Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo Plasma SP-120 chassis daewoo_sp120_chassis_pds2950_plasma_tv_sm_only_pdp42v5_lg_107

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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/



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