Daewoo DPP-42A1GCSB Service Manual
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Daewoo DPP-42A1GCSB Service Manual

Daewoo DPP-42A1GCSB Service Manual

42" plasma pdp tv
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Service Manual
42" PLASMA PDP TV
CHASSIS :
Model :
DPP-42A1GCSB
DPM-42A1GCSB
Caution
: In this Manual, some parts can be changed for improving. their
performance without notice in the parts list. So, if you need the
latest parts information, please refer to PPL(Parts Price List)in
Service Information Center.
S/M NO. : DPP221PEF0
SP-221P, 221M

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Summary of Contents for Daewoo DPP-42A1GCSB

  • Page 1 Service Manual 42" PLASMA PDP TV CHASSIS : SP-221P, 221M Model : DPP-42A1GCSB DPM-42A1GCSB Caution : In this Manual, some parts can be changed for improving. their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List)in...

  • Page 2: Table Of Contents

    Contents I. Parts with exception of MODULE 1. Safety Precaution 2. Product Specification 2-1. SPECIFICATION 2-2. Available Input Signal 2-3. Remote Control Setup Code 3. The Features of Inside 4. Block Diagram 5. Default Setting in User Menu OSD 5-1. Picture Mode 5-2.

  • Page 3: Parts With Exception Of Module

    I. Parts with the exception of MODULE 1. Safety Precautions (1) When moving or laying down a PDP Set, at least two people must work together. Avoid any impact towards the PDP Set. (2) Do not leave a broken PDP Set on for a long time. To prevent any further damages, afterchecking the condition of the broken Set, make sure to turn the power(AC) off.

  • Page 4: Product Specification

    2. Product Specification 2-1. SPECIFICATION ITEM SPECIFICATION REMARK 1. GENERAL 1-1. MODEL NO DPP-42A1GCSB, DPM-42A1GCSB 1-2. CHASSIS NO DPP-42A1GCSB : SP-221P, DPM-42A1GCSB : SP-221M 1-3. SCREEN SIZE 42”(16 : 9) 1-4. COUNTRY Europe 1-5. RESOLUTION 1024(H) x 768(V) 1-6. REMOCON TYPE R-53J17 1-7.
  • Page 5 Panorama, LB(16 : 9), LBS(16 : 9), 14 : 9, LB(14 : 9), LBS(14 : 9) Auto) 2) OSD * DPP-42A1GCSB : 17 Languages(English, Greek, Dutch, German, Russian, Rumanian, Swedish, Danish, Finnish, Norwegian, Spanish, Italian, Franch, Polish, Portuguese, Czech, Hungarian)

  • Page 6: Available Input Signal

    Product Specification 2-2. Available Input Signal (1) PC & DVI Resolution H Freq.(KHz) V Freq.(Hz) Remark 31.469 59.940 640 X 480 37.861 72.809 VESA 37.500 75.000 VESA 720 X 400 31.469 70.087 35.156 56.250 VESA 800 X 600 37.879 60.317 VESA 1024 X 768 48.363...

  • Page 7: Remote Control Setup Code

    Product Specification 2-3. Remote Control Setup Code...
  • Page 8 Product Specification...
  • Page 9 Product Specification...
  • Page 10 Product Specification -10-...
  • Page 11 Product Specification -11-...
  • Page 12 Product Specification -12-...
  • Page 13 Product Specification -13-...
  • Page 14 Product Specification -14-...
  • Page 15 Product Specification -15-...
  • Page 16 Product Specification -16-...
  • Page 17 Product Specification -17-...
  • Page 18 Product Specification -18-...
  • Page 19 Product Specification -19-...
  • Page 20 Product Specification -20-...
  • Page 21 Product Specification -21-...
  • Page 22 Product Specification -22-...
  • Page 23 Product Specification -23-...
  • Page 24 Product Specification -24-...
  • Page 25 Product Specification -25-...
  • Page 26 Product Specification -26-...
  • Page 27 Product Specification -27-...

  • Page 28: The Features Of Inside

    3. The Features of Inside -28-...

  • Page 29: Block Diagram

    4. Block Diagram -29-...

  • Page 30: Default Setting In User Menu Osd

    5. Default Setting in User Menu OSD 5-1. Picture Mode (1) Mode Normal Dynamic Cinema User Brightness Undefined Contrast Undefined Sharpness Undefined Colour Undefined Tint Undefined DVI & PC Input - Only brihgtness and contrast are available. (2) Default value of other functions in picture mode Function Default Value Colour Temp...

  • Page 31: Screen

    Default Setting in User Menu OSD 5-3. Screen 16 : 9 4 : 3 Panorama LB (16:9) LBS (16:9) 14 : 9 LB (14:9) LBS (14:9) Auto Component H. Position, V. Position, and Auto screen size is available only in PC mode. 5-4.

  • Page 32: Service Mode

    6. Service Mode To enter SERVICE MODE, A. Press “ VOL” -> “MUTE ” -> “RECALL” -> “MUTE” button of remote controller (R-53J17) B. Press “S9” button of SERVICE REMOTE CONTROLLER. [Note] In the first line, there is the model name and the version of the upgraded program on the PDP set.
  • Page 33 Service Mode The automatically set offset values may different from the default value depend on B/D. However, the main B/D should be replaced or contact Kunpo R&D center in Korea if the OFFSET values differ more than ±20 from default value. 6-3.

  • Page 34: Power Pcb

    7. Power PCB 7-1. Input and Environmental Requirement Input Requirement Description Environment Requirement Description Norminal Input Voltage AC100V to AC240V Operating Temperature Range 0 to 50 deg. Input Voltage Variation Range AC85V to AC276V Operating Humidity Range 20 to 80 % Nominal Frequency 50 / 60 Hz Storage Temperature Range...

  • Page 35: Function Of Protection

    Power PCB 7-3. Function of Protection Protection Output Circuit Trip point Notes 2.2A or more 1.71A or more 5Vctrl 6.0A or more 4.6A or more Over Current 2.1A or more Shut down by Undr Voltage 3.4V 11.5A or more 0.011 or more 1.7A or more 5Vstby 3.0A or more...

  • Page 36: Power Adjustment

    8. Power Adjustment Power Adjustment - Adjusting to standard power voltages, which are written in the upper right side of PDP module. These values were already adjusted by PDP module makers while producing. Therefore, if there are some problems in picture after adjusting, you should classify that PDP module as a fault and contact to PDP module maker.

  • Page 37: Va(Adress Voltage)

    Power Adjustment 8-2. Va(Address Voltage) : Data Input Voltage Measurement Equipment : Digital Volt Meter(DC volt mode) Adjusting TP : Va TP Adjusting Location : RV401 Optimum Adjusting Voltage : The voltage which is written in the label located in upper right side of the PDP module.(Typical Voltage : 60V) -37-...

  • Page 38: 5Vcntl

    Power Adjustment 8-3. 5Vcntl(5V control) Measurement Equipment : Digital Volt Meter(DC volt mode) Adjusting TP : Vcc TP Adjusting Location : RV501 Optimum Adjusting Voltage : The voltage which is written in the label located in upper right side of the PDP module.(Typical Voltage : 5.2V) -38-...

  • Page 39: Noticeable Points While Assembling

    9. Noticeable Points While Assembling 9-1. Insertion of Ring Core(EMI Filter) to Speaker Cable(L, R), AV3 Cable and their position - Coil the Ring Core(Filter EMI, S/N : 5PZCA2009A) 2 turns with Speaker Cable (L, R) as shown in the figure below. - Coil the Ring Core(Filter EMI, S/N : 5PZCAT3035) 1 Turn with AV3 Cable as shown in the figure below.
  • Page 40 Noticeable Points While Assembling 9-3. LVDS Cable Connection -> CABLE LVDS, S/N : 4856818800 -> DIGITAL B/D part -> CLAMP WIRE, S/N : 4856818800 -> CLAMP WIRE, S/N : 4856815900 (Place these CLAMP WIRES as shown in the figure below) * Make LVDS Cable not to touch on the Terminal Plate while connecting.
  • Page 41 Noticeable Points While Assembling 9-4. Shieldron Tape on SCART Input -> Tape EMI, S/N : 485A100071 (Position : From top of Scart to Terminal Channel Gasket) 9-5. Shieldron Tape on DVI Input -> Tape EMI, S/N : 485A100571 (attach vertically, 3 X 4.2 Cm) (Position : From top of DVI to Terminal Channel Gasket) -41-...

  • Page 42: Software Upgrade Method

    10. Soft ware Upgrade Method 10-1. Check whether MAIN PCB is connected to SUB PCB(PA901 to P901). 10-2. Connect 9-PIN serial cable to the serial port of the computer. 10-3. Connect the opposite end of the serial cable to RS-232C port of SUB PCB. 10-4.
  • Page 43 SOFTWARE UPGRADE Method 10-6. Select correct COM Port and Baud Rate(115200) as shown below. Then press Flash button to finish setup. 10-7. Turn on the ac power and then upgrade program will start the download as shown below. -43-...
  • Page 44 SOFTWARE UPGRADE Method 10-8. When the upgrading is complete, a window(below) will be opened. Press “Finish” button to complete the process. -44-...

  • Page 45: Trouble Shooting

    11. Trouble Shooting Before starting Trouble Shooting Trouble diagnosing and repairing of set mean find out which PCBs or blocks are not working and replace them with new PCBs. Repairing the broken PCBs are not necessary. Keep the broken PCBs and return them to service center or R&D center.
  • Page 46 Trouble Shooting Caution 1 !! When disconnecting / connecting connectors, you MUST turn “OFF” the AC power and check the direction and position of the connectors before working. Caution 2 !! Whenever you reassemble connectors connecting High Voltage Board and POWER PCB (CN805, CN806), remaining voltage still exists in the POWER PCB could cause electric shock and damage the set.
  • Page 47 Trouble Shooting 11-1. No Signal or No Raster -47-...
  • Page 48 Trouble Shooting 11-2. No Sound -48-...
  • Page 49 Trouble Shooting 11-3. Shut Down -49-...
  • Page 50 Trouble Shooting A) Low Voltage Shut Down -50-...
  • Page 51 Trouble Shooting B) Z-SUS, Digital B/D, Data B/D Shut Down -51-...
  • Page 52 Trouble Shooting C) Y-SUS, Scan B/D Shut Down -52-...
  • Page 53 Trouble Shooting D) High Voltage Shut Down -53-...
  • Page 54 Trouble Shooting 11-4. No Key Operation -54-...
  • Page 55 Trouble Shooting 11-5. No Remote Control Operation -55-...
  • Page 56 Trouble Shooting 11-6. No Key and Remote Control Operation -56-...
  • Page 57 Trouble Shooting 11-7. Abnormal Discharge -57-...
  • Page 58 Trouble Shooting 11-8. Not Even Weak Discharge 11-9. Particular Input Signal(Video, PC, TV, or Component) Does Not Work -58-...
  • Page 59 Trouble Shooting 11-10. Others A) Set Is Making Unusual Noise -> Check the connection of Power PCB and Module. If they are OK, replace the Power PCB and check the symptom again. B) Occasionally, the set does not operate normally. Turning off and on the AC power make the set to operate normal again ->...

  • Page 60: Assembly List

    CONNECTOR YH396-09V+YH396-10V+YH396-04+ULW=160 4850708S24 CONNECTOR YH396-08V+YH396-08+ULW=850 4850701S30 CONNECTOR 90017TS+90017TS=ULW=280 4850712S03 CONNECTOR 12505HS-12+12505HS-12+USW=850 48599DM001 CORD POWER AS EU LP-33+LS-60=2.0M(LF) (DPP-42A1GCSB) 48599PM003 CORD POWER AS UK LP-61L+LS-60=2.0M (DPM-42A1GCSB) 4855553900 DECO SENSOR 5PZCAT3035 FILTER EMI ZCAT3035-1330 5PZCA2009A FILTER EMI ZCAT2035-0930A PTFEPWG122 FILTER EMI AS...
  • Page 61 Assembly List PCB ASS’Y CODE ASS’Y NAME ASS’Y DESCRIPTION 4850M10710 MODULE POWER 1H308W PTMPMSG127 PCB MAIN MANUAL AS DPP-42A1GCSB PTSBMSG122 PCB SUB MANUAL AS DPP-42A1LCSB 485A106070 SHIELDRON (5 AND 3)X85X1T(ANGLE) 485A106270 SHIELDRON 41X53X18T 48A8311800 SPEAKER SYSTEM SS-63A02RC 485A100071 TAPE EMI CU+NI T0.13 VER1...

  • Page 62: Structure Of Pdp Set

    13. STRUCTURE OF PDP SET -62-...
  • Page 63 STRUCTURE OF PDP SET COMPONENT PICTURE REMARK 1). PDP MODULE (With F/SUPPORT) 1a) Y-SUS B/D 1b) Z-SUS B/D 1c) X LEFT B/D ASSY -63-...
  • Page 64 STRUCTURE OF PDP SET COMPONENT PICTURE REMARK 1d) X RIGHT B/D ASSY 1e) Y DRV B/D ASSY 1f) CTRL B/D ASSY 2) MAIN BOARD -64-...
  • Page 65 STRUCTURE OF PDP SET COMPONENT PICTURE REMARK 3) SUB BOARD 4) POWER BOARD 5) FRONT MASK 6) FILTER GLASS -65-...
  • Page 66 STRUCTURE OF PDP SET COMPONENT PICTURE REMARK 7) BACK COVER -66-...

  • Page 67: Exploded View

    14. EXPLODED VIEW -67-...
  • Page 68 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : Dec. 2006...

  • Page 69: Pdp Module

    PDP MODULE SERVICE MANUAL MODEL : PDP42X3#### CAUTION 1. BEFORE SERVICING THE PDP MODULE, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. 2. WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER.
  • Page 70 [PDP42X3#### Module] CONTENTS Safety Precautions Technical Feature Formation and Specification of Module 1. Formation of Module 2. Information of Boards 3. Label information of Module Adjustment Trouble Shooting 1. Checking for No Picture 2. Hitch Diagnosis Following Display Condition 2-1. 1/2 of the screen doesn’t be shown 2-2.

  • Page 71: Safety Precautions

    . Safety Precautions When servicing of PDP Module, it should be not enforced (9) If the power cable is damaged, or if the connector is loose, into another way aside next rule, or a unaccustomed person do not use the product : otherwise, this can lead to fire or should not repairing.
  • Page 72 (10) In order to protect static electricity due to C-MOS circuitry of (21) This product has a glass display surface. Design your the Drive part, wear a wrist band to protect static electricity system so that excessive shock and load are not applied to when handling.
  • Page 73 3. Warning label for PDP Module 2) Safety precautions on Module (1)High Voltage 1) PCB Warning label WARNING (1)Warning HIGH HAZARD VOLTAGE. WARNING VOLTAGE DO NOT TOUCH ELECTRIC POINT. Warning against any dangers under certain circumstance. Warning against the danger of electric shock when touching due to dangerous high voltage.

  • Page 74: Technical Feature

    Technical Feature PDP Module is a display device to be divided into a Panel part and a Drive part. The Panel part consists of Electrodes, Phosphor, various dielectrics and gas, and the Drive part includes electronic circuitry and PCB. PDP42X3#### model produced in the LG electronics is 42inches color Plasma display module of Wide XGA(1024(H) x 768(V)), and it is a display device giving concrete to bright image by using AC Plasma technology of LG electronics.

  • Page 75: Formation And Specification Of Module

    Formation and Specification of Module 1. Formation of Module Connector Input Voltage & Signal P1 [Y SUS B/D] 5V, Va, Vs P152 [Y SUS B/D] 5V, Va P1 [Z SUS B/D] 5V, Va, Vs P7 [CTRL B/D] P4 [CTRL B/D] Video Signal Part No Description...
  • Page 76 Note SPECIPICATION Part No. 6850QV0006A Y B/D<-->CTRL B/D P=0.5MM 50PIN L180MM AU PLATING 6850QX0014P X B/D <-->CTRL B/D P=0.5MM 60PIN L60MM AU 6631Q12005N 1.25MM PITCH 12PIN L360MM UL1061-28AWG YEON-HO 6631Q15003F 1.5MM PITCH 7PIN L150MM UL1061-26AWG YEON-HO...

  • Page 77: Information Of Boards

    2. Information of Boards 1) 42X3 PDP Module 2) CTRL B/D 3) Y SUS B/D...
  • Page 78 4) Z SUS B/D 5) Y DRV B/D 6) XL, XR B/D...

  • Page 79: Label Information Of Module

    3. Label Information of Module 1) Identification Label...
  • Page 80 2) Warning & Caution Label (High Voltage, Hot Surface, Mechanical Hazard) 3) Safety Approval Label 4) Serial No. of Frame 5) Voltage Label (Model Name & Operational Voltage) 7 cm 2. 5 cm...

  • Page 81: Adjustment

    . Adjustment 1. Application Object 3. Adjustment after Assembling This standard is applied to the PDP42X3#### PDP Module 3-1. Using Tools which is manufactured of PDP promotion department or elsewhere. Conditions of aging are as follows. (1) Digital oscilloscope : More than 200MHz (2) DVM(Digital Multimeter) : Fluke 187 or similar one 2.
  • Page 82 (4) Y set-up voltage waveform adjustment. Turn the VR3 on Y SUS B/D so that Vsp voltage A of (Fig. 2) be 150 1V. (5) Y set-down voltage waveform adjustment. Turn the VR2(Set _dn_Vy)on Y SUS B/D so that waveform A of (Fig. 2) be 10 5 . 3.
  • Page 83 <Caution> (1) The power of the signal generator should be turned on before turning on the power of DC power supply. (2) The voltage of DC power supply, in standard of Module input voltage, should be preset as below. (Vs dc : 180V, Va dc : 60V, 5V dc :5V) (3) The power of power supply must turned ON/OFF by this sequence.

  • Page 84: Trouble Shooting

    . Trouble Shooting 1. Checking for No Picture A screen doesn’t display at all and condition of black pattern or power off. (1) Check whether the CTRL B/D LED(D12, D13, D14) is turned on or not. (2) Check the power and signal cable of CTRL B/D. (3) X B/D, Y B/D, Z B/D is well plugged in.

  • Page 85: Hitch Diagnosis Following Display Condition

    2. Hitch Diagnosis Following Display Condition 2-1. 1/2 of the screen doesn’t be shown Screen display form (Anything of the 16 Data TCP can be shown beside below pictures) (1) Check the power connector of X B/D, corresponding to the screen failure part.

  • Page 86: Screen Doesn't Be Shown At All As Scan Fpc

    2-5. Screen doesn’t be shown at all as 2-6. Regular stripe is generated at regular Scan FPC. internal on the whole screen. (A vertical stripe flash at especial (1) It’s may be a problem between Scan FPC and Y DRV B/D. color) (2) Check the connection of Y DRV B/D and Scan FPC.

  • Page 87: The Screen Has One Several Vertical Line

    2-8. The screen has one several vertical 2-11. The screen displays other color line. partially on full white screen or happens Mis-discharge partially on (1) In this case, It isn’t a problem about CTRL B/D or X B/D. full black screen. (2) It may cause followings.

  • Page 88: Checking For Component Damage

    3. Checking for Component Damage (2) When Set_Down FET/Pass_Top FET(1st, 3rd, 4th, 5th FFT of HS2 ) is damaged, Mis - discharge of entire screen is generated. Test Point : Enlarge after measuring 3-1. Y IPM(IC18) or Z IPM(IC2) Damage GND ~ Waveform(Y DRV B/D) Wave format : As shown fig.

  • Page 89: Scan Ic(Y Drv B/D : Ic1~10) Damage

    3-3. SCAN IC(Y DRV B/D : IC1~10) Damage (1) In case of SCAN IC poor, one horizontal line may open at screen. Test Point: Enlarge after measuring GND ~ Output ICT on Y DRV B/D Wave format : As shown fig. 4 <Fig.

  • Page 90: Crystal(Ctrl B/D : X1) Damage

    (2) In case of IC damage, corresponding IC inside of TCP, (2) In case of unusual launch of the Crystal, it may blink the pictures by IC unit inside of TCP will not appear or Mis - screen. discharge. In most cases, the burnt mark can be seen Test Point : Enlarge after Measuring when IC failure occurs.

  • Page 91: Critical Components List

    Critical Components List (1) The critical components list of PDP42X3#### Model is as below. (2) A component of mark is important to keep product’s security. Therefore in exchanging a component, appointed component is necessary used. is an abbreviated word which is instead of <Safety>mark.

  • Page 93: Records Of Revision For Boards, Components And Rom Data

    Records of Revision for Boards, components and ROM DATA 1. Boards Date Board Note Part Number 2005.09.27 CTRL B/D ASSY(LVDS) Initial Product 6871QCH077A 2005.09.27 Y DRV B/D ASSY Initial Product 6871QDH117A 2005.09.27 Y SUS B/D ASSY Initial Product 6871QYH053A 2005.09.28 Z SUS B/D ASSY Initial Product 6871QZH056A...
  • Page 94 2. COMPONENTS Date Board Note Part Number 2005.10.01 Y SUS IPM(IC18) Initial Product 4921QP1041A 2005.10.01 Z SUS IPM(IC2) Initial Product 4921QP1041A 2005.10.01 Pass TOP/Reset heat-sink Ass y Initial Product 4921QF5005A 2005.10.01 DDPACK (PS101) Initial Product 6871QEH029A 2005.10.01 DDPACK (PS102) Initial Product 6871QEH023G 2005.10.01 MCM LGPCMx05A...
  • Page 95 3. ROM DATA Date Contents ROM Data Version 2005.05.01 External Type LVDS Initial ROM Data 50X3ST01B...
  • Page 96 November, 2005 GPN05SM002D Printed in Korea...

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