Panasonic TH-40C400S Service Manual
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Panasonic TH-40C400S 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. Purpose ------------------------------------------------- 8
5.1.2. Key command ----------------------------------------- 8
5.1.3. How to exit---------------------------------------------- 8
5.1.4. Contents of adjustment mode --------------------- 8
5.1.5. Display of SOS History ------------------------------ 9
5.1.6. Exit-------------------------------------------------------- 9
Model No.
Chassis:
Destination:
PAGE
5.1.7. Hotel Mode----------------------------------------------9
6 Troubleshooting Guide --------------------------------------- 10
6.1. Check of the IIC bus lines------------------------------ 10
6.1.1. How to access --------------------------------------- 10
6.1.2. Self-check indication only ------------------------- 10
shipment setting ------------------------------------- 10
6.1.4. Exit ------------------------------------------------------ 10
6.1.5. Screen display --------------------------------------- 10
6.2. Power LED Blinking timing chart --------------------- 11
6.3. Method of detecting SOS ------------------------------ 11
6.4. LCD Panel test mode ----------------------------------- 12
6.5. No Power--------------------------------------------------- 12
7.1. Bottom Cover --------------------------------------------- 13
7.2. Install Metal Parts ---------------------------------------- 14
7.3. Chassis Frame-------------------------------------------- 15
7.5. LED Panel Assy ------------------------------------------ 17
7.6. Metal Bracket Fixing ------------------------------------ 18
ORDER NO. MTV1503419CE
TH-40C400S
KM25
SINGAPORE
© Panasonic Corporation 2015.
LED TV
PAGE

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Summary of Contents for Panasonic TH-40C400S

  • Page 1: Table Of Contents

    5.1.4. Contents of adjustment mode --------------------- 8 7.4. LCD Panel Fixing & Handling Method -------------- 16 7.5. LED Panel Assy ------------------------------------------ 17 5.1.5. Display of SOS History ------------------------------ 9 5.1.6. Exit-------------------------------------------------------- 9 7.6. Metal Bracket Fixing ------------------------------------ 18 © Panasonic Corporation 2015.
  • Page 2 TH-40C400S 7.7. A-Print & P-Print Board --------------------------------- 19 7.8. Back Cover ------------------------------------------------ 20 8 Measurements and Adjustments -------------------------- 21 8.1. Voltage chart of A-board-------------------------------- 21 8.2. Voltage chart of P-board-------------------------------- 21 9 Block Diagram --------------------------------------------------- 22 9.1. Main Block Diagram ------------------------------------- 22 10 Wiring Connection Diagram --------------------------------- 23 10.1.

  • Page 3: Safety Precautions

    TH-40C400S 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-40C400S 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-40C400S 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-40C400S 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD TUN, EEP, SPI Flash, Realteck Soc Repairable P BOARD Power Supply, LED Driver IC, Keyscan, LED Driver IC Repairable K BOARD Remote, LED,Luminence Sensor Repairable...

  • Page 7: Specifications

    TH-40C400S 4 Specifications Power Source AC 220-240 V, 50/60 Hz Power consumption (Rated power / Standby power) 68 W / 0.25 W Display panel Panel LCD panel (LED backlight) Visible screen size (diagonal) 100 cm 1,920 (W)  1,080 (H) Display resolution Dimensions (W ...

  • Page 8: Service Mode

    TH-40C400S 5 Service Mode 5.1. How to enter into Service Mode 5.1.1. Purpose After exchange parts, check and adjust the contents of adjustment mode. While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.

  • Page 9: Display Of Sos History

    TH-40C400S 5.1.5. 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. This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory shipment setting].

  • Page 10: Troubleshooting Guide

    TH-40C400S 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 6.1.2. 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 11: Power Led Blinking Timing Chart

    TH-40C400S 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 12: Lcd Panel Test Mode

    TH-40C400S 6.4. LCD Panel test mode Purpose: To find the possible failure point where in LCD Panel or Printed Circuit Board when the abnormal picture is displayed. How to Enter: While pressing [VOLUME ( - )] button of the main unit, press [OPTION] button of the remote control three times within 2 seconds.

  • Page 13: Disassembly And Assembly Instructions

    TH-40C400S 7 Disassembly and Assembly Instructions 7.1. Bottom Cover 1. Stick FELT to METAL CH FRAME SIDE A. 2. Stick SPONGE to BTM METALS. Description Remarks 001 FELT (0.55  10  10) 002 SPONGE (T2.0 x 20 x 15)

  • Page 14: Install Metal Parts

    TH-40C400S 7.2. Install Metal Parts Please follow the sequence for assembly each part of metal. Description 001 BOTTOM METAL 002 METAL CH FRAME BTM-A 003 METAL CH FRAME SIDE-A 004 METAL CH FRAME TOP-A 005 METAL CH FRAME BTM-P 006 LCD PANEL...

  • Page 15: Chassis Frame

    TH-40C400S 7.3. Chassis Frame Fix screw follow the sequence procedure & right p/no. Description Remarks 001 SCREW (METAL10) 5-7 Kgfcm 002 SCREW (BTM_METAL2) 5-7 Kgfcm...

  • Page 16: Lcd Panel Fixing & Handling Method

    TH-40C400S 7.4. 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: Led Panel Assy

    TH-40C400S 7.5. LED Panel Assy Install Btm Assy. Description Remarks 001 FELT (0.9  25  10) 002 LED PANEL CASE 003 LED PANEL 7-9 Kgfcm 004 FELT (0.55  10  10) 005 SPONGE (T3.0  40  10)

  • Page 18: Metal Bracket Fixing

    TH-40C400S 7.6. Metal Bracket Fixing 1. LED Panel ASSY and install to BTM assy. 2. KEY BUTTON install to P-Print. 3. SIDE AV bracket install to A-Print Bracket. Description 001 KEY BUTTON BRACKET 002 A-PCB BRACKET 003 SIDE AV BRACKET...

  • Page 19: A-Print & P-Print Board

    TH-40C400S 7.7. A-Print & P-Print Board 1. Insert P-Print and A-Print board at panel. 2. Fixing all screw at board and bracket. Description Remarks 001 SCREW (A2/P6/BTM_COVER4) 5-7Kgfcm 002 CLAMPER 003 SPEAKER UNIT 004 SPONGE (T8  22  5)

  • Page 20: Back Cover

    TH-40C400S 7.8. Back Cover 1. Install Vesa Metal. 2. Fixing screw follow torque spec. Description Remarks 001 VESA METAL BC 002 BACK COVER 003 SCREW 5-7Kgfcm 004 SCREW (BC16) 5-7Kgfcm 005 ENERGY LABEL 006 PAPER TAPE 0.05...

  • Page 21: Measurements And Adjustments

    TH-40C400S 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 SUB1.2V TP8004 1.14 - 1.26 SUB3.3V...

  • Page 22: Block Diagram

    TH-40C400S 9 Block Diagram 9.1. Main Block Diagram PANEL 32” 10W x 2 32” 10W x 2 Audio AMP 39” 39” 10W x 2 10W x 2 I2S AMP LVDS YAMAHA HD : (DATA 4pairs / CLK 1pair) (same as MT5307project)

  • Page 23: Wiring Connection Diagram

    TH-40C400S 10 Wiring Connection Diagram 10.1. Wire Dressing Stick PET TAPE follow spec and market accordingly. Description 001 LVDS CABLE 002 PET TAPE (0.06*4+0.11*1) 0.35...

  • Page 24: Schematic Diagram

    TH-40C400S 11 Schematic Diagram Model No. : TH-40C400S A-Board (1/14)
  • Page 25 Model No. : TH-40C400S A-Board (2/14)
  • Page 26 Model No. : TH-40C400S A-Board (3/14)
  • Page 27 Model No. : TH-40C400S A-Board (4/14)
  • Page 28 Model No. : TH-40C400S A-Board (5/14)
  • Page 29 Model No. : TH-40C400S A-Board (6/14)
  • Page 30 Model No. : TH-40C400S A-Board (7/14)
  • Page 31 Model No. : TH-40C400S A-Board (8/14)
  • Page 32 Model No. : TH-40C400S A-Board (9/14)
  • Page 33 Model No. : TH-40C400S A-Board (10/14)
  • Page 34 Model No. : TH-40C400S A-Board (11/14)
  • Page 35 Model No. : TH-40C400S A-Board (12/14)
  • Page 36 Model No. : TH-40C400S A-Board (13/14)
  • Page 37 Model No. : TH-40C400S A-Board (14/14)
  • Page 38 Model No. : TH-40C400S K-Board...
  • Page 39 Model No. : TH-40C400S P-Board (1/2)
  • Page 40 Model No. : TH-40C400S P-Board (2/2)

  • Page 41: Printed Circuit Board

    TH-40C400S 12 Printed Circuit Board Model No. : TH-40C400S A-Board (Top Component Side)
  • Page 42 Model No. : TH-40C400S A-Board (Bottom Component Side)
  • Page 43 Model No. : TH-40C400S K-Board...
  • Page 44 Model No. : TH-40C400S P-Board (Top Component Side)
  • Page 45 Model No. : TH-40C400S P-Board (Bottom Component Side)

  • Page 46: Exploded View And Replacement Parts List

    TH-40C400S 13 Exploded View and Replacement Parts List Model No. : TH-40C400S Parts Location...
  • Page 47 Model No. : TH-40C400S Packing Exploded View 1...
  • Page 48 Model No. : TH-40C400S Packing Exploded View 2...
  • Page 49 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITOR C2008 F1G1E103A172 C 0.01UF 25V C2014 F1H1E104A161 C 0.1UF, 25V C2015 F1K1V106A010 C 10UF, 35V C2016 F1G1C104A146 C 0.1UF, 16V C2017 F1G1C103A173 C 0.01UF, 16V...
  • Page 50 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5615 F1J1A106A043 C 10UF, 10V C5616 F1G1C104A146 C 0.1UF, 16V C5624 F1J1A106A043 C 10UF, 10V C5625 F1G1C104A146 C 0.1UF, 16V C5703 F1G1A105A047 C 1UF, 10V...
  • Page 51 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C6848 F1G1H8R0A833 C 8PF, 50V C6864 F1G1C104A146 C 0.1UF, 16V C6872 F1G1C104A146 C 0.1UF, 16V C6873 F1G1C104A146 C 0.1UF, 16V C7102 F1AAF471A019 C 470PF, 1KV...
  • Page 52 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8113 F1G1C103A173 C 0.01UF, 16V C8115 F1H1C105A167 C 1UF, 16V C8116 F1J0J2260004 C 22UF, 6.3V C8117 F1G1C104A146 C 0.1UF, 16V C8118 F1J0J2260004 C 22UF, 6.3V...
  • Page 53 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D1005 DZ2J140M0L DIODE D1007 DZ2J140M0L DIODE D2006 D4ED11200003 DIODE D2008 D4ED11200003 DIODE D2800 DZ2J056M0L DIODE D2802 B3AGB0000083 D2851 DZ2J068M0L DIODE D2852 DZ2J068M0L DIODE...
  • Page 54 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks IC8008 C0DBGYY00887 IC8900A TVR4G310-AB ROM VERSION ASSEMBLY IC8902 C3EBJY000066 COIL L2000 J0JYC0000328 INDUCTOR L4300 G1C220MA0445 INDUCTOR L4901 G1C220MA0533 INDUCTOR L4902 G1C220MA0533 INDUCTOR L4903...
  • Page 55 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Q7401 B1ABCF000231 TRANSISTOR Q7502 B1CHRE000035 TRANSISTOR Q7800 B1CFRL000042 TRANSISTOR Q7802 B1CFML000007 TRANSISTOR Q7803 B1CFML000007 TRANSISTOR Q7805 B1CFML000007 TRANSISTOR Q7806 B1CFML000007 TRANSISTOR Q8002 B1CHPD000013...
  • Page 56 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R3119 D0GA272JA023 M 2.7K Ohm, J, 1/16W R3122 D1BD75R0A204 M 75 Ohm, J, 1/16W R3124 D1BD75R0A204 M 75 Ohm, J, 1/16W R3192 D0GA101JA039...
  • Page 57 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5085 D0GA103JA039 M 10K Ohm, J, 1/16W R5086 D0GAR00J0005 M 0 Ohm, 1/16W R5087 D1BA2202A023 M 22K Ohm, F, 1/16W R5088 D1BA1602A023 M 16K Ohm, F, 1/16W...
  • Page 58 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R6848 D0GA680JA023 M 68 Ohm, J, 1/16W R6849 D0GA680JA023 M 68 Ohm, J, 1/16W R6850 D0GA680JA023 M 68 Ohm, J, 1/16W R6861 D0GA680JA023...
  • Page 59 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7814 D0GD334JA052 M 330K Ohm, J, 1/8W R7815 D0GD103JA052 M 10K Ohm, J, 1/8W R7816 D1BD2201A066 M 2.2K Ohm, J, 1/16W R7817 D1BD1003A066...
  • Page 60 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8909 D0GA472JA023 M 4.7K Ohm, J, 1/16W R8910 D0GA102JA039 M 1K Ohm, J, 1/16W TRANSFORMER T7301 G4DYA0000490 TRANSFORMER OTHERS K1KY14BA0484 CONNECTOR K1KY07BA0483 CONNECTOR...
  • Page 61 Model No. : TH-40C400S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CQ2YY00122 AC CORD L0EYAA000052 SPEAKER UNIT L5EDDYY00654 LCD PANEL N2QAYB000976 REMOTE TRANSMITTER TBL5ZX08971 STAND METAL ASSEMBLY TBM4GD6667 MODEL NAME PLATE TBX5ZA03303...

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