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Panasonic TH-37PX60U Technical Manual
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Panasonic TH-37PX60U Technical Manual

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See also: Service Manual
Technical Guide
th
9
Generation Plasma Display
Troubleshooting Handbook
TH-37/42/50/58PX60 TH-42/50/58/65PX600
TH--42PD60U42
Panasonic Service and Technology Company
National Training

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Summary of Contents for Panasonic TH-37PX60U

  • Page 1 Technical Guide Generation Plasma Display Troubleshooting Handbook TH-37/42/50/58PX60 TH-42/50/58/65PX600 TH--42PD60U42 Panasonic Service and Technology Company National Training...

  • Page 3: Table Of Contents

    Diagnosis by Test Pattern When OSD is Available LED blinks 5 times (Quick Troubleshooting) Diagnosis by Removing the D5 Connector LED blinks 5 times (TH-37PX60U, TH-42PX60U and TH 42PX600U) Troubleshooting for Picture Trouble LED blinks 5 times (TH-50PX60U and TH 50PX600U)

  • Page 4: Troubleshooting Shutdown Problems

    1. Troubleshooting Shutdown Problems Power LED’s Response to Shutdown Operation <LED Blinking timing> 3.0sec (interval) Light No Light <Check point> Blinking Contents Check Point times Communication error D Board 15V line abnormality D Board (15V SOS) 3.3V line abnormality D Board (3.3V SOS) Power Supply abnormality P Board (Power SOS) 5V line abnormality...

  • Page 5: Led Blinks 1 Time

    LED blinks 1 time <Trouble Mode and Defective Board> Warning: Disconnect AC Power prior to Trouble Mode Defective Board making any disconnection or connection. Communication Error D Board <How to find the defective boards> In this case, the defective board is D board only. LED blinks 2 times (TH-37PX60, TH-42PD60U, TH-42PX60U\600U) <Trouble Mode and Defective Board>...

  • Page 6: Led Blinks 2 Times (Th-37Px60, Th-42Pd60U, Th-42Px60U \ 600U)

    LED blinks 2 times (TH-50PX60U\600U, TH-58PX60U\600U, TH-65PX600U) <Trouble Mode and Defective Board> Warning: Disconnect AC Power prior to Trouble Mode Defective Board (Possibility) making any disconnection or connection. 15V down SOS P, D, PA, SC, SS Board (P > PA, D, SC, SS) (*1) = The reference number of the sustain data connector is different in some of the models: <How to find the defective boards>...

  • Page 7: Led Blinks 4 Times

    LED blinks 4 times <Trouble Mode and Defective Board> Warning: Disconnect AC Power prior to Trouble Mode Defective Board making any disconnection or connection. Power Supply SOS Primarily P board or possible D board <How to find the defective boards> Turn the unit on.

  • Page 8: Led Blinks 5 Times (Th-37Px60U, Th-42Px60U And Th 42Px600U)

    LED blinks 5 times (TH-37PX60U, TH-42PX60U and TH 42PX600U) <Trouble Mode and Defective Board> Warning: Disconnect AC Power prior to Trouble Mode Defective Board making any disconnection or connection. 5V SOS D, P, C, SC, SS board or Panel (DDIC)*1 <How to find the defective boards>...

  • Page 9: Led Blinks 5 Times (Th-58Px60U And Th 58Px600U)

    LED blinks 5 times (TH-50PX60U and TH 50PX600U) <Trouble Mode and Defective Board> Warning: Disconnect AC Power prior to Trouble Mode Defective Board making any disconnection or connection. 5V SOS D, P, C, SC, SS board or Panel (DDIC)*1 <How to find the defective boards> Step 1 of previous page Connect D34.

  • Page 10: Led Blinks 5 Times (Th-65Px600U)

    LED blinks 5 times (TH-58PX60U and TH 58PX600U) <Trouble Mode and Defective Board> Warning: Disconnect AC Power prior to Trouble Mode Defective Board making any disconnection or connection. 5V SOS D, P, C, SC, SS board or Panel (DDIC)*1 <How to find the defective boards> Step 1 from previous page Go back Connect D33.

  • Page 11: Led Blinks 6 Times

    SS Board (*3) = The reference number of the sustain data connector is different in some of the models: TH-37PX60U = SS23 TH-42PD60U = SS23 TH-42PX60U = SS23 (*1) VSUS about 180V (Accurate voltage is provided on the Panel Label)

  • Page 12: Led Blinks 7 Times (All Models Except Th-58Px60/600U)

    LED blinks 7 times (all models except TH-58PX60/600U) <Trouble Mode and Defective Board> Warning: Disconnect AC Power prior to making any disconnection or Trouble Mode Defective Board (possibility) connection. SC Floating voltage SOS SC, SU, SD, P board (SC,SU,SD>D,P) <How to find the defective boards> Make sure the connectors P2/SC2, P23/SC23 SC20/D20 located are not loose and seated properly.

  • Page 13: Led Blinks 8 Times

    (*1) Place a jumper across pin 8 and 10 of connector P12. The unit will not enter the standby mode without the jumper. TH-37PX60U = SS23 TH-42PD60U = SS23 (*3) VSUS about 180V (Accurate voltage is written on the Panel Label of the chassis)

  • Page 14: Led Blinks 10 Times Before Pressing The Power Button

    <Trouble Mode and Defective Board> data connector is different in some of the models: Trouble Mode Defective Board TH-37PX60U = SS23 Tuner/ PA SOS PA, P, H, DG, SC, SS Board TH-42PD60U = SS23 TH-42PX60U = SS23 TH-42PX600U = SS23 <How to find the defective board(s)>...

  • Page 15: Led Blinks 11 Times

    <How to find the defective boards> Make sure that the connector P5 on the P board and connector PA5 on TH-37PX60U = SS23 the PB board are seated properly. TH-42PD60U = SS23 Warning: Disconnect AC Power...

  • Page 16: Led Blinks 12 Times (Th42/50/58Px600U)

    LED blinks 12 times (TH42/50/58PX600U) (*1) = See (*1) of <Trouble Mode and Defective Board> the previous page. Warning: Trouble Mode Defective Board (Possibility) (*2) = Remove the jumper Disconnect AC at CN SS34 and install it Power prior to Sound SOS Fan, PA Board across pin 8 and 10 of...

  • Page 17: No Picture From One Or All Inputs (Osd And Sound Ok)

    No Picture from one or all inputs (OSD and Sound OK) <Symptom> Warning: Disconnect AC Power prior to No Picture from one or all inputs (Sound OK) making any disconnection or <Models> connection. All models <How to determine the defective board> Is there no Program Out Analog...

  • Page 18: No Sound (Th-42Px600U)

    No Sound (TH-42PX600U) <Symptom> No Audio <Models> 50inch (HD Panel), 42/37inch (HD/SD Panel) <How to determine the defective board> Are the connectors Is there a sound Reseat the H1/DG1 and waveform at pin 13 connectors PA20/DG20 and 14 of IC2307 H1/DG1 and properly located on the PA...

  • Page 19: Troubleshooting For Picture Problems

    Troubleshooting for Picture Problems Diagnostic Method for Troubleshooting PDP Television <Introduction> 1. There are two kinds of picture problem 1) Abnormal picture 2) No picture 2. Basic concept of determining the defective board 1) Which area is the symptom displayed on the screen? A.

  • Page 20: Diagnosis By Test Pattern When Osd Is Available

    Diagnosis by Test Pattern When OSD is Available <Purpose> Picture problem such as “Picture Noise and or Vertical Line” displayed all over the screen is mainly caused by a defective D or DG board. The “internal Test Pattern Generator” can help determine whether to replace the D or DG board.

  • Page 21: Troubleshooting For Picture Trouble

    Troubleshooting for Picture Trouble <How to determine the defective board> Start Some part of the screen Upper half Where is the symptom SU Board (or D, or SC) displayed? *Note :Panel gas leakage Lower half Upper or Lower half (from front view) SD Board (or D, or SC) Both area SS Board (or D)

  • Page 22: Diagnosis For Picture Problem (All Over The Screen)

    Diagnosis for Picture Problem (All Over the Screen) <Diagnosis (1)> Enter the “Internal Test Pattern Generator” Is the screen “White”, after disconnecting the connector “D5”? (*1) <Result> <Result> displayed not displayed Test Pattern or White Picture Test Pattern or White Picture <Cause>...

  • Page 23: Diagnosis Of Vertical Line Problem

    Diagnosis for Picture Problem (All Over the Screen) <Diagnosis (3)> Confirm the waveform at “TPSC1” after removing the SU or SD Board from the SC Board <Result> Situation Condition Condition 2 Cause SU Board Bottom half of Disconnect Board Waveform (Connect SD) Picture OK? Upper half of...

  • Page 24: Picture Trouble At Upper Or Lower Half

    Picture Trouble at Upper or Lower half <Symptom> <Actual Symptom> No Picture, Picture noise, Full Horizontal line, etc. Symptom : Horizontal line (Lower side) Result : SD board <Models> 50inch (HD Panel), 42/37inch (HD/SD Panel) <NG Area> (Front view) Symptom : Horizontal line (Upper side) Result : D board...

  • Page 25: Picture Trouble At Right Or Left Half (42/37 Inch)

    Picture Trouble at Right or Left half (42/37 Inch) <Symptom> <Symptom> <Actual Symptom> No Picture, Picture noise, Full Vertical line, etc. Symptom : Vertical line Result : Panel <Models> 42/37inch (HD/SD Panel) <NG Area> (Front view) <Defective board> Trouble at Right half : D or C1 board (Panel) defect Trouble at Left half :...

  • Page 26: Picture Trouble All Over The Screen

    Picture Trouble all Over the Screen <Symptom> <Symptom> <Actual Symptom> Picture noise, Full Vertical line, etc. Symptom : Vertical line (All over screen) Result : D board <Models> 42/37inch (HD/SD Panel) <NG Area > (e.g. 42/37inch Panel) (Front view) Symptom : White balance NG Result : D board...
  • Page 27 Picture Problem (All over the screen) <Symptom> Noise Picture <Photo of Symptom> Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Result : D Board Result : D Board Result : D Board Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Result : DG Board...
  • Page 28 Picture Problem (All over the screen) <Symptom> Abnormal Color, White Balance NG <Photo of Symptom> Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Result : D Board Result : D Board Result : D Board Yellow Magenta Magenta...
  • Page 29 Picture Problem (Right half or Left half) <Symptom> Vertical Line <Photo of Symptom> Model : 50inch (HD panel) Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Result : D Board Result : D Board Result : D Board Model : 42/37inch (HD panel) Model : 42/37inch (HD panel) Model : 42/37inch (HD panel)

  • Page 30: Reset And Self-Check Procedure

    Reset and Self-check Procedure CHASSIS: GP9D and GPH9D All models Self-check Screen How to access the self-check screen to reset the unit. Select a television channel, and while pressing the [VOLUME ( - )] button on the main unit, press the [OK] button on the remote control for more than 3 seconds.
  • Page 31 TH-37PX60U, TH-42PX60U and TH-42PX600U Driver Setup Adjustment Driver Setup Table Item / Preparation Input a white signal to plasma video input. Set the picture controls as follows. Picture menu: Vivid Picture: +30 Aspect: Full Caution First perform Vsus adjustment. The Confirmation of Vscn voltage should be performed after the confirmation of Vad adjustment.
  • Page 32 TH-58PX60U and TH-58PX600U Driver Setup Adjustment Item / Preparation Driver Setup Table Input a white signal to plasma video input. Set the picture controls as follows. Picture menu: Vivid Aspect: Full Caution First perform Vsus adjustment. The Confirmation of Vscn voltage should be performed after the confirmation of Vad adjustment.

  • Page 33: Board Layout And Part Numbers

    Front Terminal TNPA3604ACS Key Switch TNAG168S ATSC Interface TNPA3769ABS AV Terminal, AV Switch TNPA3855S Jig Connection TH-37PX60U BOARD LAYOUT AND PART NUMBERS TH-37PX60 BOARD LAYOUT BOARD NAME PART NUMBER BOARD DESCRIPTION ATSC Interface TNAG167S AV Terminal, AV Switch TNPA3769S Jig Connection...
  • Page 34 TH-42PX60U BOARD LAYOUT AND PART NUMBERS BOARD NAME PART NUMBER BOARD DESCRIPTION TH-42PX60 BOARD LAYOUT TNAG167S ATSC Interface TNPA3769S AV Terminal, AV Switch TNPA3855S Jig Connection TNPA3903BBS Digital Signal Processor, Micom, HDMI Interface TXNPA1BJTUJ DC-DC Converter, Speaker out, Audio AMP, Fan Control TXNC11BJTUJ Data Driver (Lower Right) TXNC21BJTUJ...
  • Page 35 TH-58PX60U BOARD LAYOUT AND PART NUMBERS BOARD NAME PART NUMBER BOARD DESCRIPTION TH-58PX60 BOARD LAYOUT TNAG167S ATSC Interface TNPA3769S AV Terminal, AV Switch TNPA3855S Jig Connection TNPA3903BLS Digital Signal Processor, Micom, HDMI Interface TXNPA1BJTUE DC-DC Converter, Speaker out, Audio AMP, Fan Control ETXMM611MEHS Power Supply TXNC11DNTUJ...
  • Page 36 TH-50PX600U BOARD LAYOUT AND PART NUMBERS BOARD NAME PART NUMBER BOARD DESCRIPTION TH-50PX600U BOARD LAYOUT TNAG166S ATSC Interface TNPA3769ACE AV Terminal, AV Switch TNPA3855S Jig Connection TNPA3903BFS Digital Signal Processor, Micom, HDMI Interface TXNPA1BETUJ DC-DC Converter, Speaker out, Audio AMP, Fan Control ETXMM610MEF Power Supply TXNC11BHTUJ...
  • Page 37 TH-65PX600U BOARD LAYOUT AND PART NUMBERS BOARD NAME PART NUMBER BOARD DESCRIPTION TH-65PX600U BOARD LAYOUT TNAG171S ATSC Interface TZRNA03DRTU AV Terminal, AV Switch TXAUW03DRTU Speaker Terminal TZRNA02DRTU Digital Signal Processor, Micom, HDMI Interface TXNPA1DRTU DC-DC Converter, Speaker out, Audio AMP, Fan Control ETXMM631MGHS Power Supply TXNC11EVTJ...
  • Page 38 Panasonic Service and Technology Company National Training 3 Panasonic Way 2B-6 Secaucus, NJ 07094...

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