 16V
C049 C050 0 . 0 2 2 10 25V 50V B 1608 C332 1000p 50V B 1608
C081 1000p 50V B 1608
D065 MM3Z5V6ST1
R011 470 1/10W RN-CP C032 C034 10p 10p 50V 50V CH CH 1608 1608
C089 C052 1000p C048 1000p 50V 0 . 2 2 50V B 16V B 1608 1608 C046 B 6800p 1608 25V R048 C055 B 100 0.15 1608 1/10W 250V C044 R045 100 R046 RN-CP 2.2 16V 1/10W 100 1/10W RN-CP F RN-CP 2012
R051 39k 1/10W RN-CP
VGUARD-DEFL
ROT_CTRL
OCP-PROTECT
PH2LF
DGC-RELAY
1.8V_MAIN
VDDC4_CAP
VD+-DEFL
STBY_SW
SIFIN1-IF
SIFIN2-IF
AFT-PIP
TUAGC-IF
MIC_SW
S1/VC
EHT0
IREF
EWD
VD+
VSC
VP1
VD-
R402 100 1/10W RN-CP 5% 1608
3.3 C325 1000p 50V B 1608
128
M-SYS-IF
VREF_POS_HPR
--
KARA RIN KARA LIN
127
C063 0.1 16V B 1608
W010
2SIF
S2
A-1227-533-A A-1227-526-A X 1 L > A - P 1
34
KV-29FA350/29FA750
A BOARD SCHEMATIC DIAGRAM (2 OF 6) 1 A -- B -- C
TO K2 BOARD SL CN2407 GND SR CN2103 3P 3 2 1
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2
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3
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4
LSR-AUDIO
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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LSL-AUDIO
R238 100 1/10W RN-CP
R237 100 1/10W RN-CP
-- D -- E -- F -- G --
Q202 2SA1235TP-1EF R206 100
1.7 3.5
SW
D205 1/10W MA111-TX
RN-CP
W074
3.5
C219 1000 25V
R221 100 1/10W RN-CP
R220 0 CHIP
D204 MA111-TX
MOMUTE-AUDIO
H -- I --
2.6
D203 MA111-TX D202 MA111-TX
9V R241 2.2k 1/10W RN-CP R242 2.2k 1/10W RN-CP
0.1
J -- K -- L
AUDIO-3 AUDIO-1 AUDIO-2
D212 MA111-TX Q206 KRC102S
AUDIO-STBY
D214 MA111-TX
PS201 5A
C239 470p 500V B JW2108 5
FB201 1.1uH R2647 10k 1/4W FPRD
D222 FSF05A20
C243 1000 35V
C244 1000 35V
JW2105 15
R2645 10k 1/4W FPRD C240 470p 500V B C245 1000 35V
PS202 5A
C246 1000 35V
-- M -- N -- O -- P
KV-29FA350/29FA750
R2646 1 1/4W FPRD AUDIO-STDBY AUDIO-MUTE PWR-OFF-MUTE
FB202 1.1uH
D223 FSF05A20
JW2104 5
MON-MUTE-AUDIO
A 2/6 AUDIO
4V_AUDIO_MUTE
1 2 3 4 5 6 7 8
4
3
2 GND
CENTER +
CENTER +
CENTER +
CENTER +
A-MUTE
4V
-
-
+
A-STBY
CN2104 4P
CN2102 8P
TO K2 BOARD CN2404
TO K2 BOARD CN2403
+
1
A-1227-533-A A-1227-526-AA-P2 A-1234-390-A A-1234-563-A
35
KV-29FA350/29FA750
A BOARD SCHEMATIC DIAGRAM (3 OF 6) 1 A
GND_1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
ATSC-VCC
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20
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21
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IC606 KIA78D33P1
3.3V REG
D635 PDZ3.6B-115
I G O C641 100 16V C672 0.01 25V B 1608 3.3V
--
CN605 3P WHT 3
IC607 BA18BC0FP-E2
B -- C -- D -- E -- F -- G -- H --
DGC
1.8V REG
VCC OUT GND 1.8V_MAIN
CHOKE(PFC) CHOKE(PFC)
CN600 2P
CN601 *
DGC NC DGC CN602 *
DGC-RELAY
0.1
W068
W002
C643 4.7 10V F 2012
C686 4.7 10V F 2012
10.9
0.2
0.2
I -- J -- K -- L -- M -- N -- O -- P
KV-29FA350/29FA750
TO H2 BOARD CN4102 AC IN AC IN CN6101 2P 2 1
HS-A007
A-1227-533-A A-1227-526-A A-P3 A-1234-390-A A-1234-563-A
STBY_SW_KP
1
DGC
2
DGC
1
DGCT
2
DGCT
1 11V C660 0.22 275V PP RY600 TH600
JW1619 7.5 JW1620 7.5
T602 NEW PART T602 C609 0.0047 500V E TP602 1 R605 0.1 1W RF C605 0.0047 500V E TMP 18
C662 0.1 16V B 1608
D642 MM3Z9V1ST1
D643 MM3Z3V3T1
JW1665 10
C685 220 16V AUDIO-3 AUDIO-2 AUDIO-1 11V
*
C690 *
17 C653 470p 500V B PS603 5A 4 FB610 1.1uH FB601 1.1uH FB605 1.1uH 5 14 15 PS602 5A C654 470p 500V B PS605 5A C682