Panasonic PDP 2008 models Troubleshooting Manual
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Panasonic PDP 2008 models Troubleshooting Manual

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This service hint is published for technicians and engineers for repair.
And it gives you the information how to judge the defective board of PDP.
In the future,we will improve the contents for more easy diagnostic and
trouble shooting.
<PDP 2008 Models>
TH-50PZ850U
Order No. ITD0805031BE
TH-50/46PZ850U
TH-50/46/42PZ800U
TH-50/46/42PZ85U
TH-50/46/42PZ80U
TH-50/42PX80U
- Ver 1.1-
2008

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Summary of Contents for Panasonic PDP 2008 models

  • Page 1: Troubleshooting Guide

    Order No. ITD0805031BE <PDP 2008 Models> TH-50/46PZ850U TH-50/46/42PZ800U TH-50/46/42PZ85U TH-50/46/42PZ80U TH-50/42PX80U - Ver 1.1- TH-50PZ850U Troubleshooting Guide This service hint is published for technicians and engineers for repair. And it gives you the information how to judge the defective board of PDP.

  • Page 2: Table Of Contents

    1. 2008 PDP Line up & Feature Comparison ---------------------------------------------- P3 2. PCB Location & Function -------------------------------------------------------------------- P5 3. PCB List -------------------------------------------------------------------------------------------- P11 4. Block Diagram ----------------------------------------------------------------------------------- P13 5. Troubleshooting --------------------------------------------------------------------------------- P19 6. Appendix ------------------------------------------------------------------------------------------- P25...

  • Page 3: Pdp Line Up & Feature Comparison

    1. 2008 PDP Line up & Feature Comparison...
  • Page 4 1. 2008 PDP Line up & Feature Comparison PZ850 Series PZ800 Series PZ85 Series PZ80 Series PX80 Series o i t 50/46 50/46/42 50/46/42 50/46/42 5,120 5,120 30,000:1 30,000:1 30,000:1 20,000:1 15,000:1 Digital Cinema Color l l o Super Slim Speaker, Super Slim Speaker, Full-range Speaker Full-range Speaker...

  • Page 5: Pcb Location & Function

    2. PCB Location & Function...
  • Page 6 2. PCB Location & Function (1) PZ850 Series ＴＨ－５０ＰＺ８５０ ＴＨ－５０ＰＺ８５０ ＴＨ－４６ＰＺ８５０ ＴＨ－４６ＰＺ８５０ P(AC) P(AC) P(MAIN) P(MAIN) GL GS GH GL GS GH Board Name Function Part Number Board Name Function Part Number Power Supply （ MAIN ） ETX2MM704MGH Power Supply （ MAIN ） ETX2MM704MGH Power Supply （...
  • Page 7 2. PCB Location & Function (2) PZ800 Series ＴＨ－５０ＰＺ８００ ＴＨ－５０ＰＺ８００ ＴＨ－４６ＰＺ８００ ＴＨ－４６ＰＺ８００ ＴＨ－４２ＰＺ８００ ＴＨ－４２ＰＺ８００ P(AC) P(AC) P(MAIN) P(MAIN) GL GS GH GL GS GH GL GS GH Board Name Function Part Number Board Name Function Part Number Board Name Function Part Number Power Supply （...
  • Page 8 2. PCB Location & Function (3) PZ85 Series ＴＨ－５０ＰＺ８５ ＴＨ－５０ＰＺ８５ ＴＨ－４６ＰＺ８５ ＴＨ－４６ＰＺ８５ ＴＨ－４２ＰＺ８５ ＴＨ－４２ＰＺ８５ P(AC) P(AC) P(MAIN) P(MAIN) Board Name Function Part Number Board Name Function Part Number Board Name Function Part Number Power Supply（MAIN） Power Supply（MAIN） Power Supply ETX2MM702MF ETX2MM704MGL ETX2MM704MGL Power Supply（AC）...
  • Page 9 2. PCB Location & Function (4) PZ80 Series ＴＨ－５０ＰＺ８０ ＴＨ－５０ＰＺ８０ ＴＨ－４６ＰＺ８０ ＴＨ－４６ＰＺ８０ ＴＨ－４２ＰＺ８０ ＴＨ－４２ＰＺ８０ P(AC) P(AC) P(MAIN) P(MAIN) Board Name Function Part Number Board Name Function Part Number Board Name Function Part Number Power Supply （ MAIN ） ETX2MM704MGH Power Supply （ MAIN ） ETX2MM704MGH Power Supply ETX2MM702MFN...
  • Page 10 2. PCB Location & Function (5) PX80 Series ＴＨ－５０ＰＸ８０ ＴＨ－５０ＰＸ８０ ＴＨ－４２ＰＸ８０ ＴＨ－４２ＰＸ８０ Board Name Function Part Number Board Name Function Part Number Power Supply Power Supply N0AE6JL00001 LSEP1260ANHB DC-DC Converter DC-DC Converter Speaker out Speaker out Sound Processor Sound Processor AV Terminal AV Terminal AV Switch...

  • Page 11: Pcb List

    3. PCB List...
  • Page 12 3. PCB List Board TH-50PZ850 TH-46PZ850 TH-50PZ800 TH-46PZ800 TH-42PZ800 TH-50PZ85 TH-46PZ85 TH-42PZ85 TH-50PZ80 TH-46PZ80 TH-42PZ80 TH-50PX80 TH-42PX80 P(MAIN) ETX2MM704MGH ETX2MM704MGH ETX2MM704MGH ETX2MM704MGH ETX2MM702MFH ETX2MM704MGL ETX2MM704MGL ETX2MM702MF ETX2MM704MGH ETX2MM704MGH ETX2MM702MFN N0AE6JL00001 LSEP1260ANHB P(AC) ETX2MM704MGB ETX2MM704MGB ETX2MM704MGB ETX2MM704MGB ETX2MM704MGA ETX2MM704MGA ETX2MM704MGB ETX2MM704MGB ---- ---- ----...

  • Page 13: Block Diagram

    4. Block Diagram...
  • Page 14 4.Block Diagram Signal Processing Circuit (1) TH-50PZ850 <PCB Function> IC4503 IC3801 HDMI 4 IC4510 HDMI 3 HDMI 2 HDMI 1 Digital IC8300 Analog Tuner IC9300 IC5100 Analog IC9400 Video in IC8001 IC3001 Comp in Monitor out Discharge Control for SC Video in IC9500 Discharge Control...
  • Page 15 4.Block Diagram Signal Processing Circuit (2) TH-50PZ800 <PCB Function> IC4503 IC3801 HDMI 4 IC4510 HDMI 3 HDMI 2 HDMI 1 Digital IC8300 LVDS Analog Tuner IC9300 IC4200 Analog IC9400 IC8001 Video in IC3001 Comp in Monitor out Discharge Control for SC IC9500 Discharge Control IC1100...
  • Page 16 4.Block Diagram Signal Processing Circuit (3) TH-50PZ85 <PCB Function> IC3801 HDMI 3 IC4510 HDMI 2 HDMI 1 Digital IC8300 Analog Tuner IC9300 IC4200 Analog IC9400 IC8001 Video in IC3001 Comp in Monitor out Discharge Control for SC IC9500 Discharge Control IC1100 Video in for SS...
  • Page 17 4.Block Diagram Signal Processing Circuit (4) TH-50PZ80 <PCB Function> IC3801 HDMI 3 IC4510 HDMI 2 HDMI 1 Digital IC8300 Analog Tuner IC9300 IC4200 Analog IC9400 IC8001 Video in IC3001 Comp in Monitor out Discharge Control for SC IC9500 Discharge Control IC1100 Video in for SS...
  • Page 18 4.Block Diagram Signal Processing Circuit (5) TH-50PX80 <PCB Function> IC3801 HDMI 3 IC4510 HDMI 2 HDMI 1 Digital IC8300 Analog Tuner IC9900 Analog IC8001 Video in IC3001 Comp in Monitor out Discharge Control for SC IC9500 Discharge Control IC1100 Video in for SS IC3801 (GH Board) IC4510 (A Board)

  • Page 19: Troubleshooting

    5. Troubleshooting...
  • Page 20 5. Troubleshooting Picture Problem (1-1) (except PX80 series) <Symptom> Abnormal Picture (All over the screen) <Trouble Picture Example> <Caused Possibility> A, D Board <Diagnosis Procedure> 1. Disconnect A5 connector 2. Enter to the Test pattern c i t <Counter Measure> After disconnect A5 connector Can you see the then Power ON.
  • Page 21 5. Troubleshooting Picture Problem (1-2) (except PX80 series) < > Waveform 4,5,6,7 IC4503 IC4510 IC3801 HDMI 4 HDMI 3 LVDS HDMI 2 Waveform 1 IC9300 IC4200 IC8001 HDMI 1 IC9400 Digital IC8300 Analog Tuner Analog Video in Waveform 2,3 IC3001 Comp in Video Data Discharge Control...
  • Page 22 5. Troubleshooting Picture Problem (2) <Symptom> Electronic Abnormal Discharge Picture (All over the screen) <Trouble Picture Example> <Caused Possibility> SC, SU, SD Board <Diagnosis Procedure> Disconnect SU or SD Board <Counter Measure> <Block Diagram> Connect SU board, Disconnect SD Disconnect SU board from board from SC board then SC board then Power ON.
  • Page 23 5. Troubleshooting Picture Problem (3-1) <Symptom> Abnormal Picture, Vertical Line (Corner Area, Some part of the screen) <Trouble Picture Example> <Caused Possibility> D, C Board, Plasma Panel (*2) <Counter Measure> Is a few thin vertical line (*2) displayed on the screen? (*1) (*1) Regarding idea of diagnosis for vertical line problem,...
  • Page 24 5. Troubleshooting Picture Problem (3-2) < > Model No: TH-50 / 46PZ850, TH-50 / 46PZ800, TH-50 / 46PZ85, TH-50 / 46PZ80 Model No: TH-42PZ800, TH-42PZ85, TH-42PZ80 Panel Type: 1080p resolution panel Scan System: Single Scan Drive Panel Type: 1080p resolution panel Scan System: Single Scan Drive Cable DET Cable DET...

  • Page 25: Appendix

    6. Appendix...
  • Page 26 6. Appendix Diagnosis by Test Pattern (1) (except PX80 series) <Purpose> In case of PDP, the picture problem at all over the screen (Picture Noise, Full Vertical Line) is mainly caused by D or A board defective. This Test Pattern is able to diagnose D or A board. Because, D board had Test Pattern.
  • Page 27 6. Appendix Diagnosis by Test Pattern (2) (except PX80 series) <Purpose> In case of No picture problem (Sound OK), the defective board is mainly A or D board. But in this case, Test Pattern isn’t useful for diagnosis. Because, this symptom can not display OSD and not enter to the Service Mode.
  • Page 28 6. Appendix Idea of diagnosis for Vertical Line NG Area (Front view) case2 case1 A number of blocks Thin vertical line Panel no lighting or 1 block no lighting case1 case2 (*1) (*1) 1 Line 1 Block 2 Blocks PDP Panel PDP Panel Buffer IC Buffer IC...

This manual is also suitable for:

Th-50pz850uTh-46pz850uTh-50pz800uTh-46pz800uTh-42pz800uTh-50pz85u ... Show all

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