Panasonic TH-L32C4M Service Manual
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Panasonic TH-L32C4M Service Manual

Panasonic TH-L32C4M Service Manual

Chassis: km14
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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 ------------------------------------------------------ 9
5.1. How to enter into Service Mode ----------------------- 9
5.1.1. Contents of adjustment mode --------------------- 9
5.1.2. How to exit---------------------------------------------- 9
5.2. SRV-TOOL -------------------------------------------------10
5.2.1. How to access ----------------------------------------10
5.2.2. Display of SOS History -----------------------------10
Model No.
Chassis:
Destination:
PAGE
5.2.3. POWER ON TIME/COUNT ----------------------- 10
5.2.4. Exit ------------------------------------------------------ 10
5.2.5. Self Check 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. AC Cord Dressing---------------------------------------- 13
7.4. Installation Panel and PCB ---------------------------- 16
7.5. Speaker Sponge Sticking ------------------------------ 17
7.6. Installation Vesa Metal Top ---------------------------- 18
7.7. LVDS Cable Install --------------------------------------- 19
7.8. Back Cover Screw Fixing ------------------------------ 20
ORDER NO. MTV1101116CE
TH-L32C4M
KM14
MIDDLE EAST
© Panasonic Corporation 2011. Unauthorized
copying and distribution is a violation of law.
LCD TV
PAGE

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Summary of Contents for Panasonic TH-L32C4M

  • Page 1: Table Of Contents

    5.2. SRV-TOOL -------------------------------------------------10 5.2.1. How to access ----------------------------------------10 7.7. LVDS Cable Install --------------------------------------- 19 5.2.2. Display of SOS History -----------------------------10 7.8. Back Cover Screw Fixing ------------------------------ 20 © Panasonic Corporation 2011. Unauthorized copying and distribution is a violation of law.
  • Page 2 TH-L32C4M 7.9. Stand MTG Preparation -------------------------------- 21 8 Measurements and Adjustments -------------------------- 22 8.1. Voltage chart of A-board-------------------------------- 22 8.2. Voltage chart of P-board-------------------------------- 22 9 Block Diagram --------------------------------------------------- 23 9.1. Main Block Diagram ------------------------------------- 23 10 Wiring Connection Diagram --------------------------------- 24 10.1.

  • Page 3: Safety Precautions

    TH-L32C4M 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-L32C4M 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-L32C4M 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-L32C4M 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD AVSW, TUN, EEP, SPI, MTK IC Repairable P BOARD Power Supply and Inverter Repairable KA BOARD Remote, LED, Luminunce Sensor Repairable GK BOARD Power Switch, Keyscan...

  • Page 7: Specifications

    TH-L32C4M 4 Specifications Power Source AC Auto 110 - 240 V, 50 / 60 Hz Power Consumption Power Rating 88 W Standby Condition 0.3 W Display panel Aspect Ratio 16:9 Visible screen size 80 cm (diagonal) 698 mm (W) × 393 mm (H) 1,049,088 (1,366 (W) ×...
  • Page 8 TH-L32C4M Others HDMI Input TYPE A Connectors R, G, B/0.7 V[p-p] (75 Ω) PC Input HIGH-DENSITY D-SUB 15 PIN HD, VD/TTL LEVEL 2.0-5.0 V [p-p] (high impedance) SD Card slot × 1 Card Slot USB 2.0 TYPE A Connectors × 1 DC 5 V, Max.

  • Page 9: Service Mode

    TH-L32C4M 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 10: Srv-Tool

    TH-L32C4M 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 11: Troubleshooting Guide

    TH-L32C4M 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-L32C4M 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-L32C4M 7 Disassembly and Assembly Instructions 7.1. AC Cord Dressing 1. Insert AC-Cord head into back cover. 2. Slot AC-Cord wire at back cover hook. 3. Slot AC-Cord bead core at back cover. 4. Tapping AC-Cord wire with filament tape.

  • Page 14: Speaker Preparation & Installation

    TH-L32C4M 7.2. Speaker Preparation & Installation 1. Fix sp rubber bush to speaker unit. 2. Fix speaker with sp rubber bush to cabinet. Part no. Description L0AA10B00003 SPEAKER UNIT TMM4GJ004 SP RUBBER BUSH...

  • Page 15: Lcd Panel Fixing & Handling Method

    TH-L32C4M 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 16: Installation Panel And Pcb

    TH-L32C4M 7.4. Installation Panel and PCB 1. Fix LCD panel into cabinet and screw. 2. Fix PCB at Panel and screw. 3. Fix KA board at led panel. 4. Fix connector wire to KA board. 5. Fix Led panel at cabinet and screw.

  • Page 17: Speaker Sponge Sticking

    TH-L32C4M 7.5. Speaker Sponge Sticking 1. Insert vesa metal (bc) at back cover. 2. Stick speaker sponge at back cover. Planning No. Part no. Description TKZ4GX5034 VESA METAL(BC) KX-L32C4K/X/RA/G/T/M TMK4GG040 SP. SPONGE...

  • Page 18: Installation Vesa Metal Top

    TH-L32C4M 7.6. Installation Vesa Metal Top 1. Fix vesa metal top at lcd panel and screw. 2. Fix lcd panel wire to pcb, ensure connector fully lock. Part no. Description THEJ036J SCREW (A4/P6/VM2/BTM2) TKZ4GX5056 VESA METAL (TOP)

  • Page 19: Lvds Cable Install

    TH-L32C4M 7.7. LVDS Cable Install 1. Fix LVDS cable at PCB and lcd panel. 2. Stick felt at LVDS cable.

  • Page 20: Back Cover Screw Fixing

    TH-L32C4M 7.8. Back Cover Screw Fixing Fix back cover and 18 screws. Part no. Description XTV3+12JFJ SCREW (Back Cover 18pcs)

  • Page 21: Stand Mtg Preparation

    TH-L32C4M 7.9. Stand MTG Preparation (Stand Mounting) 1. Insert stand mtg into bag. 2. Fold bag follow sequence. (Pedestal Mounting Assembly) 1. Insert screw into bag and ensure bag fully seal (lock). 2. Fold bag follow sequence (2 time). 3. Put Pedestal Mounting assembly at stand mtg assembly and tape with yellow tape.

  • Page 22: Measurements And Adjustments

    TH-L32C4M 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) Remark SUB1.8V TP8700 1.74 - 1.90 SUB1.2V...

  • Page 23: Block Diagram

    TH-L32C4M 9 Block Diagram 9.1. Main Block Diagram...

  • Page 24: Wiring Connection Diagram

    TH-L32C4M 10 Wiring Connection Diagram 10.1. Wire Dressing 1 1. Fix all connector at PCB. 2. Stick felt at LCD panel for wire dressing. Clamper Wire No.1 P2 ~ A09 No.2 A12 + A10 ~ Speaker Left No.3 A12 + A10 ~ KA10...
  • Page 25 TH-L32C4M 1. Fix wire to pcb (unsure fully lock). 2. Fix pcb with wire to side av bracket and screw.

  • Page 26: Wire Dressing

    TH-L32C4M 10.2. Wire Dressing 2 1. Fix all connector at PCB. 2. Fix AC-cord at PCB. 3. Slot Ac cord at bottom panel. 4. Stick control key sheet and side label ind. sheet. 5. Slot side av bracket at PCB.

  • Page 27: Schematic Diagram

    TH-L32C4M 11 Schematic Diagram 11.1. Schematic Diagram Notes...

  • Page 28: A Board

    TH-L32C4M 11.2. A Board 11.2.1. A Board - Sheet : 002 (1 / 2) <1A> <2A> <3A>...

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

    TH-L32C4M 11.2.2. A Board - Sheet : 002 (2 / 2) <1A> <2A> <3A>...

  • Page 30: A Board - Sheet : 003 (1 / 3)

    TH-L32C4M 11.2.3. A Board - Sheet : 003 (1 / 3) <1A>...

  • Page 31: A Board - Sheet : 003 (2 / 3)

    TH-L32C4M 11.2.4. A Board - Sheet : 003 (2 / 3) <1B> <1A>...

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

    TH-L32C4M 11.2.5. A Board - Sheet : 003 (3 / 3) <1B>...

  • Page 33: A Board - Sheet : 004 (1 / 2)

    TH-L32C4M 11.2.6. A Board - Sheet : 004 (1 / 2) <1A> <2A> <3A> <4A>...

  • Page 34: A Board - Sheet : 004 (2 / 2)

    TH-L32C4M 11.2.7. A Board - Sheet : 004 (2 / 2) <1A> <2A> <3A> <4A>...

  • Page 35: A Board - Sheet : 009 (1 / 2)

    TH-L32C4M 11.2.8. A Board - Sheet : 009 (1 / 2) <1A> <2A>...

  • Page 36: A Board - Sheet : 009 (2 / 2)

    TH-L32C4M 11.2.9. A Board - Sheet : 009 (2 / 2) <1A> <2A>...

  • Page 37: A Board - Sheet : 100 (1 / 2)

    TH-L32C4M 11.2.10. A Board - Sheet : 100 (1 / 2) <1A> <2A>...

  • Page 38: A Board - Sheet : 100 (2 / 2)

    TH-L32C4M 11.2.11. A Board - Sheet : 100 (2 / 2) <1A> <2A>...

  • Page 39: A Board - Sheet : 101 (1 / 4)

    TH-L32C4M 11.2.12. A Board - Sheet : 101 (1 / 4) <1A> <2A>...

  • Page 40: A Board - Sheet : 101 (2 / 4)

    TH-L32C4M 11.2.13. A Board - Sheet : 101 (2 / 4) <1A> <1B> <2A> <2B> <3B> <4B>...

  • Page 41: A Board - Sheet : 101 (3 / 4)

    TH-L32C4M 11.2.14. A Board - Sheet : 101 (3 / 4) <1B> <1C> <2C> <2B> <3B> <4B>...

  • Page 42: A Board - Sheet : 101 (4 / 4)

    TH-L32C4M 11.2.15. A Board - Sheet : 101 (4 / 4) <1C> <2C>...

  • Page 43: A Board - Sheet : 300 (1 / 1)

    TH-L32C4M 11.2.16. A Board - Sheet : 300 (1 / 1)

  • Page 44: A Board - Sheet : 301 (1 / 2)

    TH-L32C4M 11.2.17. A Board - Sheet : 301 (1 / 2) <1A> <2A>...

  • Page 45: A Board - Sheet : 301 (2 / 2)

    TH-L32C4M 11.2.18. A Board - Sheet : 301 (2 / 2) <1A> <2A>...

  • Page 46: A Board - Sheet : 302 (1 / 2)

    TH-L32C4M 11.2.19. A Board - Sheet : 302 (1 / 2) <1A> <2A> <3A> <4A>...

  • Page 47: A Board - Sheet : 302 (2 / 2)

    TH-L32C4M 11.2.20. A Board - Sheet : 302 (2 / 2) <1A> <2A> <3A> <4A>...

  • Page 48: A Board - Sheet : 701 (1 / 2)

    TH-L32C4M 11.2.21. A Board - Sheet : 701 (1 / 2) <1A> <2A> <3A>...

  • Page 49: A Board - Sheet : 701 (2 / 2)

    TH-L32C4M 11.2.22. A Board - Sheet : 701 (2 / 2) <1A> <2A> <3A>...

  • Page 50: A Board - Sheet : 703 (1 / 1)

    TH-L32C4M 11.2.23. A Board - Sheet : 703 (1 / 1)

  • Page 51: A Board - Sheet : 800 (1 / 1)

    TH-L32C4M 11.2.24. A Board - Sheet : 800 (1 / 1)

  • Page 52: Gk Board

    TH-L32C4M 11.3. GK Board 11.3.1. GK Board (1 / 1)

  • Page 53: Ka Board

    TH-L32C4M 11.4. KA Board 11.4.1. KA Board (1 / 2) <1A> <2A>...

  • Page 54: Ka Board (2 / 2)

    TH-L32C4M 11.4.2. KA Board (2 / 2) <1A> <2A>...

  • Page 55: P Board

    TH-L32C4M 11.5. P Board 11.5.1. P Board (1 / 4) <1A> <2A> <3A>...

  • Page 56: P Board (2 / 4)

    TH-L32C4M 11.5.2. P Board (2 / 4) <1A> <1B> <2A> <2B> <3A> <3B>...

  • Page 57: P Board (3 / 4)

    TH-L32C4M 11.5.3. P Board (3 / 4) <1C> <1B> <2B> <2C> <3C> <3B>...

  • Page 58: P Board (4 / 4)

    TH-L32C4M 11.5.4. P Board (4 / 4) <1C> <2C> <3C>...

  • Page 59: Printed Circuit Board

    TH-L32C4M 12 Printed Circuit Board 12.1. A-BOARD A-BOARD (TOP COMPONENT SIDE) TNP4G506 A 0 2 Parts Location Z A 0 0 5 0 A 0 2 A 0 9 L 2 0 0 I C 8 2 0 0 Ref.No Location Ref.No...
  • Page 60 TH-L32C4M A-BOARD (BOTTOM COMPONENT SIDE) TNP4G506 T P 0 0 0 5 T P 0 0 0 3 T P 0 0 0 1 R 4 0 3 3 R 4 0 3 2 C 4 1 2 3 C 4 1 2 2...

  • Page 61: Gk-Board

    TH-L32C4M 12.2. GK-BOARD GK-BOARD (TOP COMPONENT SIDE) TNP4G514 T N P 4 G 5 1 4 S E E R E V E R S E F O R O R D E R N O . P O W E R...

  • Page 62: Ka-Board

    TH-L32C4M 12.3. KA-BOARD KA-BOARD (TOP COMPONENT SIDE) TNPA5378 R M 2 8 0 0 A A A C KA10 A B A D C2801 R2825 R2827 R2826 R2828 C2802 R2817 R2800 S U F F I X . RM2800 RM2800A...

  • Page 63: P-Board

    TH-L32C4M 12.4. P-BOARD P-BOARD (TOP COMPONENT SIDE) TNP4G508 C U T I O N C U T I O N H I G H V O L T G E H I G H V O L T G E...
  • Page 64 TH-L32C4M P-BOARD (BOTTOM COMPONENT SIDE) TNP4G508 C 7 8 6 7 C 7 8 6 6 T P 7 8 0 5 T P 7 8 1 8 T P 7 8 1 2 C 7 8 6 3 C 7 8 6 2...

  • Page 65: Exploded View And Replacement Parts List

    TH-L32C4M 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 66: Electrical Replacement Parts List

    TH-L32C4M 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 C4004 F1J1A106A087 C 10UF , 10V C4120 F1G1C104A077 C 0.1UF , 16V...
  • Page 67 TH-L32C4M Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C4910 F1K1E106A136 C 10UF , 25V C7813 F1J1H101A709 C 100PF , 50V C4911 F1K1E106A136 C 10UF , 25V C7814 F1J1H101A709 C 100PF , 50V...
  • Page 68 TH-L32C4M Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C8106 F1G1C104A077 C 0.1UF , 16V D0902 EZJZ0V120JA VARISTOR C8108 F1G1C104A077 C 0.1UF , 16V D0904 EZAEG2A50AX FILTER C8110 F1G1C104A077 C 0.1UF , 16V...
  • Page 69 TH-L32C4M Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks D7507 DA2J10100L DIODE L5605 EXC24CE900U NOISE FILTER D7801 B0ADCK000001 DIODE L7104 J0JKB0000034 EMI FILTER D7806 DA6X103Q0R DIODE L7105 J0JKB0000034 EMI FILTER...
  • Page 70 TH-L32C4M Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R0947 D0GA680JA023 C 68OHM ,J, 1/16W R3104 D0GA104JA023 C 100KOHM ,J, 1/16W R0962 D0GA680JA023 C 68OHM ,J, 1/16W R3105 D1BD75R0A066 C 75OHM , 1/16W...
  • Page 71 TH-L32C4M Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R4181 D1BA1302A014 C 13KOHM , 1/16W R7224 ERJ8ENF2204V C 2.2MOHM ,J, 1/16W R4184 D1BA2202A014 C 22KOHM ,J, 1/16W R7226 ERJ8ENF2204V C 2.2MOHM ,J, 1/16W...
  • Page 72 TH-L32C4M Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R7823 D1BD1002A066 C 10KOHM ,J, 1/16W TRANSFORMERS R7824 D1BD1003A066 C 100KOHM ,J, 1/16W T7201 G4DYA0000339 SWITCHING TRANSFORMER R7825 D1BD1003A066 C 100KOHM ,J, 1/16W...
  • Page 73 TH-L32C4M Safety Ref. Part No. Part Name & Description Remarks ZA7003 K4AD01A00003 TERMINAL ZA7004 K4AD01A00003 TERMINAL...
  • Page 74 Model No. : TH-L32C4M Parts Location...
  • Page 75 Model No. : TH-L32C4M Packing Exploded View...
  • Page 76 Model No. : TH-L32C4M Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks K2CT2YY00072 AC CORD K2KYYYY00133 RCA CABLE L0AA10B00003 SPEAKER N2QAYB000683 REMOTE TRANSMITER TBL5ZX0210 PEDESTAL ASSY TBL5ZX0211 STAND MOUNTING ASSY TBM4GC766 MODEL NAME PLATE THEJ036J SCREW...

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