SP-120.pdf part of Daewoo SP-120 SP-120.pdf, Daewoo Ņhassis SP SP-120 SP-120.pdf text manual preview

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42" PLASMA PDP MONITOR
CHASSIS : SP-120
MODEL : PDS4250

NOV.2003
Contents
I. Parts with the exception of MODULE
1. Safety Precautions 3
2. Product Specification
2-1. SPECIFICATION 4
2-2. Available Input Signal 6
3. BLOCK DIAGRAM 8
4. Description Of Each BLOCK
4-1. A/V BLOCK 9
4-1-1. A/V BLOCK DIAGRAM 9
4-1-2. VIDEO PCB 10
4-1-3. JACK PCB 14
4-1-4. KEY PCB 15
4-1-5. LED PCB 15
4-2. POWER PCB 16
4-3. BASIC CONGIFURATION 17
5. SERVICE MODE
5-1. Entering SERVICE MODE 18
5-2. Default Values For SERVICE MODE Items 18
5-3. Description Of SERVICE MODE Items 19
6. Adjusting Method
6-1. Adjusting WHITE BALANCE 23
6-2. Adjusting POWER PCB 23
7. SOFTWARE UPGRADE Method 25
8. Main PCB Trouble Diagnosis 28
8-1. VIDEO & JACK PCB Trouble Diagnosis 28
8-2. POWER PCB Trouble Diagnosis 33
9. TROUBLE SHOOTING
9-1. Facts You Must Know When Diagnosing And Repairing 34
9-2. Representative Symptoms When Each PCB Breaks Down 34
9-3. Trouble Diagnosis And Repairing Method For Representative Symptoms 35
10. ASSEMBLY LIST 39
11. EXPLODED VIEW 42

II. Parts of MODULE
1. Safety Precautions 43
2. Formation and Specification of Module 46
3. Adjustment 47
4. Trouble Shooting 52
4-1 Checking for No Picture 52
4-2 Hitch Diagnosis Following Display Condition 54

-1-
4-2-1. 4/7 or 3/7 of the screen doesn't be shown 54
4-2-2. Screen doesn't be shown as Data COF 54
4-2-3. It is generated unusual pattern of Data COF IC unit 55
4-2-4. Regular Stripe is generated about the quantity of one Data COF IC or more 56
4-2-5. Screen doesn't be shown at all as scan COF 56
4-2-6. Regular stripe is generated at regular internal on the whole screen 57
4-2-7. Data copy is generated to stripe direction 57
4-2-8. One or more stripe is generated on the screen 58
4-2-9. One or more horizontal line is generated on screen 58
4-2-10. Lightness of screen is wholly darken though there is input-signal-pattern 58
4-2-11. Different color is shown partially during full-white-screen or electric discharge is
generated during full-black-screen 59
4-2-12. Full-white pattern it happened that the lightness of middle is darken while full-white
pattern 59
4-2-13. Some lightness of some color doesn't not generated well 59
5. Block Diagram of Module 60

-2-
I. Parts with the exception of MODULE
1. Safety Precautions

1. Safety Precautions

(1) When moving or laying down a PDP Set, at least two people must work. Avoid any impact towards
the PDP Set.

(2) Do not leave the broken PDP Set on for a long time. To prevent any further damages, after check the
condition of the broken Set, make sure to turn the power (AC) off.

(3) When opening the BACK COVER, turn off the power (AC) to prevent electric shock. When a PDP
is on, high voltage and high current exist inside the Set.

(4) When loosening screws, check the connecting position and type of the screw. Sort out the screws
and store them separately. Because screws holding PCB are working as electric circuit
GROUNDING, make sure to check if any screw is missing when assembling.

(5) If you open the BACK COVER, you will see a
Panel Gas Exhaust Tube (Fig. 1). If this part is
damaged, entire PDP PANEL must be replaced.
Therefore, when working, be careful not to
damage this part.

Fig 1. Panel Gas Exhaust Tube

(6) A PDP Set contains a different kind of connector cables. When connecting or disconnecting
connector cables, check the direction and position of the cable beforehand.

(7) When disconnecting connectors, unplug the connectors slowly with care. Especially when
connecting/disconnecting FFC (film) cables or FPC cables, do not unplug the connectors too much
instantaneously or strongly, and always handle the cables with care.

(8) Connectors are designed so that if the number of pins or the direction does not match, connectors
will not fit. When having problem in plugging the connectors, make sure to check their kind,
position, and direction.

-3-
2. Product Specification

2-1. SPECIFICATION
ITEM SPECIFICATION REMARK
1. GENERAL
1-1. MODEL NO DSP-4222LVS(G, W)
1-2. CHASSIS NO SP-120
1-3. SCREEN SIZE 42 (16:9)
1-4. COUNTRY Europe
1-5. RESOLUTION 852(H) X 480(V)
1-6. REMOCON TYPE R-V2A02
1-7. SAFETY STANDARD CE(CLASS B), CB
2. MECHANICAL
2-1. APPEARANCE
1) WITHOUT STAND WxHxD=1,044 x 631 x 82.8 mm
2) WITH STAND WxHxD=1,044 x 705.9 x 310 mm
3) CARTON BOX WxHxD=1,256 x 800 x 327 mm
2-2. WEIGHT
1) WITHOUT STAND 28.2 Kg
2) WITH STAND 32.7 Kg
3. ELECTRICAL
3-1. VIDEO INPUT COMPOSITE (NTSC, PAL, SECAM, PAL-M/N, NTSC4.43)
& S-VHS (50/60Hz Y/C) 1 PORTS SCART(CVBS/RGB) 2 PORTS
3-2. DTV/DVD INPUT 1080i, 720P, 480P , 480i
(Y, Pb/Cb, Pr/Cr, COMPONENT SIGNAL) 2 PORTS
3-3. PC INPUT VGA ~ UXGA (15 PIN D-SUB) 1 PORT
3-4. DVI INPUT DVI-D(DVI JACK) 1 PORT
3-5. SOUND INPUT VIDEO 3 PORTS, DTV/DVD 2 PORTS,PC 1 PORT,DVI 1 PORT
3-6. SPEAKER OUTPUT 8W(R) + 8W(L)
3-7. POWER REQUIREMENT AC 100V~240V, 50/60Hz
3-8. POWER CONSUMPTION 320W
3-9. RS-232 CONTROL COMMUNICATION (EXTERNAL UPGRADE)
3-10. FUNCTION
1) SCREEN MODE *PC: H/V SIZE AND POSITION ADJUSTMENT
*VIDEO : AUTO,16:9,PANORAMA,ENLARGE LB, ENLARGE LBS
*DTV/DVD : AUTO,16:9
2) ZOOM 20 STEP ZOOM
3) OSD 11 LANGUAGES (ENGLISH,KOREAN,GERMAN,ITALIAN,
DUTCH,PORTUGUESE,SPANISH,MEXICAN,RUSSIAN,
CHINESE,FRANCH)
4) OTHERS STILL, SLEEP MODE , SOUND MODE

-4-
Product Specification

ITEM SPECIFICATION REMARK
4. OPTICAL
4-1. SCREEN SIZE 42 (106Cm) DIAGONAL
4-2. ASPECT RATIO 16:9
4-3. NUMBER OF PIXELS 852(H)X480(V)
4-4. DISPLAY COLOR 16,700,000 COLOR( EACH 8BITS FOR RGB )
4-5. CELL PITCH 1.08(H)X1.08(V)
4-6. PEAK LUMINANCE 300cd/