Panasonic TH-L42ET60S Service Manual
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Panasonic TH-L42ET60S 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. Rear Panel Installation---------------------------------- 14
ORDER NO. MTV1301063CE
TH-L42ET60S
TH-L42ET60G
LA41
SINGAPORE
INDONESIA
© Panasonic Corporation 2013.
LED TV
PAGE

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  • Page 1: Table Of Contents

    6.4. No Power--------------------------------------------------- 13 5.1.4. Contents of adjustment mode --------------------- 9 7 Disassembly and Assembly Instructions--------------- 14 7.1. Rear Panel Installation---------------------------------- 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-L42ET60S TH-L42ET60G 7.3. Install AV Bracket to A-Print --------------------------- 16 7.4. Fitting Control Button------------------------------------ 17 7.5. Fix Metal Bracket BTM 1 ------------------------------- 18 7.6. Fix Metal Bracket BTM 2 ------------------------------- 19 7.7. Woofer & Barrier Installation -------------------------- 20 7.8. Barrier Sticking-------------------------------------------- 21 7.9.

  • Page 3: Safety Precautions

    TH-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 4 Specifications Power Source AC 110-240 V, 50 / 60 Hz Power Rating 92 W Standby power consumption 0.2 W Visible screen size (diagonal) 106 cm 1,920 (W)  1,080 (H) Display resolution Panel LED backlight Liquid Crystal Display Dimensions (W ...
  • Page 8 TH-L42ET60S TH-L42ET60G Aerial input VHF / UHF 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...

  • Page 9: Service Mode

    TH-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 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-L42ET60S TH-L42ET60G 7 Disassembly and Assembly Instructions 7.1. Rear Panel Installation 1. Install REAR PANEL assy to each side of panel. 2. Assemble K-Print to LED PANEL ASSY. 3. Follow the sequence TOP  RIGHT  LEFT  M panel.

  • Page 15: Lcd Panel Fixing & Handling Method

    TH-L42ET60S TH-L42ET60G 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: Install Av Bracket To A-Print

    TH-L42ET60S TH-L42ET60G 7.3. Install AV Bracket to A-Print Fix SIDE & BOTTOM AV BRACKET to A-Print. Description BOTTOM AV BRACKET...

  • Page 17: Fitting Control Button

    TH-L42ET60S TH-L42ET60G 7.4. Fitting Control Button 1. Insert K-Print into KEY BUTTON BRACKET. 2. Fix SCREW at K-Print to KEY BUTTON BRACKET. 3. Stick FELT to BTM & SIDE AV BRACKET. Description KEY BUTTON BRACKET P-LD/GK SCREW (KEY) SIDE AV BRACKET...

  • Page 18: Fix Metal Bracket Btm 1

    TH-L42ET60S TH-L42ET60G 7.5. Fix Metal Bracket BTM 1 1. Fix METAL BRACKET BTM to panel. 2. Install SP left & right. 3. Fix WIFI METAL to panel. Description CLAMPER METAL_BRACKET_BOTTOM WIFI_METAL SPEAKER SQ WIFI CABLE...

  • Page 19: Fix Metal Bracket Btm

    TH-L42ET60S TH-L42ET60G 7.6. Fix Metal Bracket BTM 2 1. Fix all SCREW follow diagram below. 2. Put STAND METAL & BARCODE LABEL into BAG. 3. Seal the BAG with PAPER TAPE. Description Remarks SCREW (WOOFER) 6 ± 1Kgfcm SCREW (RP) 6 ±...

  • Page 20: Woofer & Barrier Installation

    TH-L42ET60S TH-L42ET60G 7.7. Woofer & Barrier Installation 1. Install WOOFER & BARRIER at panel. 2. Stick FELT at AC Inlet. Description P-PCB_BARRIER WOOFER THIN BOX FE FELT (10*14*T0.35) FELT (10*85*T0.55)

  • Page 21: Barrier Sticking

    TH-L42ET60S TH-L42ET60G 7.8. Barrier Sticking 1. Install WIFI DONGLE to B/COVER. 2. Stick KEY BUTTON LABEL to B/COVER. 3. Stick MODEL NAME LABEL to B/COVER. Description WIFI DONGLE KEY BUTTON SHEET...

  • Page 22: Tightening Screw

    TH-L42ET60S TH-L42ET60G 7.9. Tightening Screw Description SCREW M6 CAP...

  • Page 23: Handling Spec

    TH-L42ET60S TH-L42ET60G 7.10. 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-L42ET60S TH-L42ET60G 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 25: Block Diagram

    TH-L42ET60S TH-L42ET60G 9 Block Diagram 9.1. Main Block Diagram MAIN SD CARD DATA SD IF SD CARD SLOT IFD_OUT TUNER SUB5V Parallel_TS DTMB TS I/F DDR_I/F DDR3 Paragon USB5V Y/PB/PR COMPONENT IN CVBS IN SUB3.3V SUB1.2V L/R IN OVP DET NAND SUB1.5...

  • Page 26: Detailed Block Diagram (1/2)

    TH-L42ET60S TH-L42ET60G 9.2. Detailed Block Diagram (1/2) JK3101 MAIN POWER IC7301, IC7503 STB5V IC7201, Q7301, 5.8VS T7201, Q7302 T7301 PA7406 D7106 Q7201 RECTIFIER +16V SRV_15V CONVERTER Q7403 D7408,9 PA7403 +16V P15V DCDCIN CF7101 TP0002 +16V Q7402,04 DETECT D7403,7 IC7401 PC7301...

  • Page 27: Detailed Block Diagram (2/2)

    TH-L42ET60S TH-L42ET60G 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...

  • Page 28: Wiring Connection Diagram

    TH-L42ET60S TH-L42ET60G 10 Wiring Connection Diagram 10.1. Wire Dressing 1 1. Assemble wire dressing according to diagram below. 2. Refer next page for detail assemble. PET TAPE CLAMPERS CABLES A02 - P2 A10 - K10 A20 - USB A12 - SPR...

  • Page 29: Wire Dressing

    TH-L42ET60S TH-L42ET60G 10.2. Wire Dressing 2 Description LVDS FFC (41 PIN) LVDS FFC (51 PIN) PET TAPE (0.07*3) 0.21 PET/AL (10  120)

  • Page 30: Schematic Diagram

    TH-L42ET60S TH-L42ET60G 11 Schematic Diagram Model No. : TH-L42ET60S TH-L42ET60G A-Board (1/13)
  • Page 31 Model No. : TH-L42ET60S TH-L42ET60G A-Board (2/13)
  • Page 32 Model No. : TH-L42ET60S TH-L42ET60G A-Board (3/13)
  • Page 33 Model No. : TH-L42ET60S TH-L42ET60G A-Board (4/13)
  • Page 34 Model No. : TH-L42ET60S TH-L42ET60G A-Board (5/13)
  • Page 35 Model No. : TH-L42ET60S TH-L42ET60G A-Board (6/13)
  • Page 36 Model No. : TH-L42ET60S TH-L42ET60G A-Board (7/13)
  • Page 37 Model No. : TH-L42ET60S TH-L42ET60G A-Board (8/13)
  • Page 38 Model No. : TH-L42ET60S TH-L42ET60G A-Board (9/13)
  • Page 39 Model No. : TH-L42ET60S TH-L42ET60G A-Board (10/13)
  • Page 40 Model No. : TH-L42ET60S TH-L42ET60G A-Board (11/13)
  • Page 41 Model No. : TH-L42ET60S TH-L42ET60G A-Board (12/13)
  • Page 42 Model No. : TH-L42ET60S TH-L42ET60G A-Board (13/13)
  • Page 43 Model No. : TH-L42ET60S TH-L42ET60G GK-Board...
  • Page 44 Model No. : TH-L42ET60S TH-L42ET60G K-Board...
  • Page 45 Model No. : TH-L42ET60S TH-L42ET60G P-Board (1/2)
  • Page 46 Model No. : TH-L42ET60S TH-L42ET60G P-Board (2/2)

  • Page 47: Printed Circuit Board

    TH-L42ET60S TH-L42ET60G 12 Printed Circuit Board Model No. : TH-L42ET60S TH-L42ET60G A-Board (Top Component Side)
  • Page 48 Model No. : TH-L42ET60S TH-L42ET60G A-Board (Bottom Component Side)
  • Page 49 Model No. : TH-L42ET60S TH-L42ET60G GK-Board...
  • Page 50 Model No. : TH-L42ET60S TH-L42ET60G K-Board...
  • Page 51 Model No. : TH-L42ET60S TH-L42ET60G P-Board (Top Component Side)
  • Page 52 Model No. : TH-L42ET60S TH-L42ET60G P-Board (Bottom Component Side)

  • Page 53: Exploded View And Replacement Parts List

    TH-L42ET60S TH-L42ET60G 13 Exploded View and Replacement Parts List Model No. : TH-L42ET60S TH-L42ET60G Parts Location...
  • Page 54 Model No. : TH-L42ET60S TH-L42ET60G Packing Exploded View 1...
  • Page 55 Model No. : TH-L42ET60S TH-L42ET60G Packing Exploded View 2...
  • Page 56 Model No. : TH-L42ET60S TH-L42ET60G 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 57 Model No. : TH-L42ET60S TH-L42ET60G 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...
  • Page 58 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C6838 F1G1C104A077 C 0.1UF 16V C6840 F1G1C104A077 C 0.1UF 16V C6844 F1G1C104A077 C 0.1UF 16V C6847 F1G1H8R0A833 C 8PF , 50V C6848...
  • Page 59 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8015 F1G1A105A047 C 1UF 10V C8016 F1G1C104A077 C 0.1UF 16V C8018 F1G1C104A077 C 0.1UF 16V C8019 F1J0G2260001 C 22 UF 4 V...
  • Page 60 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8232 F1G1C104A077 C 0.1UF 16V C8233 F1G1C104A077 C 0.1UF 16V C8234 F1G1C104A077 C 0.1UF 16V C8236 F1H0J4750004 C 4.7UF, 16V C8237 F1G1A105A047...
  • Page 61 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D5172 DZ2J220M0L DIODE D5173 DA2J10100L DIODE D5178 DZ2J068M0L DIODE D5179 B0ADCK000001 DIODE D5180 DZ2J033M0L DIODE D5187 DZ2J047M0L DIODE D5188 B0ADCK000001 DIODE D5191...
  • Page 62 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks IC8900 TVRT247AA ROM IC (C3FBVY000034) COIL L4000 J0ZZB0000147 COIL L4001 J0ZZB0000147 COIL L4002 J0ZZB0000147 COIL L4003 J0ZZB0000147 COIL L4004 J0ZZB0000147 COIL L4005...
  • Page 63 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Q7407 B1CBGD000001 TRANSISTOR Q7501 B1ABGE000015 TRANSISTOR Q8750 B1ABBE000003 TRANSISTOR Q8751 B1ABBE000003 TRANSISTOR RESISTORS R0900 D0GA473JA039 M 47KOHM J. 1/10W R0901 D0GA332JA023 M 3.3KOHM, J,1/16W...
  • Page 64 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R3058 D0GA330JA023 M 33 OHM, J,1/16W R3063 D0GA103JA039 M 10KOHM,F,1/16W R3064 D0GAR00J0005 M 0 OHM, 1/16W R3121 D0GA101JA039 M 100OHM ,J, 1/10W...
  • Page 65 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5177 D0GA473JA039 M 47KOHM J. 1/10W R5178 D0GA473JA039 M 47KOHM J. 1/10W R5179 D0GA102JA039 M 1KOHM ,J, 1/10W R5203 D0GA473JA039 M 47KOHM J. 1/10W...
  • Page 66 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7204 D0GF101JA047 M 100 OHM,J,1/3W R7205 D0GD470JA052 M 47 OHM,J,1/8W R7206 D0GD4R7JA059 M 4.7 OHM,J,1/4W R7207 D0GB473JA065 M 47KOHM J. 1/10W R7209 D0AF2R2JA112 C 2.2 OHM, J,1/2W...
  • Page 67 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7504 D0GD224JA052 M 220KOHM,J,1/8W R7505 D0GD473JA052 M 47KOHM,J,1/8W R7506 D1BD1203A076 M 120KOHM,J,1/8W R7507 D1BD3652A177 M 36.5KOHM ,F, 1/16W R7508 D0GD334JA052 M 330KOHM,J,1/8W...
  • Page 68 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8667 D1H85604A042 M 85.6KOHM ,J, 1/16W R8668 D1H85604A042 M 85.6KOHM ,J, 1/16W R8669 D0GA560JA023 M 56 OHM, J,1/16W R8671 D1BB1200A106 M 120OHM,F 1/10W...
  • Page 69 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks JK3101 K1U510E00001 TERMINAL JK4701 K1FY119E0070 TERMINAL JK4702 K1FY119E0070 TERMINAL JK4703 K1FY119E0070 TERMINAL JK7101 K2AAYB000010 AC INLET JK8600 K1NA12E00016 CONNECTOR JK8601 K1FY104B0093 USB TERMINAL...
  • Page 70 Model No. : TH-L42ET60S TH-L42ET60G Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View EAK1H06A SPEAKER SQ K1HY05YY0057 WI FI CABLE K2CQ2YY00107 AC CORD L0EYAA000024 WOOFER THIN BOX FE L5EDDYY00463 LCD PANEL N2QAYB000831 REMOTE TRANSMITTER...

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