Panasonic TH-32A300M Service Manual
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Panasonic TH-32A300M Service Manual

Chassis: km22
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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. Contents of adjustment mode --------------------- 8
5.1.3. How to exit---------------------------------------------- 8
5.1.4. Display of SOS History ------------------------------ 8
5.1.5. POWER ON TIME/COUNT ------------------------ 8
5.1.6. Exit-------------------------------------------------------- 8
Model No.
Chassis:
Destination:
PAGE
5.1.7. Self Check Mode --------------------------------------9
5.1.8. Hotel Mode Adjustment ------------------------------9
5.1.9. 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
6.2. Power LED Blinking timing chart --------------------- 11
6.3. No Power--------------------------------------------------- 11
7.1. LED Panel and Bracket Ass'y------------------------- 12
7.3. LCD Panel Assembly ----------------------------------- 14
7.4. SP Bracket & Metal Bottom --------------------------- 15
7.5. Metal Bracket --------------------------------------------- 16
7.6. PCB Installation ------------------------------------------ 17
7.7. Pedestal Ass'y -------------------------------------------- 18
ORDER NO. MTV1401249CE
TH-32A300M
KM22
MIDDLE EAST
© Panasonic Corporation 2014.
LED TV
PAGE

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Summary of Contents for Panasonic TH-32A300M

  • Page 1: Table Of Contents

    7.4. SP Bracket & Metal Bottom --------------------------- 15 5.1.4. Display of SOS History ------------------------------ 8 7.5. Metal Bracket --------------------------------------------- 16 7.6. PCB Installation ------------------------------------------ 17 5.1.5. POWER ON TIME/COUNT ------------------------ 8 5.1.6. Exit-------------------------------------------------------- 8 7.7. Pedestal Ass’y -------------------------------------------- 18 © Panasonic Corporation 2014.
  • Page 2 TH-32A300M 7.8. Vesa Metal (BC) ------------------------------------------ 19 7.9. Back Cover Installation --------------------------------- 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-32A300M 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-32A300M 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-32A300M 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-32A300M 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-32A300M 4 Specifications Power source AC Auto 110 - 240V, 50/60 Hz Power consumption (Rated power / Standby power) 63 W / 0.35 W Display panel Panel TFT LCD Module with LED Backlight Visible screen size (diagonal) 80 cm 1,366 (W)  768 (H) Display resolution Dimensions (W ...

  • Page 8: Service Mode

    TH-32A300M 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: Self Check Mode

    TH-32A300M 5.1.8. 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. NOTE: After self check, the following process need to follow.

  • Page 10: Troubleshooting Guide

    TH-32A300M 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-32A300M 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: Disassembly And Assembly Instructions

    TH-32A300M 7 Disassembly and Assembly Instructions 7.1. LED Panel and Bracket Ass’y 1. Fixing wire A10 to K PCB. 2. Fixing K PCB to LED PANEL. 3. Fixing LED panel to cabinet. Description LED PANEL...

  • Page 13: Lcd Panel Fixing & Handling Method

    TH-32A300M 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 14: Lcd Panel Assembly

    TH-32A300M 7.3. LCD Panel Assembly Install LCD panel to cabinet. Description LCD PANEL CABINET ASSY...

  • Page 15: Sp Bracket & Metal Bottom

    TH-32A300M 7.4. SP Bracket & Metal Bottom 1. Fix speaker left & right. 2. Fix key button. 3. Stick felt TMK4GA099 2 PC on PANEL. 4. Stick SP.SPONGE 2 pc at speaker. PartNo Description L0EYAA000043 SPEAKER UNIT TBX5ZA02201 KEY_BUTTON FELT (180  5  t0.55)

  • Page 16: Metal Bracket

    TH-32A300M 7.5. Metal Bracket Description Remarks LCD_MTG_SIDE METAL VERTICAL R METAL VERTICAL L METAL_CH_FRAME-A SPEAKER_BRACKET SCREW (A4/P2/MTL_VL1) 4 ~ 5 kgf.cm SCREW (MTL_VR2/MTL_VL) 4 ~ 5 kgf.cm...

  • Page 17: Pcb Installation

    TH-32A300M 7.6. PCB Installation 1. Install P & A-Board and fix it with screws. 2. Install Side AV Bracket and fix it with screws. Description Remarks SCREW (A4/P2/MTL_VL1) 4 ~ 5 kgf.cm SCREW (SP BRKT) 8 ± 1 kgf.cm SIDE AV BRACKET...

  • Page 18: Pedestal Ass'y

    TH-32A300M 7.7. Pedestal Ass’y Fix rubber foot 5 pc at base cover. Part No Description TBL5ZX06921 PEDESTAL ASSY TBL5ZB33361 BASE COVER TBL5ZG30211 RUBBER FOOT TPE4GH055 BAG FOR PEDESTAL...

  • Page 19: Vesa Metal (Bc)

    TH-32A300M 7.8. Vesa Metal (BC) 1. Stick sponge at speaker area right & left. 2. Install vesa metal 2 pc into back cover. Description SPONGE VESA METAL...

  • Page 20: Back Cover Installation

    TH-32A300M 7.9. Back Cover Installation 1. Install back cover. 2. Fix screws. Description Remarks BACK COVER SCREW (B7) 6 ± 1 Kgf.cm SCREW (AV5) 6 ± 1 Kgf.cm SCREW (BC8) 9 ± 1 Kgf.cm...

  • Page 21: Measurements And Adjustments

    TH-32A300M 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 Remark SUB1.8V TP8705 1.74 - 1.90 SUB1.2V TP8704 1.14 - 1.26...

  • Page 22: Block Diagram

    TH-32A300M 9 Block Diagram 9.1. Main Block Diagram PANEL 32” 5W x 2 / Audio AMP 39” 10W x 2 I2S AMP HD/FHD LVDS YAMAHA HD : (DATA 4pairs / CLK 1pair) single8bit FHD: (DATA 4pairs / CLK 1pair) dual8bit Sub3.3V...

  • Page 23: Wiring Connection Diagram

    TH-32A300M 10 Wiring Connection Diagram 10.1. Wire Dressing Do wire dressing follow below spec: Description Remarks 0.07  4 PET TAPE (GREY W=15mm) 0.28 0.10  2 LVDS CABLE CLAMPER...

  • Page 24: Schematic Diagram

    TH-32A300M 11 Schematic Diagram Model No. : TH-32A300M A-Board (1/11)
  • Page 25 Model No. : TH-32A300M A-Board (2/11)
  • Page 26 Model No. : TH-32A300M A-Board (3/11)
  • Page 27 Model No. : TH-32A300M A-Board (4/11)
  • Page 28 Model No. : TH-32A300M A-Board (5/11)
  • Page 29 Model No. : TH-32A300M A-Board (6/11)
  • Page 30 Model No. : TH-32A300M A-Board (7/11)
  • Page 31 Model No. : TH-32A300M A-Board (8/11)
  • Page 32 Model No. : TH-32A300M A-Board (9/11)
  • Page 33 Model No. : TH-32A300M A-Board (10/11)
  • Page 34 Model No. : TH-32A300M A-Board (11/11)
  • Page 35 Model No. : TH-32A300M K-Board...
  • Page 36 Model No. : TH-32A300M P-Board...

  • Page 37: Printed Circuit Board

    TH-32A300M 12 Printed Circuit Board Model No. : TH-32A300M A-Board (Top Component Side)
  • Page 38 Model No. : TH-32A300M A-Board (Bottom Component Side)
  • Page 39 Model No. : TH-32A300M K-Board...
  • Page 40 Model No. : TH-32A300M P-Board (Top Component Side)
  • Page 41 Model No. : TH-32A300M P-Board (Bottom Component Side)

  • Page 42: Exploded View And Replacement Parts List

    TH-32A300M 13 Exploded View and Replacement Parts List Model No. : TH-32A300M Parts Location...
  • Page 43 Model No. : TH-32A300M Packing Exploded View 1...
  • Page 44 Model No. : TH-32A300M Packing Exploded View 2...
  • Page 45 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITORS C2001 F1G1E103A059 C 0.01UF 25V C2003 F1G1H1020008 C 1000PF 50V C2007 F1H1E104A161 C 0.1UF, 25V C2008 F1JZZ1060001 C 10UF, 20V C2009 F1G1C104A077 C 0.1UF 16V...
  • Page 46 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C4837 F1G1C104A077 C 0.1UF 16V C4838 F1G1C104A077 C 0.1UF 16V C4839 F1G1C104A077 C 0.1UF 16V C4840 F1G1C104A077 C 0.1UF 16V C4841 F1G1C104A077 C 0.1UF 16V...
  • Page 47 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C6759 F1G1H181A834 C 180PF, 50V C6760 F1G1H1020008 C 1000PF 50V C6762 F1G1H1020008 C 1000PF 50V C6763 F1G1C104A077 C 0.1UF 16V C6764 F1G1C104A077 C 0.1UF 16V...
  • Page 48 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8027 F1G1C104A077 C 0.1UF 16V C8031 F1G1C104A077 C 0.1UF 16V C8033 F1G1C104A077 C 0.1UF 16V C8034 F1G1C104A077 C 0.1UF 16V C8035 F1G1C104A077 C 0.1UF 16V...
  • Page 49 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8721 F1J1A106A043 C 10UF, 10V C8722 F1K1V106A010 C 10UF, 25V C8724 F1G1C104A077 C 0.1UF 16V C8725 F1G1C1030008 C 0.01UF 16V C8726 F1G1E472A144 C 4700pF 25V...
  • Page 50 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7301 B0HAGQ000001 DIODE D7303 B0BC01500025 DIODE D7306 B0BB140A0011 DIODE D7307 DZ2J068M0L DIODE D7313 B0ACCD000008 DIODE D7316 B0ACCD000008 DIODE D7317 DA2JF2300L DIODE D7320 B0JAME000126...
  • Page 51 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L6772 G1CR27JA0097 COIL L6773 G1CR27JA0097 COIL L6774 G1CR27JA0097 COIL L6776 G1CR27JA0097 COIL L6777 G1CR22JA0097 COIL L6778 G1CR22JA0097 COIL L6779 J0JYC0000464 BEAD CORE L7101...
  • Page 52 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R0976 D0GA680JA023 M 68 OHM, J,1/16W R0977 D0GA680JA023 M 68 OHM, J,1/16W R0978 D0GA272JA023 M 2.7KOHM, J.1/16W R0979 D0GA272JA023 M 2.7KOHM, J.1/16W R1955...
  • Page 53 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R3190 D0GA222JA023 M 2.2KOHM, J,1/16W R3191 D0GA222JA023 M 2.2KOHM, J,1/16W R3192 D0GA101JA039 M 100OHM,J.1/10W R3193 D0GA101JA039 M 100OHM,J.1/10W R3194 D1BD56R0A179 M 56OHM ,J, 1/16W...
  • Page 54 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5006 D0GA563JA023 M 56KOHM, J,0.063W R5007 D0GA223JA023 M 22K OHM J 1/16W R5009 D1BA5602A023 M 56KOHM,F. 1/16 W R5010 D0GA102JA039 M 1KOHM ,J, 1/10W...
  • Page 55 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7509 D0GD752JA052 M 7.5KOHM J 1/10W R7511 D0GD103JA052 M 10KOHM,J,1/8W R7512 D0GD472JA052 M 4.7KOHM,J,1/8W R7513 D0GD752JA052 M 7.5KOHM J 1/10W R7514 D0GD752JA052 M 7.5KOHM J 1/10W...
  • Page 56 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8717 D1BA4702A023 M 47 KOHM,F.1/16 W R8722 D0GAR00J0005 M 0 OHM, 1/16W R8723 D0GAR00J0005 M 0 OHM, 1/16W R8725 D0GAR00J0005 M 0 OHM, 1/16W...
  • Page 57 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks ZA7104 K4AD01A00004 RUG TERMINAL...
  • Page 58 Model No. : TH-32A300M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CT2YY00091 AC CORD L0EYAA000043 SPEAKER L5EDDYY00460 LCD PANEL N2QAYB000823 REMOTE TRANSMITTER TBL5ZX06921 PEDESTAL ASSY TBL5ZX06931 STAND MOULD ASSY TBM4GD4461 MODEL NAME PLATE...

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