Panasonic TH-L55ET60M Service Manual
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Panasonic TH-L55ET60M 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
5.2. SRV-TOOL -------------------------------------------------10
5.2.1. How to access ----------------------------------------10
Model No.
Chassis:
Destination:
PAGE
5.2.2. Display of SOS History ---------------------------- 10
5.2.3. POWER ON TIME/COUNT ----------------------- 10
5.2.4. Exit ------------------------------------------------------ 10
5.2.5. DRV Check - USBHDD Check------------------- 11
5.2.6. Hotel Mode-------------------------------------------- 11
6 Troubleshooting Guide --------------------------------------- 12
6.1. Check of the IIC bus lines------------------------------ 12
6.1.1. How to access --------------------------------------- 12
6.1.2. Self-check indication only: ------------------------ 12
shipment setting: ------------------------------------ 12
6.1.4. Exit ------------------------------------------------------ 12
6.1.5. Screen display --------------------------------------- 12
6.1.6. Check Point ------------------------------------------- 12
6.2. Power LED Blinking timing chart --------------------- 13
6.3. LCD Panel test mode ----------------------------------- 13
6.4. No Power--------------------------------------------------- 13
7.1. LCD Panel Preparation --------------------------------- 14
ORDER NO. MTV1304090CE
TH-L55ET60M
LA41
MIDDLE EAST
© Panasonic Corporation 2013.
LED TV
PAGE

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Summary of Contents for Panasonic TH-L55ET60M

  • Page 1: Table Of Contents

    5.1.4. Contents of adjustment mode --------------------- 9 7 Disassembly and Assembly Instructions--------------- 14 7.1. LCD Panel Preparation --------------------------------- 14 5.2. SRV-TOOL -------------------------------------------------10 5.2.1. How to access ----------------------------------------10 7.2. LCD Panel Fixing & Handling Method -------------- 15 © Panasonic Corporation 2013.
  • Page 2 TH-L55ET60M 7.3. LED Panel Assembly------------------------------------ 16 7.4. Button Preparation --------------------------------------- 17 7.5. Screw Part ------------------------------------------------- 18 7.6. Back Cover - Screw ------------------------------------- 19 7.7. Handling SPEC ------------------------------------------- 20 8 Measurements and Adjustments -------------------------- 21 8.1. Voltage chart of A-board-------------------------------- 21 8.2.

  • Page 3: Safety Precautions

    TH-L55ET60M 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-L55ET60M 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-L55ET60M 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-L55ET60M 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD TUN, OFDM, ADV, LD4, STBY EEP Repairable P BOARD Power Supply Repairable GK BOARD Function SW for LGD panel Repairable K BOARD LED/RM/CATS Repairable...

  • Page 7: Specifications

    TH-L55ET60M 4 Specifications Power Source AC 110-240 V, 50 / 60 Hz Power Rating 127 W Standby power consumption 0.2 W Visible screen size (diagonal) 139 cm 1,920 (W)  1,080 (H) Display resolution Panel LED backlight Liquid Crystal Display Dimensions (W ...
  • Page 8 TH-L55ET60M Operating Conditions Temperature : 0C - 40C Humidity : 20 % - 80 % RH (non-condensing) Built-in wireless LAN Standard compliance and Frequency range*: IEEE802.11a/n 5.15 GHz - 5.35 GHz, 5.47 GHz - 5.85 GHz IEEE802.11b/g/n 2.40 GHz - 2.4835 GHz...

  • Page 9: Service Mode

    TH-L55ET60M 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: Srv-Tool

    TH-L55ET60M 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: Drv Check - Usbhdd Check

    TH-L55ET60M 5.2.5. DRV Check - USBHDD Check 1. Select [DRV Check - USBHDD Check] in Service Mode. 2. Press [OK] button on the remote control for more than 3 seconds. 5.2.6. Hotel Mode 1. Purpose Restrict a function for hotels.

  • Page 12: Troubleshooting Guide

    TH-L55ET60M 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 13: Power Led Blinking Timing Chart

    TH-L55ET60M 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 14: Disassembly And Assembly Instructions

    TH-L55ET60M 7 Disassembly and Assembly Instructions 7.1. LCD Panel Preparation 1. Stick felt at bottom and side av bracket, inlet area. 2. Fix Speaker at panel. 3. Fix wifi cable at wifi metal. Description WIFI CABLE SIDE_AV_BRACKET SPEAKER_SQ FELT (6*50*T0.55) BOTTOM_AV_BRACKET FELT (10*14*T0.35)

  • Page 15: Lcd Panel Fixing & Handling Method

    TH-L55ET60M 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: Led Panel Assembly

    TH-L55ET60M 7.3. LED Panel Assembly 1. Insert wire in to K print. 2. Fix LED panel with pcb to led panel case. 3. Stick P-PCB barrier at panel. 4. Fix woofer and wifi metal at panel. 5. Fix LVDS FFC at panel PCB.

  • Page 17: Button Preparation

    TH-L55ET60M 7.4. Button Preparation 1. Fix P-PCB and A-PCB into panel. 2. Fix bottom metal at panel. 3. Fix pcb into key button bracket with screw and insert wire. Description Remark METAL_BRACKET_BOTTOM KEY_BUTTON_BRACKET P4-LD/GK4 SCREW (KEY) 5 ± 1 kgf.cm...

  • Page 18: Screw Part

    TH-L55ET60M 7.5. Screw Part Fix screw at all part. Part No Description Remark THEJ036J SCREW (P5/A6/SP4/WF3/KEY1/BTM4/RP3) 6 ± 1 kgf.cm THEC1509 SCREW (RP) 6 ± 1 kgf.cm THEJ056J SCREW (WOOFER) 6 ± 1 kgf.cm...

  • Page 19: Back Cover - Screw

    TH-L55ET60M 7.6. Back Cover - Screw 1. Fix wifi dongle back cover. 2. Fix screw at back cover. 3. Fix M6-cap at back cover. 4. Stick model no label at back cover. Part No Description Remark THEC1509 SCREW (BC27/WI-FI1) 6 ± 1 kgf.cm...

  • Page 20: Handling Spec

    TH-L55ET60M 7.7. 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 21: Measurements And Adjustments

    TH-L55ET60M 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 PANEL12V TP4000 / 4001 11.50V - 12.50V...

  • Page 22: Block Diagram

    TH-L50ET60M 9 Block Diagram 9.1. Main Block Diagram MAIN SD CARD DATA SD IF SD CARD SLOT SUB5V TUNER DDR_I/F DDR3 Paragon USB5V Y/PB/PR COMPONENT IN ANALOG-ASIC CVBS IN SUB3.3V SUB1.2V L/R IN OVP DET NAND SUB1.5 NAND_I/F FLASH SUB5V STB3.3V DIGITAL P15V...

  • Page 23: Detailed Block Diagram (1/2)

    TH-L50ET60M 9.2. Detailed Block Diagram (1/2) JK3101 MAIN POWER IC7301 IC7201 IC7503 STB5V Q7301, 5.8VS T7202, Q7302 T7302 PA7406 D7102 Q7201 RECTIFIER +16V CONVERTER SRV_15V Q7403 D7412,13 PA7403 +16V P15V DCDCIN CF7101 TP0002 +16V Q7402,04 DETECT D7403,7 IC7401 PC7301 PHOTO ERROR COUPLER DETCT...

  • Page 24: Detailed Block Diagram (2/2)

    TH-L50ET60M 9.3. Detailed Block Diagram (2/2) JK8600 SPEAKER_R SPEAKER_L WOOFER SD CARD D3201 JK8601 JK8602 JK4701 FACTORY JK8650A JK4702 JK4703 DIGITAL USB1 USB2 WiFi MAIN AUDIO OUT HDMI1 ETHERNET HDMI2 HDMI3 RF IN CN0100 IIC_0 IIC_2 IIC_2 UART TU6705 TUNER IIC_0 IC8660 IC8714...

  • Page 25: Wiring Connection Diagram

    TH-L55ET60M 10 Wiring Connection Diagram 10.1. Wire Dressing 1 1. Insert all connector and dressing all wire. Part No Description Remarks TEWF411 PET/AL 70 mm  12 pcs T4FP1505J 0.84 PET TAPE(0.07*12/0.11*1) 110 mm  1 pcs T4FP1505J 0.11 PET TAPE(0.07*12/0.11*1)

  • Page 26: Wire Dressing

    TH-L55ET60M 10.2. Wire Dressing 2...

  • Page 27: Schematic Diagram

    TH-L55ET60M 11 Schematic Diagram Model No. : TH-L55ET60M A-Board (1/12)
  • Page 28 Model No. : TH-L55ET60M A-Board (2/12)
  • Page 29 Model No. : TH-L55ET60M A-Board (3/12)
  • Page 30 Model No. : TH-L55ET60M A-Board (4/12)
  • Page 31 Model No. : TH-L55ET60M A-Board (5/12)
  • Page 32 Model No. : TH-L55ET60M A-Board (6/12)
  • Page 33 Model No. : TH-L55ET60M A-Board (7/12)
  • Page 34 Model No. : TH-L55ET60M A-Board (8/12)
  • Page 35 Model No. : TH-L55ET60M A-Board (9/12)
  • Page 36 Model No. : TH-L55ET60M A-Board (10/12)
  • Page 37 Model No. : TH-L55ET60M A-Board (11/12)
  • Page 38 Model No. : TH-L55ET60M A-Board (12/12)
  • Page 39 Model No. : TH-L55ET60M GK-Board...
  • Page 40 Model No. : TH-L55ET60M K-Board...
  • Page 41 Model No. : TH-L55ET60M P-Board (1/2)
  • Page 42 Model No. : TH-L55ET60M P-Board (2/2)

  • Page 43: Printed Circuit Board

    TH-L55ET60M 12 Printed Circuit Board Model No. : TH-L55ET60M A-Board (Top Component Side)
  • Page 44 Model No. : TH-L55ET60M A-Board (Bottom Component Side)
  • Page 45 Model No. : TH-L55ET60M GK-Board...
  • Page 46 Model No. : TH-L55ET60M K-Board...
  • Page 47 Model No. : TH-L55ET60M P-Board (Top Component Side)
  • Page 48 Model No. : TH-L55ET60M P-Board (Bottom Component Side)

  • Page 49: Exploded View And Replacement Parts List

    TH-L55ET60M 13 Exploded View and Replacement Parts List Model No. : TH-L55ET60M Parts Location...
  • Page 50 Model No. : TH-L55ET60M Packing Exploded View 1...
  • Page 51 Model No. : TH-L55ET60M Packing Exploded View 2...
  • Page 52 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITOR C2000 F1G1A105A047 C 1UF 10V C2009 F1G1H1020008 C 1000PF 50V C2012 F1G1E103A059 C 0.01UF 25V C2014 F1K1V106A010 C 10UF, 25V C2023 F1G1C104A077 C 0.1UF 16V...
  • Page 53 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5021 F1G1A105A047 C 1UF 10V C5022 F1G1A105A047 C 1UF 10V C5026 F1H1E105A153 C 1UF, 16V C5171 F1G1C1030008 C 0.01UF 16V C5181 F1G1H332A830 C 3300PF, 50V...
  • Page 54 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7302 F1J1H104A902 C 0.1UF, 50V C7303 F1J1H104A902 C 0.1UF, 50V C7304 F1A3A221A060 C 220PF 1KV C7305 F1J1H104A902 C 0.1UF, 50V C7306 F1J1H104A902 C 0.1UF, 50V...
  • Page 55 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8048 F1J0G2260001 C 22 UF 4 V C8049 F1G1C104A077 C 0.1UF 16V C8050 F1G1C104A077 C 0.1UF 16V C8051 F1G1C104A077 C 0.1UF 16V C8052...
  • Page 56 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8660 F1G1C104A077 C 0.1UF 16V C8661 F1G1C104A077 C 0.1UF 16V C8668 F1G1C104A077 C 0.1UF 16V C8669 F1J1A106A087 C 10UF, 10V C8670 F1J0G2260001 C 22 UF 4 V...
  • Page 57 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7309 B0JCME000093 DIODE D7310 B0JCME000093 DIODE D7311 B0BC027A0336 DIODE D7403 B0JBSL000046 DIODE D7404 DA2J10100L DIODE D7405 DA2J10100L DIODE D7407 B0JBSL000046 DIODE D7411 DA2J10100L...
  • Page 58 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L7202 J0JKB0000034 EMI FILTER L7204 J0JKB0000034 EMI FILTER L7207 J0JHC0000075 BEAD COIL L7301 J0JKB0000034 EMI FILTER L7502 G0C270MA0049 INDUCTOR L8100 G1C3R3MA0464 INDUCTOR L8101...
  • Page 59 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R2010 D1BA7151A023 M 7.15KOHM, F 1/16 W R2011 D0GA102JA039 M 1KOHM ,J, 1/10W R2012 D0GA473JA039 M 47KOHM J. 1/10W R2013 D0GAR00J0005 M 0 OHM, 1/16W...
  • Page 60 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4720 D0GA473JA039 M 47KOHM J. 1/10W R4721 D0GA473JA039 M 47KOHM J. 1/10W R4722 D1BA1800A023 M 180OHM ,F, 1/10W R4723 D1BA82R0A023 M 82OHM ,F, 1/10W...
  • Page 61 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R6730 D0GA103JA039 M 10KOHM,F,1/16W R6743 D0GA681JA023 M680 OHM, J,1/16W R6744 D0GA681JA023 M680 OHM, J,1/16W R7101 D0GF105JA048 M 1M OHM. 1/4W R7102 D0GF105JA048 M 1M OHM. 1/4W...
  • Page 62 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7411 D0GB224JA065 M 220KOHM,J,1/10W R7412 D0GB153JA065 M 15K OHM J 1/10W R7415 D0GD472JA052 M 4.7KOHM,J,1/8W R7416 D0GD103JA052 M 10KOHM,J,1/8W R7417 D0GD103JA052 M 10KOHM,J,1/8W...
  • Page 63 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8661 D0GA560JA023 M 56 OHM, J,1/16W R8662 D0GA560JA023 M 56 OHM, J,1/16W R8663 D0GA560JA023 M 56 OHM, J,1/16W R8664 D0GA560JA023 M 56 OHM, J,1/16W...
  • Page 64 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks JA12 D0GDR00J0004 CHIP RESISTOR JA13 D0GDR00J0004 CHIP RESISTOR D0GDR00J0004 CHIP RESISTOR D0GDR00J0004 CHIP RESISTOR D0GDR00J0004 CHIP RESISTOR D0GDR00J0004 CHIP RESISTOR D0GDR00J0004 CHIP RESISTOR...
  • Page 65 Model No. : TH-L55ET60M Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View EAK1H06A SPEAKER SQ K1HY05YY0055 WI FI CABLE K2CT2YY00089 AC CORD L0EYAA000024 WOOFER THIN BOX FE L5EDDYY00466 LCD PANEL N2QAYB000833 REMOTE TRANSMITTER...

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