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XOCECO PS-32HU35 Service Manual

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PDP TELEVISION
PS-32HU35

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Summary of Contents for XOCECO PS-32HU35

  • Page 1 PDP TELEVISION PS-32HU35...

  • Page 2: Table Of Contents

    CONTENTS Safety precautions………………………………………………………………………..… Alignment instructions …………………………….…….………………………………… Working principle analysis of the unit……………………………….………….…………. Block diagram…………………………………..………………………………….………… IC block diagram………………………………………………………………………..…… Wiring diagram ……………………………………………………………………………. Troubleshooting guide ………………………………………………………………..…… Schematic diagram………………………………………………………………………… APPENDIX-A: Assembly list APPENDIX-B: Exploded View...

  • Page 3: Safety Precautions

    Attention: This service manual is only for service personnel to take reference with. Before servicing please read the following points carefully. Safety precautions Please read the “Points for attention for the Maintenance & Repair of PDP” and “Criterion for Identifying the Defects on Screen” as below, before inspecting and adjusting the TV set. 1.
  • Page 4 narrow and in bad ventilation. 1.10 There are quite a number of circuits in PDP that are integrated ones. Please be on guard against static electricity. During maintenance operation be sure to cover yourself with anti-static bag and before operation make sure to have it sufficiently grounded. 1.11 There are a big number of connection wires distributed around the screen.

  • Page 5: Alignment Instructions

    too big screw. 1.20 Care must be taken to guard against dust during assembling or dismantling, especially to avoid dirt from falling in between the screen and the glass lest it should harm the receiving and viewing effect. 1.21 There is piece of insulator stuck on the rear chassis corresponding to the power supply board. It is used to isolate the cool part from the hot part.
  • Page 6 set ISP back to 0. If the picture can’t display when upgrading, it needs to weld JB1 on the main board. Please disconnect JB1 again after upgrading. 3.1 Initialization Enter factory menu, select “OPTION”, “EEPROM” and “HOTEL OPTION” sub-menu, adjustment of items to see table1.
  • Page 7 normal, if not, enter COLOR TEMP menu, set ALL COLOR to 0 and fine adjust according the method of 3.3.1 c) b. connect VG-848 signal of YPBPR to YPBPR terminal and input TIMING972(1080i/60HZ) 100% color bar of PAT976(include black/white bar), Enter submenu of ADC ADJ, Select AUTOTUNE and wait for OK display.

  • Page 8: Working Principle Analysis Of The Unit

    Working principle analysis of the unit The RF signal received by antenna will be sent to tuner TUNER101, then IF signal will be obtained through high amplifier and mixed frequency, through pre-intermediate amplified by V101, then it will be sent to acoustic surface-wave Z102 to do IF filter and get better IF characteristics, then it will be sent to N101 (R2S10401) to do intermediate amplification, phase-locked loop VCO and synchronous wave detection to get composite video signal TV-VIDEO;...

  • Page 9: Block Diagram

    Block diagram EDID EDID 24C02 24C02 POWER MEG. ATMEG8L HDMI FLASH YPbPr LCD TV EEPROM CONTROLLER AV1-V AV2-V HDCP KEY MST9U19A PANEL VGA-L/R AV1/YPbPr-L/R AUDIO AMP. AV2-L/R R2S15102 RS232 MAX232 TUNER SPEAKER TV-V IF AMP R2S10401 TV-SIF L/R-AV OUT LM358 CVBS 2*AMP V-AV OUT...

  • Page 10: Ic Block Diagram

    IC block diagram MST9U19A: 4, 5, 7, 8, 10, 11, 1, 2: HDMI input 135: search station synchronizing check input 16, 17: H/V synchronizing input 154: HDMI hot-plug check output 27, 25, 22: RGB input 145: standby control output 30, 32, 35: YPbPr input 148: picture on/off output 42, 43: S-VIDEO input 149: mute control output...
  • Page 11 R2S10401:...
  • Page 12 1, 2: VIF input 23: SIF input 7: TV-CVBS output 10: TV-SIF output 17: SDA 18: SCL R2S15102NP: 5, 11: L/R input 1, 15: L/R output 13: mute control input...

  • Page 15: Wiring Diagram

    Wiring diagram...

  • Page 16: Troubleshooting Guide

    Trouble shooting 1. No raster Turn on power supply, check if the red indicator is light in the STANDBY? Check if PIN9 (5V) of XS12 Press POWER button in the on the main board is normal? unit or sensor control and check the indicator.
  • Page 17 2. Raster, but no picture Check if the unit button Does display remote control menu in screen when operation? press menu button? Check channels have signal? HDMI/VGA/YPRPB Enter factory-menu, Which is no signal initialization EEPROM, of channels? Replace then turn off the TV, main board turn on again, display Replace...
  • Page 18 3.no sound Check if PIN2, 3,13 and Check PIN5 14 voltage of NV4 is PIN11 output wave of Replace NV4 normal? Check power supply Check PIN10 wave of Replace NS2 N101 Replace N101 Check PIN11 wave of TUNER Replace TUNER...

  • Page 19: Schematic Diagram

    main board...
  • Page 20 main board...
  • Page 21 main board...
  • Page 22 main board...
  • Page 23 main board...
  • Page 24 key board IR board...
  • Page 25 APPENDIX-A: Main assembly 9432HU3512 MAIN COMPONENT AND IT'S NO. NAME N101 R2S10401 (5271040101) Main board 6HU06801E0 R2S15102 (5271510201) MST9U19A (5270019001) IR board 6HU0660910 Key board 6HU0660510 Remote control RC-Y57-0A 6010Y05701 PDP32F1 Panel 5205321201 APPENDIX-A: Main assembly 9432HU3514 MAIN COMPONENT AND IT'S NO. NAME N101 R2S10401...

  • Page 26: Appendix-B: Exploded View

    APPENDIX-B: Exploded view (PS-32X35)
  • Page 27 PART LIST OF EXPLODED VIEW EDSCRIPTION front cabinet fiter glass panel push board main frame push board main board socket wall mounting bracket back cabinet speaker connection right speaker stand speaker back cover back baffle left speaker connection bracket push board power socket push board decorative bar...
  • Page 28 9432HU3512 Ver.1.0...

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