Panasonic TH-32A400S Service Manual
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Panasonic TH-32A400S 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 ------------------------------------------------------ 9
5.1. How to enter into Service Mode ----------------------- 9
5.1.1. Purpose ------------------------------------------------- 9
5.1.2. Key command ----------------------------------------- 9
5.1.3. How to exit---------------------------------------------- 9
5.1.4. Contents of adjustment mode --------------------- 9
5.1.5. Display of SOS History -----------------------------10
5.1.6. Exit-------------------------------------------------------10
Model No.
Chassis:
Destination:
PAGE
5.1.7. 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. Self-check indication only ------------------------- 11
shipment setting ------------------------------------- 11
6.1.4. Exit ------------------------------------------------------ 11
6.1.5. Screen display --------------------------------------- 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. Method of detecting SOS ------------------------------ 12
6.4. LCD Panel test mode ----------------------------------- 13
6.5. No Power--------------------------------------------------- 13
7.1. SP Bracket & Metal Bottom --------------------------- 14
7.3. LCD Panel Assembly ----------------------------------- 16
7.4. LED Panel Ass'y ----------------------------------------- 17
7.5. Metal Bracket 1 ------------------------------------------ 18
7.6. Metal Bracket 2 ------------------------------------------- 19
ORDER NO. MTV1401147CE
TH-32A400S
TH-32A410S
KM25
SINGAPORE
© Panasonic Corporation 2014.
LED TV
PAGE

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Summary of Contents for Panasonic TH-32A400S

  • Page 1: Table Of Contents

    7.3. LCD Panel Assembly ----------------------------------- 16 5.1.4. Contents of adjustment mode --------------------- 9 7.4. LED Panel Ass’y ----------------------------------------- 17 7.5. Metal Bracket 1 ------------------------------------------ 18 5.1.5. Display of SOS History -----------------------------10 5.1.6. Exit-------------------------------------------------------10 7.6. Metal Bracket 2 ------------------------------------------- 19 © Panasonic Corporation 2014.
  • Page 2 TH-32A400S TH-32A410S 7.7. PCB Installation------------------------------------------- 20 7.8. Screw Fixing----------------------------------------------- 21 7.9. Stand Mould Assy Preparation------------------------ 22 7.10. Pedestal Ass’y -------------------------------------------- 23 7.11. Vesa Metal (BC) ------------------------------------------ 24 7.12. Back Cover Installation --------------------------------- 25 8 Measurements and Adjustments -------------------------- 26 8.1. Voltage chart of A-board-------------------------------- 26 8.2.

  • Page 3: Safety Precautions

    TH-32A400S TH-32A410S 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-32A400S TH-32A410S 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-32A400S TH-32A410S 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-32A400S TH-32A410S 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD TUN, EEP, SPI, MTK IC Repairable P BOARD Power Supply, Power switch, Keyscan Repairable K BOARD Remote, LED, Luminence Sensor Repairable...

  • Page 7: Specifications

    TH-32A400S TH-32A410S 4 Specifications Power Source AC 220-240 V, 50 / 60 Hz Power consumption Rated power / Standby power 52 W / 0.30W Display panel Panel LCD panel (LED backlight) Visible screen size (diagonal) 80 cm 1,366 (W)  768 (H) Display resolution Dimensions (W ...
  • Page 8 TH-32A400S TH-32A410S Aerial input VHF / UHF Operating Conditions Temperature : 0°C - 40°C Humidity : 20 % - 80 % RH (non-condensing) Note • Design and Specifications are subject to change without notice. Mass and Dimensions shown are approximate.

  • Page 9: Service Mode

    TH-32A400S TH-32A410S 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 10: Display Of Sos History

    TH-32A400S TH-32A410S 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 11: Troubleshooting Guide

    TH-32A400S TH-32A410S 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 12: Power Led Blinking Timing Chart

    TH-32A400S TH-32A410S 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: Lcd Panel Test Mode

    TH-32A400S TH-32A410S 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 14: Disassembly And Assembly Instructions

    TH-32A400S TH-32A410S 7 Disassembly and Assembly Instructions 7.1. SP Bracket & Metal Bottom Fix speaker left & right. Description SPEAKER UNIT SPEAKER BRACKET SP SPONGE...

  • Page 15: Lcd Panel Fixing & Handling Method

    TH-32A400S TH-32A410S 7.2. 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: Lcd Panel Assembly

    TH-32A400S TH-32A410S 7.3. LCD Panel Assembly Stick Barrier on LCD panel. Description LCD PANEL BARRIER...

  • Page 17: Led Panel Ass'y

    TH-32A400S TH-32A410S 7.4. LED Panel Ass’y 1. Fix K PCB to LED PANEL CASE. 2. Fix wire A10 to K PCB. 3. Fix LED panel to LED PANEL CASE. 4. Fix LED PANEL ASSY to cabinet. Description LED PANEL LED PANEL CASE...

  • Page 18: Metal Bracket

    TH-32A400S TH-32A410S 7.5. Metal Bracket 1 1. Install Vesa Metal 2pc on panel. 2. Install Pedestal Metal Bracket. Description VESA METAL PEDESTAL METAL BRACKET...

  • Page 19: Metal Bracket

    TH-32A400S TH-32A410S 7.6. Metal Bracket 2 1. Install Key Button Bracket. 2. Install Side AV Bracket. Description KEY BUTTON BRACKET SIDE AV BRACKET...

  • Page 20: Pcb Installation

    TH-32A400S TH-32A410S 7.7. PCB Installation 1. Install P & A-Board. 2. Fix A-PCB Bracket.

  • Page 21: Screw Fixing

    TH-32A400S TH-32A410S 7.8. Screw Fixing Fix all screw follow below picture. Description Remarks SCREW (A2/P5/VESA2/SP4/MTLBRKT4) 6 ± 1 Kgf.cm...

  • Page 22: Stand Mould Assy Preparation

    TH-32A400S TH-32A410S 7.9. Stand Mould Assy Preparation Follow below step for Stand Mould assy preparation. Description STAND MOULD SCREW (STAND) SCREW (PEDESTAL) BAR CODE LABEL...

  • Page 23: Pedestal Ass'y

    TH-32A400S TH-32A410S 7.10. Pedestal Ass’y Fix rubber foot 5 pc at Pedestal cover. Description BASE COVER RUBBER FOOT BAG FOR PEDESTAL...

  • Page 24: Vesa Metal (Bc)

    TH-32A400S TH-32A410S 7.11. Vesa Metal (BC) Install vesa metal 2 pc into back cover. Description BACK COVER VESA METAL...

  • Page 25: Back Cover Installation

    TH-32A400S TH-32A410S 7.12. Back Cover Installation 1. Install Back cover. 2. Fix screws. Description Remarks BACK COVER SCREW 6 ± 1 Kgf.cm SCREW 6 ± 1 Kgf.cm...

  • Page 26: Measurements And Adjustments

    TH-32A400S TH-32A410S 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 27: Block Diagram

    TH-32A400S TH-32A410S 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 YAMAHA LVDS HD : (DATA 4pairs / CLK 1pair) (same as MT5307project)

  • Page 28: Wiring Connection Diagram

    TH-32A400S TH-32A410S 10 Wiring Connection Diagram 10.1. Wire Dressing Do wire dressing follow below spec: Description Remarks 0.06  6 PET TAPE 0.36 LVDS CABLE...

  • Page 29: Schematic Diagram

    TH-32A400S TH-32A410S 11 Schematic Diagram Model No. : TH-32A400S TH-32A410S A-Board (1/13)
  • Page 30 Model No. : TH-32A400S TH-32A410S A-Board (2/13)
  • Page 31 Model No. : TH-32A400S TH-32A410S A-Board (3/13)
  • Page 32 Model No. : TH-32A400S TH-32A410S A-Board (4/13)
  • Page 33 Model No. : TH-32A400S TH-32A410S A-Board (5/13)
  • Page 34 Model No. : TH-32A400S TH-32A410S A-Board (6/13)
  • Page 35 Model No. : TH-32A400S TH-32A410S A-Board (7/13)
  • Page 36 Model No. : TH-32A400S TH-32A410S A-Board (8/13)
  • Page 37 Model No. : TH-32A400S TH-32A410S A-Board (9/13)
  • Page 38 Model No. : TH-32A400S TH-32A410S A-Board (10/13)
  • Page 39 Model No. : TH-32A400S TH-32A410S A-Board (11/13)
  • Page 40 Model No. : TH-32A400S TH-32A410S A-Board (12/13)
  • Page 41 Model No. : TH-32A400S TH-32A410S A-Board (13/13)
  • Page 42 Model No. : TH-32A400S TH-32A410S K-Board...
  • Page 43 Model No. : TH-32A400S TH-32A410S P-Board...

  • Page 44: Printed Circuit Board

    TH-32A400S TH-32A410S 12 Printed Circuit Board Model No. : TH-32A400S TH-32A410S A-Board (Top Component Side)
  • Page 45 Model No. : TH-32A400S TH-32A410S A-Board (Bottom Component Side)
  • Page 46 Model No. : TH-32A400S TH-32A410S K-Board...
  • Page 47 Model No. : TH-32A400S TH-32A410S P-Board (Top Component Side)
  • Page 48 Model No. : TH-32A400S TH-32A410S P-Board (Bottom Component Side)

  • Page 49: Exploded View And Replacement Parts List

    TH-32A400S TH-32A410S 13 Exploded View and Replacement Parts List Model No. : TH-32A400S TH-32A410S Parts Location...
  • Page 50 Model No. : TH-32A400S TH-32A410S Packing Exploded View 1...
  • Page 51 Model No. : TH-32A400S TH-32A410S Packing Exploded View 2...
  • Page 52 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITORS C2008 F1G1E103A172 C 0.01UF, 25V C2014 F1H1E104A161 C 0.1UF, 25V C2015 F1K1V106A010 C 10UF, 25V C2016 F1G1C104A146 C 0.1UF 16V C2017 F1G1C103A173 C 0.01UF, 16V...
  • Page 53 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5624 F1J1A106A043 C 10UF, 10V C5625 F1G1C104A146 C 0.1UF 16V C5717 F1J1A106A043 C 10UF, 10V C5718 F1J1A106A043 C 10UF, 10V C6704 F1J1A106A043...
  • Page 54 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7505 F1H1H105B027 C 1UF, 50V C7510 F1B2H471A058 C 470PF, 500V C7512 F2A1E4710124 C 470UF, 25V C7520 F1H1A475A102 C 4.7UF, 10V C7523 F1J1H104A902 C 0.1UF, 50V...
  • Page 55 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8151 F1H1H103B047 C 0.01UF, 50V C8152 F1G1A105A047 C 1UF 10V C8153 F1G1A105A047 C 1UF 10V C8162 F1G1C104A146 C 0.1UF 16V C8163 F1G1C103A173 C 0.01UF, 16V...
  • Page 56 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7301 B0HAGQ000001 DIODE D7306 B0ECKT000012 DIODE D7307 DZ2J068M0L DIODE D7308 B0ECKT000012 DIODE D7313 DB2J41100L DIODE D7316 B0ACCD000008 DIODE D7317 DA2JF2300L DIODE D7320...
  • Page 57 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L7301 EXCELSA35T BEAD CORE L7313 J0JHC0000048 BEAD CORE L7512 EXCELSA35V COIL L7801 G0C480Z00002 COIL L7802 EXCELDR35C BEAD CORE L7803 EXCELDR35V CORE L7804...
  • Page 58 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R0939 D0GA680JA023 M 68 OHM, J,1/16W R0944 D1H86804A042 M 68 OHM, J,1/16W R0945 D1H86804A042 M 68 OHM, J,1/16W R1000 D0GA101JA039 M 100OHM, J, 1/16W...
  • Page 59 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4503 D1H84734A042 M 47KOHM, J,1/16W R4504 D1H86804A042 M 68 OHM, J,1/16W R4513 D0GA820JA023 M 82 OHM, J,1/16W R4514 D0GA220JA023 M22 OHM, J.1/16 W...
  • Page 60 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R6729 D0GAR00J0005 M 0 OHM, 1/16W R6730 D0GA103JA039 M 10KOHM,F,1/16W R6743 D0GA102JA039 M 1KOHM, J, 1/16W R6744 D0GA102JA039 M 1KOHM, J, 1/16W...
  • Page 61 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7808 D0GB473JA065 M 47KOHM J. 1/10W R7809 D0GD182JA052 M 1.8KOHM, J, 1/16W R7810 D1BB2492A074 M 24.9KOHM, J, 1/16W R7812 D0GD683JA052 M 68KOHM,J,1/8W...
  • Page 62 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8905 D0GA680JA023 M 68 OHM, J,1/16W R8906 D0GA680JA023 M 68 OHM, J,1/16W R8907 D0GA680JA023 M 68 OHM, J,1/16W R8908 D0GA103JA039 M 10KOHM,F,1/16W...
  • Page 63 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks ZA7102 K4AD01A00004 RUG TERMINAL ZA7103 K4AD01A00004 RUG TERMINAL...
  • Page 64 Model No. : TH-32A400S TH-32A410S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CQ2YY00122 AC CORD L0EYAA000052 SPEAKER UNIT L5EDDYY00593 LCD PANEL N2QAYB000818 REMOTE TRANSMITTER TBL5ZX08721 PEDESTAL ASSY (TH-32A400S) TBL5ZX06921 PEDESTAL ASSY (TH-32A410S)

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