Panasonic TH-L32X50Z Service Manual
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Panasonic TH-L32X50Z Service Manual

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TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.1.1. Leakage Current Cold Check---------------------- 3
1.) --------------------------------------------------------- 3
2 Warning -------------------------------------------------------------- 4
2.2. About lead free solder (PbF)---------------------------- 5
3 Service Navigation ----------------------------------------------- 6
3.1. Service Hint ------------------------------------------------- 6
4 Specifications ----------------------------------------------------- 7
5 Service Mode ------------------------------------------------------ 8
5.1. How to enter into Service Mode ----------------------- 8
5.1.1. Contents of adjustment mode --------------------- 8
5.1.2. How to exit---------------------------------------------- 8
5.2. SRV-TOOL -------------------------------------------------- 9
5.2.1. How to access ----------------------------------------- 9
5.2.2. Display of SOS History ------------------------------ 9
5.2.3. POWER ON TIME/COUNT ------------------------ 9
Model No.
Chassis:
Destination:
PAGE
5.2.4. Exit --------------------------------------------------------9
5.2.5. Self Check Mode ------------------------------------ 10
5.2.6. Hotel Mode Adjustment ---------------------------- 10
5.2.7. Hotel Mode-------------------------------------------- 10
6 Troubleshooting Guide --------------------------------------- 11
6.1. Check of the IIC bus lines------------------------------ 11
6.1.1. How to access --------------------------------------- 11
6.1.2. Exit ------------------------------------------------------ 11
6.1.3. Screen display --------------------------------------- 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. No Power--------------------------------------------------- 12
7.1. SP Bracket------------------------------------------------- 13
7.2. Vesa Metal Assembly ----------------------------------- 14
7.4. Barrier LCD ----------------------------------------------- 17
7.5. LED Panel Assembly------------------------------------ 18
7.6. Back Cover Screw --------------------------------------- 19
7.7. P-Print Assy ----------------------------------------------- 20
7.8. Bottom Cover --------------------------------------------- 22
ORDER NO. MTV1201007CE
TH-L32X50Z
KM16
NEW ZEALAND
© Panasonic Corporation 2012. Unauthorized
copying and distribution is a violation of law.
LCD TV
PAGE

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Summary of Contents for Panasonic TH-L32X50Z

  • Page 1: Table Of Contents

    7.6. Back Cover Screw --------------------------------------- 19 5.2.2. Display of SOS History ------------------------------ 9 7.7. P-Print Assy ----------------------------------------------- 20 5.2.3. POWER ON TIME/COUNT ------------------------ 9 7.8. Bottom Cover --------------------------------------------- 22 © Panasonic Corporation 2012. Unauthorized copying and distribution is a violation of law.
  • Page 2 TH-L32X50Z 7.9. Stand MTG & Pedestal MTG -------------------------- 23 13.2. Electrical Replacement Parts List ------------------- 74 8 Measurements and Adjustments -------------------------- 24 13.2.1. Replacement Parts List Notes ------------------- 74 8.1. Voltage chart of A-board-------------------------------- 24 13.2.2. Electrical Replacement Parts List--------------- 75 8.2.

  • Page 3: Safety Precautions

    TH-L32X50Z 1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 4: Warning

    TH-L32X50Z 2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor [chip] components.

  • Page 5: About Lead Free Solder (Pbf)

    TH-L32X50Z 2.2. About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of 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).

  • Page 6: Service Navigation

    TH-L32X50Z 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD AVSW, TUN, OFDM, P-SLD2, EEP Repairable P BOARD Power Supply Repairable K BOARD Remote, LED, Luminunce Sensor Repairable...

  • Page 7: Specifications

    TH-L32X50Z 4 Specifications Power Power rating AC 220-240 V, 50 / 60 Hz 0.55 A Normal (Home) mode 70 W Standby condition 0.25 W Display panel Panel system LED LCD panel Visible screen size (diagonal) 82 cm / 32 inches 1,049,080 (1,366 (W) ×...

  • Page 8: Service Mode

    TH-L32X50Z 5 Service Mode 5.1. How to enter into Service Mode While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds. Contents of adjustment mode 5.1.1. • Value is shown as a hexadecimal number.

  • Page 9: Srv-Tool

    TH-L32X50Z 5.2. SRV-TOOL 5.2.1. How to access 1. Select [SRV-TOOL] in Service Mode. 2. Press [OK] button on the remote control. 5.2.2. Display of SOS History SOS History (Number of LED blinking ) indication. From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.

  • Page 10: Self Check Mode

    TH-L32X50Z 5.2.5. Self Check Mode 1. Press the ‘MENU’ button (on the remote control) and the ‘VOL DOWN’ button on the LCD panel. 2. Press ON/OFF button on the panel to Exit. 5.2.6. Hotel Mode Adjustment 1. Press the ‘VOLUME DOWN’ button on the TV panel and simultaneously press the AV button on the remote control 3 times to enter Hotel Mode.

  • Page 11: Troubleshooting Guide

    TH-L32X50Z 6 Troubleshooting Guide Use the self-check function to test the unit. 1. Checking the IIC bus lines 2. Power LED Blinking timing 6.1. Check of the IIC bus lines 6.1.1. How to access Self-check indication only: Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.

  • Page 12: Power Led Blinking Timing Chart

    TH-L32X50Z 6.2. Power LED Blinking timing chart 1. Subject Information of LED Flashing timing chart. 2. Contents When an abnormality occurs, the protection circuit will operate and reset the unit to stand by mode. During this time, the defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow:...

  • Page 13: Disassembly And Assembly Instructions

    TH-L32X50Z 7 Disassembly and Assembly Instructions 7.1. SP Bracket 1. Fix Sp. Bracket to LCD panel with screw (Fig. A). 2. Fix Speaker Unit (L&R) to Sp. Bracket (Fig. B). No Item Description 043 TKX5ZA02301 SP BRACKET 058 XYN3+F8FJ SCREW...

  • Page 14: Vesa Metal Assembly

    TH-L32X50Z 7.2. Vesa Metal Assembly 1. Fix Vesa Metal to LCD panel (Fig. A). 2. Fix Metal Bracket A-PCB to LCD panel (Fig. B). 3. Fix metal bracket bottom by screw.
  • Page 15 TH-L32X50Z No Item Description 046 TKZ5ZX5008 VESA METAL 044 TKZ4GG5014 METAL_BRACKET-A_PCB 047 TKZ5ZX5010 METAL BRACKET BOTTOM 067 THEJ036J SCREW...

  • Page 16: Lcd Panel Fixing & Handling Method

    TH-L32X50Z 7.3. LCD Panel Fixing & Handling Method 1. Place down the cabinet as shown below. 2. Fix LCD panel into the cabinet by taking below precautions. Other general precautions 1. Do not press panel surface to avoid blue spot on the panel display.

  • Page 17: Barrier Lcd

    TH-L32X50Z 7.4. Barrier LCD 1. Fix LVDS Cable to bottom LCD panel (Fig. A). 2. Stick LVDS cable & A10~K10 wire with pet tape (Fig. A). 3. Stick barrier LCD to LCD Panel (Fig. B). No Item Description 063 TSCKF0010005...

  • Page 18: Led Panel Assembly

    TH-L32X50Z 7.5. LED Panel Assembly 1. Prepare LED panel Assy (Fig. A). 2. Fix LED panel assy to Cabinet complete assy (Fig. B). 3. Fix LCD panel to Cabinet assy (Fig. C). No Item Description 041 TKK5ZC50201 LED PANEL 040 TKK5ZC50141...

  • Page 19: Back Cover Screw

    TH-L32X50Z 7.6. Back Cover Screw 1. Fix screw to Back Cover. 2. Install M6 cap to Back Cover. No Item Description 073 THTD030J SCREW 072 THEC1509 SCREW 037 XTV3+8GFJK SCREW(AV1) 030 TKKL5521 M6_CAP 102 TMK4GX113 WASHER...

  • Page 20: P-Print Assy

    TH-L32X50Z 7.7. P-Print Assy 1. Fixing P-print to LCD panel. 2. Fix Spacer(P-pcb - 6 pcs) & Key Button to P-print. 3. Fix thermal pad to heat sink, peel-off sepatator behind heat sink and stick to LCD panel. 4. Fixing A-print to LCD panel.
  • Page 21 TH-L32X50Z No Item Description 064 TMME399 SPEACER (P-PCB) 061 TBX5ZA00301 KEY BUTTON 045 TKZ5ZF50162 METAL AV BRACKET SIDE 067 THEJ036J SCREW 062 TUC5ZJ50041 HEATSINK 069 TMKK481 THERMAL PAD...

  • Page 22: Bottom Cover

    TH-L32X50Z 7.8. Bottom Cover Fix Bottom Cover to Metal Bracket bottom. No Item Description 042 TKP5ZA13801 BOTTOM COVER 1 PC...

  • Page 23: Stand Mtg & Pedestal Mtg

    TH-L32X50Z 7.9. Stand MTG & Pedestal MTG Prepare screw packing kit (Fig. C). Insert Stand Mtg into bag. Fold bag and put screw packing kit as shown (Fig. A). Stick with Yellow Tape (Fig. B). No Item Description 022 TBL5ZX03761...

  • Page 24: Measurements And Adjustments

    TH-L32X50Z 8 Measurements and Adjustments 8.1. Voltage chart of A-board Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table. Power Supply Name Measurement Point Specification (V) SUB1.8V TP8700 1.74 - 1.90 SUB1.2V TP8100 1.18 - 1.32...

  • Page 25: Block Diagram

    TH-L32X50Z 9 Block Diagram 9.1. Main Block Diagram...

  • Page 26: Wiring Connection Diagram

    TH-L32X50Z 10 Wiring Connection Diagram 10.1. Wire Dressing 1. Fix clamper (2 pcs). 2. Wiring No 1~ No 2. 3. Stick gaasket (1). 4. Install PET tape (1). 5. Install AL PET tape (1) No Item Description Remarks 065 TMME268...

  • Page 27: Schematic Diagram

    TH-L32X50Z 11 Schematic Diagram 11.1. Schematic Diagram Notes...

  • Page 28: A Board

    TH-L32X50Z 11.2. A Board 11.2.1. A Board - Sheet : 002 (1 / 2) <1A> <2A> <3A> <4A>...

  • Page 29: A Board - Sheet : 002 (2 / 2)

    TH-L32X50Z 11.2.2. A Board - Sheet : 002 (2 / 2) <1A> <2A> <3A> <4A>...

  • Page 30: A Board - Sheet : 003 (1 / 5)

    TH-L32X50Z 11.2.3. A Board - Sheet : 003 (1 / 5) <1A> <2A> <3A> <4A>...

  • Page 31: A Board - Sheet : 003 (2 / 5)

    TH-L32X50Z 11.2.4. A Board - Sheet : 003 (2 / 5) <1A> <2A> <1B> <3A> <2B> <4A>...

  • Page 32: A Board - Sheet : 003 (3 / 5)

    TH-L32X50Z 11.2.5. A Board - Sheet : 003 (3 / 5) <1B> <1C> <2B> <2C>...

  • Page 33: A Board - Sheet : 003 (4 / 5)

    TH-L32X50Z 11.2.6. A Board - Sheet : 003 (4 / 5) <1C> <1D> <2C>...

  • Page 34: A Board - Sheet : 003 (5 / 5)

    TH-L32X50Z 11.2.7. A Board - Sheet : 003 (5 / 5) <1D>...

  • Page 35: A Board - Sheet : 004 (1 / 2)

    TH-L32X50Z 11.2.8. A Board - Sheet : 004 (1 / 2) <1A> <2A>...

  • Page 36: A Board - Sheet : 004 (2 / 2)

    TH-L32X50Z 11.2.9. A Board - Sheet : 004 (2 / 2) <1A> <2A>...

  • Page 37: A Board - Sheet : 005 (1 / 2)

    TH-L32X50Z 11.2.10. A Board - Sheet : 005 (1 / 2) <1A>...

  • Page 38: A Board - Sheet : 005 (2 / 2)

    TH-L32X50Z 11.2.11. A Board - Sheet : 005 (2 / 2) <1A>...

  • Page 39: A Board - Sheet : 008 (1 / 1)

    TH-L32X50Z 11.2.12. A Board - Sheet : 008 (1 / 1)

  • Page 40: A Board - Sheet : 009 (1 / 2)

    TH-L32X50Z 11.2.13. A Board - Sheet : 009 (1 / 2) <1A> <2A>...

  • Page 41: A Board - Sheet : 009 (2 / 2)

    TH-L32X50Z 11.2.14. A Board - Sheet : 009 (2 / 2) <1A> <2A>...

  • Page 42: A Board - Sheet : 010 (1 / 1)

    TH-L32X50Z 11.2.15. A Board - Sheet : 010 (1 / 1)

  • Page 43: A Board - Sheet : 100 (1 / 3)

    TH-L32X50Z 11.2.16. A Board - Sheet : 100 (1 / 3) <1A> <2A>...

  • Page 44: A Board - Sheet : 100 (2 / 3)

    TH-L32X50Z 11.2.17. A Board - Sheet : 100 (2 / 3) <1B> <2B> <1A> <2A>...

  • Page 45: A Board - Sheet : 100 (3 / 3)

    TH-L32X50Z 11.2.18. A Board - Sheet : 100 (3 / 3) <1B> <2B>...

  • Page 46: A Board - Sheet : 101 (1 / 4)

    TH-L32X50Z 11.2.19. A Board - Sheet : 101 (1 / 4) <1A> <2A> <3A>...

  • Page 47: A Board - Sheet : 101 (2 / 4)

    TH-L32X50Z 11.2.20. A Board - Sheet : 101 (2 / 4) <1B> <1A> <2A> <2B> <3A>...

  • Page 48: A Board - Sheet : 101 (3 / 4)

    TH-L32X50Z 11.2.21. A Board - Sheet : 101 (3 / 4) <1C> <1B> <2B> <2C>...

  • Page 49: A Board - Sheet : 101 (4 / 4)

    TH-L32X50Z 11.2.22. A Board - Sheet : 101 (4 / 4) <1C> <2C>...

  • Page 50: A Board - Sheet : 300 (1 / 1)

    TH-L32X50Z 11.2.23. A Board - Sheet : 300 (1 / 1)

  • Page 51: A Board - Sheet : 301 (1 / 3)

    TH-L32X50Z 11.2.24. A Board - Sheet : 301 (1 / 3) <1A> <2A>...

  • Page 52: A Board - Sheet : 301 (2 / 3)

    TH-L32X50Z 11.2.25. A Board - Sheet : 301 (2 / 3) <1B> <1A> <2B> <2A> <3B>...

  • Page 53: A Board - Sheet : 301 (3 / 3)

    TH-L32X50Z 11.2.26. A Board - Sheet : 301 (3 / 3) <1B> <2B> <3B>...

  • Page 54: A Board - Sheet : 302 (1 / 1)

    TH-L32X50Z 11.2.27. A Board - Sheet : 302 (1 / 1)

  • Page 55: A Board - Sheet : 700 (1 / 2)

    TH-L32X50Z 11.2.28. A Board - Sheet : 700 (1 / 2) <1A> <2A> <3A> <4A> <5A>...

  • Page 56: A Board - Sheet : 700 (2 / 2)

    TH-L32X50Z 11.2.29. A Board - Sheet : 700 (2 / 2) <1A> <2A> <3A> <4A> <5A>...

  • Page 57: A Board - Sheet : 701 (1 / 2)

    TH-L32X50Z 11.2.30. A Board - Sheet : 701 (1 / 2) <1A> <2A> <3A>...

  • Page 58: A Board - Sheet : 701 (2 / 2)

    TH-L32X50Z 11.2.31. A Board - Sheet : 701 (2 / 2) <1A> <2A> <3A>...

  • Page 59: A Board - Sheet : 702 (1/ 1)

    TH-L32X50Z 11.2.32. A Board - Sheet : 702 (1/ 1)

  • Page 60: A Board - Sheet : 703 (1 / 1)

    TH-L32X50Z 11.2.33. A Board - Sheet : 703 (1 / 1)

  • Page 61: A Board - Sheet : 704 (1 / 1)

    TH-L32X50Z 11.2.34. A Board - Sheet : 704 (1 / 1)

  • Page 62: A Board - Sheet : 708 (1 / 1)

    TH-L32X50Z 11.2.35. A Board - Sheet : 708 (1 / 1)

  • Page 63: K Board

    TH-L32X50Z 11.3. K Board 11.3.1. K Board (1 / 2) <1A> <2A>...

  • Page 64: K Board (2 / 2)

    TH-L32X50Z 11.3.2. K Board (2 / 2) <1A> <2A>...

  • Page 65: P Board

    TH-L32X50Z 11.4. P Board 11.4.1. P Board (1 / 4) <1A> <2A> <3A> <4A>...

  • Page 66: P Board (2 / 4)

    TH-L32X50Z 11.4.2. P Board (2 / 4) <1B> <2B> <1A> <2A> <3B> <3A> <4A> <4B>...

  • Page 67: P Board (3 / 4)

    TH-L32X50Z 11.4.3. P Board (3 / 4) <1B> <2B> <1C> <2C> <3B> <3C> <4B>...

  • Page 68: P Board (4 / 4)

    TH-L32X50Z 11.4.4. P Board (4 / 4) <1C> <2C> <3C>...

  • Page 69: Printed Circuit Board

    TH-L32X50Z 12 Printed Circuit Board 12.1. A-BOARD A-BOARD (TOP COMPONENT SIDE) TNP4G526 C N 0 1 0 1 C N 0 1 0 0 I C 8 9 0 1 I C 5 6 0 2 J K 1 0 3 0...
  • Page 70 TH-L32X50Z A-BOARD (BOTTOM COMPONENT SIDE) TNP4G526 Q 0 9 0 0 J K 1 0 3 1 S I F O U T S I F O U T I F A G C V I E O O U T...

  • Page 71: K-Board

    TH-L32X50Z 12.2. K-BOARD K-BOARD (TOP COMPONENT SIDE) TNPA5604 S U F F I X . C R N O . 2 R 2 8 0 3 R 2 8 0 9 D 2 8 0 3 R 2 8 0 4...

  • Page 72: P-Board

    TH-L32X50Z 12.3. P-BOARD P-BOARD (TOP COMPONENT SIDE) TNPA5596 J 1 0 8 J 1 0 8 7 5 0 2 - H E A T 0 C 7 5 1 1 C 7 5 1 2 C 7 5 0 2...
  • Page 73 TH-L32X50Z P-BOARD (BOTTOM COMPONENT SIDE) TNPA5596 J 1 0 8 D 7 5 0 2 - H E A T 0 7 5 1 2 7 5 1 1 7 5 0 2 D 7 5 1 0 D 7 5 1 0...

  • Page 74: Electrical Replacement Parts List

    TH-L32X50Z 13 Exploded View and Replacement Parts List 13.1. Exploded View and Mechanical Replacement Parts List Please click the radio button for ‘Diagrams ll/Parts List’ on the menu bar. 13.2. Electrical Replacement Parts List 13.2.1. Replacement Parts List Notes...

  • Page 75: Electrical Replacement Parts List

    TH-L32X50Z 13.2.2. Electrical Replacement Parts List Note: All part will be supplied by PAVCKM. Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C4120 F1H1H104B047 C 0.1UF , 50V C4121 F1H1H104B047 C 0.1UF , 50V...
  • Page 76 TH-L32X50Z Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C4909 F1J1E105A256 C 1UF , 25V C7518 F1J1H104A902 C 0.1UF , 50V C4910 F1K1E106A134 C 10UF , 25V C7519 F2A1C4710114 C 470UF , 16V C4911 F1H1H104B047 C 0.1UF , 50V...
  • Page 77 TH-L32X50Z Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C8225 F1G1C104A077 C 0.1UF , 16V D4154 B0JCDE000006 DIODE C8300 F1G1H6R00009 C 6PF , 50V D4155 DZ2J330M0L DIODE C8301 F1G1H7R00009 C 7PF , 50V...
  • Page 78 TH-L32X50Z Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks L2001 J0JYC0000065 COIL L8605 J0JBC0000116 BEAD CORE L2002 J0JHC0000078 BEAD CORE L8700 G1C4R7MA0416 INDUCTOR L2301 J0JHC0000078 BEAD CORE L8701 G1C4R7MA0416 INDUCTOR...
  • Page 79 TH-L32X50Z Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R1308 D0GA103JA023 C 10KOHM ,J, 1/16W R3931 D0GA103JA023 C 10KOHM ,J, 1/16W R1309 D0GA473JA023 C 47KOHM ,J, 1/16W R3960 D0GA473JA023 C 47KOHM ,J, 1/16W...
  • Page 80 TH-L32X50Z Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R4913 D0GA103JA023 C 10KOHM ,J, 1/16W R7516 D0GD472JA052 C 4.7KOHM ,J, 1/16W R4914 EXB28V220JX 22OHM ,J, 1/2W R7517 D0GD222JA052 C 2.2KOHM ,J, 1/16W R4915 D0GF3R3JA027 C 3.3OHM ,J, 1/16W...
  • Page 81 TH-L32X50Z Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R8627 D0GA560JA023 C 56KOHM ,J, 1/16W JK3703 K1FY315A0014 AV TERMINAL R8628 D0GA560JA023 C 56KOHM ,J, 1/16W JK7101 K2AAYB000006 INLET/OUTLET (FOR AC...
  • Page 82 Model No. : TH-L32X50Z Parts Location...
  • Page 83 Model No. : TH-L32X50Z Packing Exploded View...
  • Page 84 Model No. : TH-L32X50Z Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks K2CJ2YY00084 AC CORD K2KYYYY00133 RCA CABLE L0EYAA000006 SPEAKER L0EYAA000007 SPEAKER N2QAYB000604 REMOTE TRANSMITTER TBL5ZX03601 PEDESTAL ASSY TBL5ZX03761 STAND MOUNTING ASSY TBM4GC8121 MODEL NAME PLATE...

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