Panasonic TX-PR42U10 Service Manual
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Panasonic TX-PR42U10 Service Manual

Panasonic TX-PR42U10 Service Manual

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Plasma Television
TX-PR42U10
Model No.
GPF12DE Chassis
A
IMPORTANT SAFETY NOTICE
A
Panasonic'

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Summary of Contents for Panasonic TX-PR42U10

  • Page 1 Plasma Television TX-PR42U10 Model No. GPF12DE Chassis WARNING IMPORTANT SAFETY NOTICE Panasonic'...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1 Safety P recau tio n s------------------------------------------------ 2 W a rn in g ----------------------------------------------------------------- 12 Schem atic Diagram 3 Service Navigation------------------------------------------------- 4 S pecifications---------------------------------- 5 Service M o d e----------------------------------- 6 Troubleshooting Guide--------------------- 7 Service Fixture & T o o ls ---------------------------- 8 Disassembly and Assem bly Instructions 13 Printed Circuit Board 9 Measurements and Adjustments...

  • Page 3: Safety Precautions

    1 Safety Precautions 1.1. General Guidelines 1.2. Touch-Current Check Note: Measuring network for TOUCH CURRENTS _ L Cs= 0.22| 1 - ------ ( V ) 500Q = 0.022|jF...

  • Page 4: Warning

    Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Caution...
  • Page 5 2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table o f elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.

  • Page 6: Service Navigation

    3 Service Navigation 3.1. Service Hint...

  • Page 7: Applicable Signals

    3.2. Applicable signals COMPONENT (Y, PB, PR), HDMI PC (from HDMI term inal) Note...

  • Page 8: Specifications

    4 Specifications Pow er Source Pow er Consum ption Pow er Consum ption in Standby condition Display panel Aspect Ratio Visible screen size Num ber o f pixels Sound Speaker Audio Output Headphones Receiving System s / Band name PAL B, G, H, I, SECAM B, G, SECAM L, L’ PAL D, K, SECAM D, K PAL 525/60 M.NTSC...

  • Page 9: Service Mode

    5 Service Mode 5.1. How to enter into Service Mode " a d j u s t 5.1.1. Key command...
  • Page 10 5.1.2. Contents of adjustment mode 5.1.3. How to exit...
  • Page 11 5.2. Service tool mode 5.2.1. How to access 5.2.2. Display of SOS History 5.2.3. POWER ON Time, On/Off 5.2.4. Exit...

  • Page 12: Hotel Mode

    5.3. Hotel mode (within 2 second) Гот Гот ГШ...

  • Page 13: Troubleshooting Guide

    6 Troubleshooting Guide 6.1. Check of the IIC bus lines 6.1.1. How to access 6.1.2. Screen display 6.1.3. Check Point 6.1.4. Exit...
  • Page 14 6.2. Power LED Blinking timing chart...
  • Page 15 6.3. No Power...
  • Page 16 6.4. No Picture No Picture...
  • Page 17 6.5. Local screen failure...

  • Page 18: Service Fixture & Tool

    7 Service Fixture & Tools 7.1. SC jig Purpose: SC jig: Part number: How to use: Caution: Remove SC jig from SC board after inspection.

  • Page 19: Disassembly And Assembly Instructions

    8 Disassembly and Assembly Instructions 8.1. Remove the Rear cover 8.3. Remove Side terminal cover and Rear terminal cover 8.2. Remove the P-Board Caution:...
  • Page 20 8.4. Remove the Tuner unit 8.5. Remove the A-Board Caution :...
  • Page 21 8.6. Remove the Speakers 8.9. Remove the SU-Board 8.7. Remove the Control button unit 8.8. Remove the GK-Board...
  • Page 22 8.10. Remove the SD-Board 8.11. Remove the SC-Board 8.12. Remove the SS2-Board...
  • Page 23 8.13. Remove the SS-Board 8.15. Remove the C1-Board <=»■ 8.14. Remove the Hanger metals and the Stand brackets 8.16. Remove the C2-Board <=»■ Ц О l r -...
  • Page 24 8.17. Remove the Plasma panel sec­ tion from the Cabinet assy (glass) 8.18. Remove the S-Board...

  • Page 25: Replace The Plasma Panel

    8.20. Remove the K-Board 8.21. Replace the plasma panel 8.19. Remove the Front glass Caution: A new plasma panel itself without Hanger metals is fragile. To avoid the dam age to new plasma panel, carry a new plasma panel taking hold o f the Hanger metals after assembling the Hanger metals and the Stand brackets.

  • Page 26: Measurements And Adjustments

    9 Measurements and Adjustments 9.1. Adjustment Procedure 9.1.1. Driver Set-up 9.1.1.1. Item / Preparation Caution 9.1.1.2. Adjustments...

  • Page 27: Initialization Pulse Adjust

    9.1.2. Initialization Pulse Adjust 2007/12/07 1 6 :3 9 :1 9 Iniook ймд Sa p p e d T J ________ ______________ 500MS/S 20HS/dui CHI 1 0 0 :1 Ц 5 0 .0 U/diM F u l l " Edge CHI Au to 4 0 0 .0 U 20.000US...
  • Page 28 9.1.4. Adjustment Volume Location 9.1.5. Test Point Location...
  • Page 29 9.2. Adjustment 9.2.1. Sub-Contrast adjustment Ref.: RF signal modulation spec. Note: UK models: 80% O ther models: 90% Note: Sub-contrast adjustm ent is unadjusted for AV/ HD input. B u t, when needing the adjustm ent cho­ sen manually, please refer to [ alterna­ tive m ethod ].
  • Page 30 A nother procedure Another procedure...
  • Page 31 9.2.2. RF white balance adjustment...
  • Page 32 9.2.3. 1080i white balance adjustment...

  • Page 33: Block Diagram

    10 Block Diagram 10.1. Main Block Diagram...
  • Page 34 10.2. Block (1/4) Diagram...
  • Page 35 10.3. Block (2/4) Diagram...
  • Page 37 10.5. Block (4/4) Diagram...

  • Page 39: Wiring Connection Diagram

    11 Wiring Connection Diagram 11.1. Caution statement. Caution: 11.2. Wiring (1)
  • Page 40 11.3. Wiring (2)
  • Page 41 11.4. Wiring (3)

  • Page 43: Schematic Diagram

    12 Schematic Diagram 12.1. Schematic Diagram Note Notes: Resistor Capacitor ( / )
  • Page 44 Remarks:...
  • Page 45 12.2. P-Board (1/2) Schematic Diagram...
  • Page 46 12.3. P-Board (2/2) Schematic Diagram...
  • Page 47 12.4. GK, К and S-Board Schematic Diagram P OW ER SW I C1 -BOARD...
  • Page 49 12.5. A-Board (1/20) Schematic Diagram J T A G TO 1/20...
  • Page 50 12.6. A-Board (2/20) Schematic Diagram...
  • Page 51 12.7. A-Board (3/20) Schematic Diagram N OT USE...
  • Page 52 12.8. A-Board (4/20) Schematic Diagram N OT USE...
  • Page 53 12.9. A-Board (5/20) Schematic Diagram...
  • Page 55 12.10. A-Board (6/20) Schematic Diagram SUB3.3V...
  • Page 56 12.11. A-Board (7/20) Schematic Diagram C1AB00003045...
  • Page 57 12.12. A-Board (8/20) Schematic Diagram...
  • Page 58 12.13. A-Board (9/20) Schematic Diagram...
  • Page 60 12.14. A-Board (10/20) Schematic Diagram...
  • Page 61 12.15. A-Board (11/20) Schematic Diagram...
  • Page 63 12.16. A-Board (12/20) Schematic Diagram E _A V 1 _R E D (1S P I N )/A _A V : E _A V 1 _G R E E N (1 1 P )/A _A V 2 C_V_T E F E _A V 2_R E D /C (1 S P IN )_T E l E _A V 2_G R E E N (1 1 P )/A _A V 2 C_V_T E F '2_B LU E (_7P IN )_T E...
  • Page 64 ■ щ ■ Щ ■ 4 $ - Щ...
  • Page 65 12.17. A-Board (13/20) Schematic Diagram i A VSW...
  • Page 66 12.18. A-Board (14/20) Schematic Diagram F15V...
  • Page 67 12.19. A-Board (15/20) Schematic Diagram...
  • Page 68 12.20. A-Board (16/20) Schematic Diagram...
  • Page 69 12.21. A-Board (17/20) Schematic Diagram...
  • Page 70 12.22. A-Board (18/20) Schematic Diagram...
  • Page 71 12.23. A-Board (19/20) Schematic Diagram...
  • Page 73 12.24. A-Board (20/20) Schematic Diagram STB5V...
  • Page 74 12.25. C1 -Board (1/2) Schematic Diagram...
  • Page 75 т о...
  • Page 76 12.26. C1-Board (2/2) Schematic Diagram (C20)
  • Page 77 12.27. C2-Board (1/2) Schematic Diagram i § ' i i' i' I i i i i I I I I i 1 § I I I I i i i i I i 1 1 i I I I I i I I i I i 1 1 i 3 § i з...
  • Page 78 12.28. C2-Board (2/2) Schematic Diagram \/ / / / / / / Щ PANEL DATA DRIVER иС PANEL DATA PANEL DATA D RIVER D RIVER я ш PANEL DATA PANEL DATA D RIVER D RIVER £ £ | £ | £ § PANEL DATA PANEL DATA D RIVER...
  • Page 79 12.29. SC-Board (1/4) Schematic Diagram P-BOARD (P2) I------ 1 A-BOARD...
  • Page 80 12.30. SC-Board (2/4) Schematic Diagram...
  • Page 81 12.31. SC-Board (3/4) Schematic Diagram...
  • Page 82 12.32. SC-Board (4/4) Schematic Diagram...
  • Page 83 12.33. SS-Board (1/2) Schematic Diagram...
  • Page 84 12.34. SS-Board (2/2) and SS2-Board Schematic Diagram PANEL SUSTAIN ELECTRODE...

  • Page 85: Printed Circuit Board

    13 Printed Circuit Board 13.1. P-Board P-BOARD (FOIL SIDE) ETX2MM747MFE н...
  • Page 86 Parts Location...
  • Page 87 Parts Location...
  • Page 88 P-BOARD (COMPONENT SIDE) ETX2MM747MFE...
  • Page 89 .2. GK, К, S and SS2-Board SS2-B0ARD (FOIL SIDE) TNPA4802 S-BOARD (FOIL SIDE) о о TNPA4858AB О S-BOARD (COMPONENT SIDE) SS2-BOARD (COMPONENT SIDE) TNPA4858AB TNPA4802 О О О |SS2MM^ о GK-BOARD (FOIL SIDE) TXNGK1EQUE GK-BOARD (COMPONENT SIDE) TXNGK1EQUE В...
  • Page 90 K-BOARD (FOIL SIDE) TXN/K1ETUR K-BOARD (COMPONENT SIDE) TXN/K1 ETUR...
  • Page 91 13.3. A-Board A-BOARD (FOIL SIDE) A-PR42U10 1 Д М А Д Д Д Д Н Д Д Д Д Д Д Д Д Д Д Д Ш Д Д Д Д Ш Parts Location A-BOARD (FOIL SIDE) TRANSISTOR...
  • Page 92 A-BOARD (COMPONENT SIDE) A-PR42U10...
  • Page 93 о Parts Location A -B O A R D (C O M P O N E N T SIDE) TR A N S IS TO R...
  • Page 94 13.4. C1-Board Parts Location C1-BOARD foil C1-BOARD (FOIL SIDE) TNPA4762 C1-BOARD (COMPONENT SIDE) TNPA4762...
  • Page 95 13.5. C2-Board Parts Location C2-BOARD C2-BOARD (FOIL SIDE) TNPA4763 C2-BOARD (COMPONENT SIDE) TNPA4763...
  • Page 96 13.6. SC-Board SC-BOARD (FOIL SIDE) TXNSC11XBH В С...
  • Page 98 Parts Location SC -B O A R D (FO IL SID E) TE S T POINT TR A N S IS TO R VO LU M E...
  • Page 99 Parts Location S C -B O A R D (C O M PO N E N T SID E) PH O TO C O U P LE R TE S T POINT TR A N S IS TO R V O LU M E...
  • Page 100 SC-BOARD (COMPONENT SIDE) TXNSC11XBH...
  • Page 101 13.7. SS-Board Parts Location SS-BOARD (FOIL SIDE) TEST POINT TRANSISTOR VOLUME SS-BOARD (FOIL SIDE) TXNSS11XBH...
  • Page 102 Parts Location SS-BOARD (COMPONENT SIDE) TRANSISTOR TEST POINT PHOTO COUPLER VOLUME SS-BOARD (COMPONENT SIDE) TXNSS11XBH...

  • Page 104: Exploded View And Replacement Parts List

    14 Exploded View and Replacement Parts List 14.1. Exploded View and Mechanical Replacement Parts List 14.1.1. Exploded View...
  • Page 105 14.1.2. Packing 1...
  • Page 106 14.1.3. Packing 2...
  • Page 107 14.1.4. Mechanical Replacement Parts List...

  • Page 111: Electrical Replacement Parts List

    14.2. Electrical Replacement Parts List 14.2.1. Replacement Parts List Notes RTL (Retention Time Limited) Note:...
  • Page 112 14.2.2. Electrical Replacement Parts List Note:...
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