Daewoo DPX-32F1BMB Service Manual
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Daewoo DPX-32F1BMB Service Manual

Daewoo DPX-32F1BMB Service Manual

32" plasma pdp tv chassis sp-901x
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Service Manual
32" PLASMA PDP TV
CHASSIS :
Model :
DPX-32F1BMB
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. : TSP901XEF1
SP-901X

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Summary of Contents for Daewoo DPX-32F1BMB

  • Page 1 32" PLASMA PDP TV CHASSIS : SP-901X Model : DPX-32F1BMB 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 3 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, after checking 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. MODL NO DPX-32F1BMB 1-2. CHASSIS NO SP-901X 1-3. SCREEN SIZE 32”(16:9) 1-4. COUNTRY Middle & South America 1-5. RESOLUTION 852(H) X 480(V) 1-6. REMOCON TYPE R-55F06 1-7. SAFETY STANDARD 1-8 .TUNING METHOD...
  • Page 5 Product Specification ITEM SPECIFICATION REMARK 3-9. POWER CONSUMPTION 200 W 3-10.Phone Jack(Upgrade) S/W Upgrade 3-11. AV OUTPUT CVBS, SOUND R/L 1 Port 3-12. FUNCTION 1) SCALING HDMI : Screen Mode(16:9, 4:3) PC : Screen Mode(16:9, 4:3), H/V Position, Auto) TV / AV : Screen Mode(16:9, 4:3, LB(16:9), LBS(16:9), 14:9, LB(14:9), LBS(14:9) COMPONENT : Screen Mode(16:9, 4:3) 2) OSD Language...
  • Page 6 Product Specification 2-2. Available Input Signal 1) PC&HDMI Resolution H.Freq.(kHz) V.Freq.(Hz) Remark HDMI 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 60.004 VESA...

  • Page 7: The Feature Of Inside

    3. The Feature of Inside 3-1. Main PCB’s Connection Diagram (Y/C, CVBS) PC851 IC201 DDR SDRAM J301 J855 IC101 IC202 PW338B DDR SDRAM IC401 FLASH 16M TO PDP MODULE PCB MAIN SP-901X From PWR J151 From PWR IC751 MSP4650K TU901 IC701 TUNER PA103...
  • Page 8 The Feature of Inside 3-3. Power Specification...

  • Page 9: Default Setting In User Menu Osd

    4. Default Setting in User Menu OSD 4-1. Picture 1) Mode Normal Dynamic Cinema User Brightness Undefined Contrast Undefined Sharpness Undefined Colour Undefined Tint Undefined * HDMI & PC Input - Only brihgtness and contrast are available. 2) Default Value of Other Functions Function Default Value Colour Temp...
  • Page 10 Default Settinf in User Menu OSD 4-3. Screen 1) Mode 16 : 9 4 : 3 LB (16:9) LBS (16:9) 14 : 9 LB (14:9) LBS (14:9) Component HDMI * H. Position, V. Position, and Auto screen size is available in only PC mode. 4-4.

  • Page 11: Service Mode

    5. Service Mode To enter SERVICE MODE, A. Press “ VOL” -> “MUTE ” -> “RECALL” -> “MUTE” button of remote controller (R-55F06) 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 12 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. 5-3.
  • Page 13 Service Mode 5-7. Panel Function Sync Mode Bright Mode Power Mode Gamma Mode Panel Temp Default Value AUTO 100% 100% 2.2N **.* Panel Temp indicates the current temperature of the panel. 5-8. Reset Level 1 - Resets all data in E PROM other than HDCP key, EDID, RGB offset and YPbPr offset of FrontEnd_1.

  • Page 14: Adjusting Method

    6. Adjusting method 6-1. MODULE POWER Adjustments and Test Point Locations Video pattern condition : 100 IRE Full White Pattern Adjust voltages (Vadd, Vsus) to the values that module maker labeled on the PDP panel. 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 15 Adjusting method 4) Attach a sensor of White Balance Meter (CA-100) to 80% of white level on the screen. 5) Adjust White Balance by varying Gain of R, G, B • Gain of R, G, B should be adjusted to DP ±10, if out of these range then classify as a fault. •...

  • Page 16: Noticeable Points While Assembling

    7. Noticeable Points While Assembling -16-...
  • Page 17 Noticeable Points While Assembling -17-...

  • Page 18: Software Upgrade Methord

    8. Software Upgrade Methord 8-1. Pic upgrade PICkit 2 Micro Controller Programmer PICkit 2 Connector Pinout -18-...
  • Page 19 Software Upgrade Methord 1) Main pcb Power off 2) Connecting the Pic upgrade board to Main pcb as shown below -19-...
  • Page 20 Software Upgrade Methord 3) Run PICkit 2 Microcontroller Programmer 4) Please confirm if pickit 2 microcontroller programmer deteced device(PIC16F690) appropriately or not -20-...
  • Page 21 Software Upgrade Methord 5) Importing HEX file for upgrade -21-...
  • Page 22 Software Upgrade Methord 6) Write Click. 7) Plese remove Pickit2 upgrade board when complet massage is come out -22-...
  • Page 23 Software Upgrade Methord 8-2. Flash Upgrade Flash Upgrade JIG 1) Installing CDM Driver • Download the latest available CDM drivers from the FTDI web site and unzip them to a location. • Connect the device to a spare USB port on your PC. Once the composite driver has been installed Windows Found New Hardware Wizard will launch.
  • Page 24 Software Upgrade Methord • Select “Search for the best driver in these locations” and enter the file path in the combo-box (ex.“E:￦CDM 2.00.00”in the example below) or browse to it by clicking the browse button. Once the file path has been entered in the box, click next to proceed. •...
  • Page 25 Software Upgrade Methord • The Found New Hardware Wizard will launch automatically to install the COM port emulation drivers. As above, select “No, not this time” from the options and click “Next” to proceed with the installation. • Select “Install from a list or specific location (Advanced)” as shown below and then click “Next”.
  • Page 26 Software Upgrade Methord • The following screen will be displayed as Windows XP copies the required driver files. • Windows should then display a message indicating that the installation was successful. Click Finish to complete the installation for the first port of the device. •...
  • Page 27 Software Upgrade Methord • Connect USB cable to the USB port of the computer. • Connect the phone jack cable the service port of set. • Run Flashupgrader.exe in the PC to excute the program as shown below. • Select current Upgrade file i) Click “Choose ...
  • Page 28 Software Upgrade Methord • Turn on the power and then upgrade program will start the download as shown below. • When the upgrading is complete, a window (below) will be opened. Press “Finish” button to complete the process. -28-...

  • Page 29: Troubleshooting

    9. 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. - This Trouble Shooting list only contains representative and simple PCB trouble diagnosis and Module Exchange method.
  • Page 30 Trouble shooting - Caution 1 !! When disconnecting / connecting connectors, you MUST disconnect 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, remaining voltage still exists in the POWER PCB could cause electric shock and damage the set.
  • Page 31 Trouble shooting 9-1. No Signal or No Raster Check Start Check AC connection Is a weak discharge Does "No Signal" Check P812, P814 detected in the screen? screen appear? connectors Check LVDS connection Is LVDS connection Check the connection of Is the signal input Jack between CTRL B/D and Jack (PDP and AV device)
  • Page 32 Trouble shooting 9-2. No Sound Check start Is an image Go to the section of Display on ’No image’ Screen? Connect the jack and Is the sound jack of external check the sound device properly connected? again Cancel the mute and Is mute key check the sound pressed?
  • Page 33 Trouble shooting 9-3. Shut Down Check Start Disconnect AC power Open BACK COVER Disconnect P812 and P814 of Power PCB Connect AC power (Stand By) Turn on the set (Green LED) Is ’SHUT DOWN’ occurred? Replace POWER Module Disconnect AC power Connect P814 Connect AC power (Stand By) Turn on the set (Green LED)
  • Page 34 Trouble shooting A) PDP Module Shut Down Check Start Disconnect AC power Disconnect P814 & Connect P812 Disconnect P1, P2 in Ysus B/D and P10 in Zsus B/D Turn on the set after connection AC power Is ’SHUT DOWN’ occurred? Replace Ysus &...

  • Page 35: No Key Operation

    Trouble shooting 9-4. No Key Operation Check Start Connect AC power Does LED turn on to Check the AC connection red light? Turn on the set using remote control Does LED turn on to Replce the Main B/D Green light? Check the connector of Key PCB Replace the Key PCB Check if the Key is...

  • Page 36: No Remote Control Operation

    Trouble shooting 9-5. No Remote Control Operation Check Start Connect AC power Does LED turn on to red light? Check the AC connection Turn on the set using remote control Check the other button of Does LED turn on to Green light? remote control Are all buttons Check the battery of...
  • Page 37 Trouble shooting 9-6. No Key and Remote Control Operation Check Start Check the battery of remote control Replace the LED PCB Connect AC power Try to turn on the set using remote control Is the remote control Replace the Key PCB working? Replace the Main B/D Done...
  • Page 38 Trouble shooting 9-7. Abnormal Discharge Check Start Check the Vs and Va of Power PCB Are they normal? Set the values to typical voltages Do you still see the weak Replace the Y-SUS discharge or abnormal discharge on the screen? Do you still see the weak Done discharge or abnormal discharge...
  • Page 39 Trouble shooting 9-8. Not Even Weak Discharge Check Start Is Power B/D working? Does it Replace the Power B/D make normal sound? Replace Y-SUS, Z-SUS, Is the set correctly working? and Scan B/D Done 9-9. Particular Input Signal(Video, PC, TV or Component) Does Not Work heck Start Is the Jack correctly onnect the input correctly...
  • Page 40 Trouble shooting 9-11. 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. Disconnecting and connecting the AC power make the set to operate normal again ->...
  • Page 42 11. Exploded View -42-...
  • Page 43 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : June. 2008...

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