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Panasonic TH-32F400A Service Manual
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Panasonic TH-32F400A 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
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
5.1.7. Hotel Mode --------------------------------------------- 9
Model No.
Chassis:
Destination:
PAGE
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. LED Panel Ass'y ----------------------------------------- 13
7.2. LCD Panel Assembly ----------------------------------- 14
7.3. Metal Bracket 1 ------------------------------------------ 15
7.4. Metal Bracket 2 ------------------------------------------- 16
7.5. PCB Installation ------------------------------------------ 17
7.6. SP Bracket & Metal Bottom ------------------------- 18
7.7. Screw Fixing ---------------------------------------------- 19
ORDER NO. MTV1801122CE
TH-32F400A
TH-32F400Z
KM36
AUSTRALIA / NEW ZEALAND
© Panasonic Corporation 2018.
LED TV
PAGE

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  • Page 1: Table Of Contents

    7.4. Metal Bracket 2 ------------------------------------------- 16 5.1.5. Display of SOS History ------------------------------ 9 7.5. PCB Installation ------------------------------------------ 17 5.1.6. Exit-------------------------------------------------------- 9 7.6. SP Bracket & Metal Bottom ------------------------- 18 5.1.7. Hotel Mode --------------------------------------------- 9 7.7. Screw Fixing ---------------------------------------------- 19 © Panasonic Corporation 2018.
  • Page 2 TH-32F400A TH-32F400Z 7.8. Vesa Metal (BC) ------------------------------------------ 20 7.9. Pedestal Ass’y -------------------------------------------- 21 7.10. Back Cover Installation -------------------------------- 22 7.11. Handling SPEC ------------------------------------------- 23 8 Measurements and Adjustments -------------------------- 24 8.1. Voltage chart of A-board-------------------------------- 24 8.2. Voltage chart of P-board-------------------------------- 24 9 Block Diagram --------------------------------------------------- 25 9.1.

  • Page 3: Safety Precautions

    TH-32F400A TH-32F400Z 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-32F400A TH-32F400Z 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-32F400A TH-32F400Z 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-32F400A TH-32F400Z 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-32F400A TH-32F400Z 4 Specifications Power Rating AC 220 - 240 V, 50 / 60 Hz 0.56 A Normal (Home) mode 38 W Standby power consumption 0.35 W Display panel Panel LED backlight Liquid Crystal Display Visible screen size (diagonal) 80 cm Display resolution 1 366 (W) ×...

  • Page 8: Service Mode

    TH-32F400A TH-32F400Z 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-32F400A TH-32F400Z 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-32F400A TH-32F400Z 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-32F400A TH-32F400Z 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-32F400A TH-32F400Z 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-32F400A TH-32F400Z 7 Disassembly and Assembly Instructions 7.1. 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.

  • Page 14: Lcd Panel Assembly

    TH-32F400A TH-32F400Z 7.2. LCD Panel Assembly Stick barrier on LCD panel. Description ASS’Y 32 INHOUSE PANEL BARRIER...

  • Page 15: Metal Bracket

    TH-32F400A TH-32F400Z 7.3. Metal Bracket 1 1. Install Vesa Metal on panel. 2. Install Pedestal Metal Bracket. Description VESA METAL PEDESTAL METAL BRACKET...

  • Page 16: Metal Bracket

    TH-32F400A TH-32F400Z 7.4. Metal Bracket 2 1. Install Key Button Bracket. 2. Install Side AV Bracket. Description KEY BUTTON BRACKET SIDE AV BRACKET...

  • Page 17: Pcb Installation

    TH-32F400A TH-32F400Z 7.5. PCB Installation 1. Install P & A-Board. 2. Fix A-PCB Bracket. Description A-PCB BRACKET GROUND SPRING...

  • Page 18: Sp Bracket & Metal Bottom

    TH-32F400A TH-32F400Z 7.6. SP Bracket & Metal Bottom Fix speaker left & right. Description SPEAKER UNIT SPEAKER BRACKET SP SPONGE...

  • Page 19: Screw Fixing

    TH-32F400A TH-32F400Z 7.7. Screw Fixing Fix all screw follow below picture. Description Remarks SCREW (A2/P5/VESA2/SP4/MTLBRKT4) 60 ± 10 N. cm...

  • Page 20: Vesa Metal (Bc)

    TH-32F400A TH-32F400Z 7.8. Vesa Metal (BC) Install vesa metal into back cover. Description VESA METAL (BC)

  • Page 21: Pedestal Ass'y

    TH-32F400A TH-32F400Z 7.9. Pedestal Ass’y Fix rubber foot at base cover. Description BASE COVER - R BASE COVER - L RUBBER FOOT BAG (PEDESTAL - R) QR CODE LABEL (PEDESTAL - R) QR CODE LABEL (PEDESTAL - L) BAG (PEDESTAL - L)

  • Page 22: Back Cover Installation

    TH-32F400A TH-32F400Z 7.10. Back Cover Installation 1. Install Back cover. 2. Fix screws according to the back cover screw tourque. Description Remarks SCREW (BC16) 60 ± 10 N. cm SCREW (BC4) 60 ± 10 N. cm...

  • Page 23: Handling Spec

    TH-32F400A TH-32F400Z 7.11. Handling SPEC ■ Moving the LCD module The module should be handle by two people and hold on that top and bottom long side by both hands without module warping. Never handle the module with keeping horizontal position when moving the module in order to avoid internal damage and deformation.

  • Page 24: Measurements And Adjustments

    TH-32F400A TH-32F400Z 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 25: Block Diagram

    TH-32F400A TH-32F400Z 9 Block Diagram 9.1. Main Block Diagram PANEL 32/40/43/ Audio AMP 49/55” I2S AMP 10W x 2 YAMAHA LVDS HD : (DATA 4pairs / CLK 1pair) single8bit Audio AMP FHD: (DATA 4pairs / CLK 1pair) Sub woofer I2S AMP...

  • Page 26: Wiring Connection Diagram

    TH-32F400A TH-32F400Z 10 Wiring Connection Diagram 10.1. Wire Dressing 1 Arrange the wire dressing as below spec. Description Remarks PET TAPE 0.36 0.06 × (6 PCS) PET TAPE 0.11 0.11 × (1 PCS) LVDS CABLE...

  • Page 27: Wire Dressing

    TH-32F400A TH-32F400Z 10.2. Wire Dressing 2 Arrange the wire dressing as below spec. Description WIRE (A02-P02) WIRE (A10-K10) WIRE (A12-SP)

  • Page 28: Schematic Diagram

    TH-32F400A TH-32F400Z 11 Schematic Diagram Model No. : TH-32F400A TH-32F400Z A-Board (1/13)
  • Page 29 Model No. : TH-32F400A TH-32F400Z A-Board (2/13)
  • Page 30 Model No. : TH-32F400A TH-32F400Z A-Board (3/13)
  • Page 31 Model No. : TH-32F400A TH-32F400Z A-Board (4/13)
  • Page 32 Model No. : TH-32F400A TH-32F400Z A-Board (5/13)
  • Page 33 Model No. : TH-32F400A TH-32F400Z A-Board (6/13)
  • Page 34 Model No. : TH-32F400A TH-32F400Z A-Board (7/13)
  • Page 35 Model No. : TH-32F400A TH-32F400Z A-Board (8/13)
  • Page 36 Model No. : TH-32F400A TH-32F400Z A-Board (9/13)
  • Page 37 Model No. : TH-32F400A TH-32F400Z A-Board (10/13)
  • Page 38 Model No. : TH-32F400A TH-32F400Z A-Board (11/13)
  • Page 39 Model No. : TH-32F400A TH-32F400Z A-Board (12/13)
  • Page 40 Model No. : TH-32F400A TH-32F400Z A-Board (13/13)
  • Page 41 Model No. : TH-32F400A TH-32F400Z K-Board...
  • Page 42 Model No. : TH-32F400A TH-32F400Z P-Board (1/2)
  • Page 43 Model No. : TH-32F400A TH-32F400Z P-Board (2/2)

  • Page 44: Printed Circuit Board

    TH-32F400A TH-32F400Z 12 Printed Circuit Board Model No. : TH-32F400A TH-32F400Z A-Board (Top Component Side)
  • Page 45 Model No. : TH-32F400A TH-32F400Z A-Board (Bottom Component Side)
  • Page 46 Model No. : TH-32F400A TH-32F400Z K-Board (Bottom Component Side)
  • Page 47 Model No. : TH-32F400A TH-32F400Z P-Board (Top Component Side)
  • Page 48 Model No. : TH-32F400A TH-32F400Z P-Board (Bottom Component Side)

  • Page 49: Exploded View And Replacement Parts List

    TH-32F400A TH-32F400Z 13 Exploded View and Replacement Parts List Model No. : TH-32F400A TH-32F400Z Parts Location...
  • Page 50 Model No. : TH-32F400A TH-32F400Z Packing Exploded View 1...
  • Page 51 Model No. : TH-32F400A TH-32F400Z Packing Exploded View 2...
  • Page 52 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITORS C2008 F1G1E103A144 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 53 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C4901 F1K1V106A010 C 10UF, 35V C4902 F1J1E105A287 C 1UF, 25V C4903 F1K1V106A010 C 10UF, 35V C4904 F1J1E105A287 C 1UF, 25V C4905 F1H1C105A167...
  • Page 54 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7103 F1AAF471A019 C 470PF, 240V C7104 F1AAF471A019 C 470PF, 240V C7105 F1AAF101A019 C 100PF, 240V C7106 F1AAF101A019 C 100PF, 240V C7301 F2A2W650A304...
  • Page 55 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8117 F1G1C104A146 C 0.1UF, 16V C8118 F1J0J2260004 C 22UF, 6.3V C8121 F1K1V106A010 C 10UF, 35V C8123 F1G1C104A146 C 0.1UF, 16V C8124 F1G1C103A173 C 0.01UF, 16V...
  • Page 56 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D2006 D4ED11200003 DIODE D2008 D4ED11200003 DIODE D2800 DZ2J056M0L DIODE D2802 B3AGB0000083 D2851 DZ2J068M0L DIODE D2852 DZ2J068M0L DIODE D3055 D4EDY5R5A038 DIODE D3056 D4EDY5R5A038...
  • Page 57 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7321 DA2J10100L DIODE D7322 DZ2J047M0L DIODE D7325 B0ACCD000008 DIODE D7327 B0BC02700041 DIODE D7501 B0ACCD000008 DIODE D7502 B0JBSM000009 DIODE D7509 B0EALN000001 DIODE D7510...
  • Page 58 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L7501 J0JYA0000035 BEAD CORE L7803 J0JYA0000035 BEAD CORE L7808 G0C101K00066 COIL L7951 J0JYA0000035 BEAD CORE L8008 J0JYC0000464 BEAD CORE L8048 G1C4R7ZA0311 INDUCTOR...
  • Page 59 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R0927 D0GA680JA039 M 68 OHM, J, 1/16W R0928 D0GA680JA039 M 68 OHM, J, 1/16W R0929 D0GA102JA039 M 1K OHM, J, 1/16W R0930...
  • Page 60 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R3193 D0GA101JA039 M 100 OHM, J, 1/16W R3194 D1BD75R0A066 M 75 OHM, F, 1/8W R3196 D0GA101JA039 M 100 OHM, J, 1/16W R3201...
  • Page 61 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5075 D0GA473JA039 M 47K OHM, J, 1/16W R5076 D0GA103JA039 M 10K OHM, J, 1/16W R5077 D0GA473JA039 M 47K OHM, J, 1/16W R5078...
  • Page 62 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7313 D0GD220JA059 M 22 OHM, J, 1/4W R7314 D0GD681JA059 M 680 OHM, J, 1/4W R7315 D0C1R47JA104 M 1.4 OHM, J, 2W R7316 D0C1R56JA104 M 1.56 OHM, J, 2W...
  • Page 63 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7837 D0GB473JA065 M 47K OHM, J, 1/10W R7847 D0GD394JA052 M 390K OHM, J, 1/8W R7848 D0GD334JA052 M 330K OHM, J, 1/8W R7857...
  • Page 64 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks TRANSFORMER T7301 G4DYA0000567 TRANSFORMER OTHERS K1KY14BA0484 CONNECTOR K1KY07BA0483 CONNECTOR K1KY04BA0387 CONNECTOR K1MY30B00008 CONNECTOR CF7102 D4CAY4R7A096 THERMISTORS RESISTOR CN0100 K1KA14A00248 CONNECTOR F7101 K5E502YYA213...
  • Page 65 Model No. : TH-32F400A TH-32F400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CJ2YY00087 AC CORD L0EYAA000052 SPEAKER UNIT N2QAYB001116 REMOTE_TRANSMITTER TBX5ZA03303A KEY BUTTON BRACKET TKK5ZC50502 LED PANEL TKP5ZA48902 SIDE AV BRACKET TPC4GA45501...

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