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Panasonic TH-L50E6S Service Manual
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Panasonic TH-L50E6S 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 ------------------------------------------------- 11
5.2.1. How to access ---------------------------------------- 11
Model No.
Chassis:
Destination:
PAGE
5.2.2. Display of SOS History ---------------------------- 11
5.2.3. POWER ON TIME/COUNT ----------------------- 11
5.2.4. Exit ------------------------------------------------------ 11
5.2.5. DRV Check - USBHDD Check------------------- 12
5.2.6. Hotel Mode-------------------------------------------- 12
6 Troubleshooting Guide --------------------------------------- 13
6.1. Check of the IIC bus lines------------------------------ 13
6.1.1. How to access --------------------------------------- 13
6.1.2. Self-check indication only: ------------------------ 13
shipment setting: ------------------------------------ 13
6.1.4. Exit ------------------------------------------------------ 13
6.1.5. Screen display --------------------------------------- 13
6.1.6. Check Point ------------------------------------------- 13
6.2. Power LED Blinking timing chart --------------------- 14
6.3. LCD Panel test mode ----------------------------------- 14
6.4. No Power--------------------------------------------------- 14
7.1. Speaker Installation ------------------------------------- 15
7.2. Rear Panel Ass'y Preparation ------------------------ 16
ORDER NO. MTV1304070CE
TH-L50E6S
LA41
SINGAPORE
© Panasonic Corporation 2013.
LED TV
PAGE

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Summary of Contents for Panasonic TH-L50E6S

  • Page 1: Table Of Contents

    6.4. No Power--------------------------------------------------- 14 5.1.4. Contents of adjustment mode --------------------- 9 7 Disassembly and Assembly Instructions--------------- 15 7.1. Speaker Installation ------------------------------------- 15 5.2. SRV-TOOL ------------------------------------------------- 11 5.2.1. How to access ---------------------------------------- 11 7.2. Rear Panel Ass’y Preparation ------------------------ 16 © Panasonic Corporation 2013.
  • Page 2 TH-L50E6S 7.3. LCD Panel Fixing & Handling Method -------------- 17 7.4. Cabinet Preparation ------------------------------------- 18 7.5. Button Preparation --------------------------------------- 19 7.6. Side AV and Mount Assembly ------------------------ 20 7.7. Screw Part ------------------------------------------------- 21 7.8. Pedestal Assembly -------------------------------------- 22 7.9. Back Cover - Screw ------------------------------------- 23 7.10.

  • Page 3: Safety Precautions

    TH-L50E6S 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-L50E6S 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-L50E6S 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-L50E6S 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-L50E6S 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) 126 cm 1,920 (W)  1,080 (H) Display resolution Panel LED backlight Liquid Crystal Display Dimensions (W ...
  • Page 8 TH-L50E6S 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-L50E6S 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 TH-L50E6S Main item Sub item Sample Data OPTION Boot STBY-SET EMERGENCY CLK MODE CLOCK Y/C DELAY DYNAMIC OPT 1 00000000 OPT 2 11100110 OPT 3 00001001 OPT 4 00000000 EDID-CLK HIGH SRV-TOOL DRV CHECK DYNAMIC...

  • Page 11: Srv-Tool

    TH-L50E6S 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 12: Drv Check - Usbhdd Check

    TH-L50E6S 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 13: Troubleshooting Guide

    TH-L50E6S 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 14: Power Led Blinking Timing Chart

    TH-L50E6S 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 15: Disassembly And Assembly Instructions

    TH-L50E6S 7 Disassembly and Assembly Instructions 7.1. Speaker Installation 1. Fix led panel into led panel case and fix pcb with wire. 2. Fix speaker (‘L’ & ‘R’) at bottom rear panel. 3. Fix wifi cable at bottom metal. Description...

  • Page 16: Rear Panel Ass'y Preparation

    TH-L50E6S 7.2. Rear Panel Ass’y Preparation 1. Fix rear panel top assembly at panel. 2. Fix rear panel L and R assembly at panel. 3. Fix rear panel Btm assembly at panel. Description REAR PANEL BTM ASSY REAR PANEL R ASSY...

  • Page 17: Lcd Panel Fixing & Handling Method

    TH-L50E6S 7.3. 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 18: Cabinet Preparation

    TH-L50E6S 7.4. Cabinet Preparation 1. Fix bottom metal at lcd panel. 2. Fix rear panel metal at panel (Left, right and top). 3. Fix rear panel metal bot L and R. Description REAR PANEL METAL BOT L REAR PANEL METAL R...

  • Page 19: Button Preparation

    TH-L50E6S 7.5. Button Preparation 1. Fix key button assembly to rear panel metal right. 2. Fix screw at all rear panel metal. Description Remark P4/P5-LD/GK4 SCREW (BTM) - THE4GJ001J 6 ± 1 Kgf.cm KEY_BUTTON_BRACKET SCREW (RPM9/RP7) - THEC217J 6 ± 1 Kgf.cm...

  • Page 20: Side Av And Mount Assembly

    TH-L50E6S 7.6. Side AV and Mount Assembly 1. Fix pcb at panel. 2. Stick barrier at panel. 3. Fix clamper at bottom metal. 4. Stick gasket at tuner. Description SIDE AV BRACKET CH_MOUNT_BOSS GROUND SPRING BARRIER P-PCB CLAMPER (LCD) GASKET...

  • Page 21: Screw Part

    TH-L50E6S 7.7. Screw Part Fix screw at all part. Description Remark SCREW (RPM9/RP7) 6 ± 1 Kgf.cm SCREW (A3/P4/KEY1/WF1) 6 ± 1 Kgf.cm...

  • Page 22: Pedestal Assembly

    TH-L50E6S 7.8. Pedestal Assembly Stick felt at pedestal base. Fix all pedestal assembly together . Fix screw and rubber foot. Cover pedestal assembly with bag. Part No Description Remark TBL5ZA34511 NECK BASE TBL5ZA34581 PEDESTAL BASE XYN5 + F15FJ SCREW 15 ± 2 Kgf.cm...

  • Page 23: Back Cover - Screw

    TH-L50E6S 7.9. Back Cover - Screw 1. Fix wifi module 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 (BC3/WIFI1/HDMI3/LED1) 6 ± 1 Kgf.cm...

  • Page 24: Handling Spec

    TH-L50E6S 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 25: Measurements And Adjustments

    TH-L50E6S 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 26: Block Diagram

    TH-L50E6S 9 Block Diagram 9.1. Main Block Diagram MAIN IFD_OUT BOARD RF IN TUNER Parallel_TS DTMB TS I/F DDR3 DDR_I/F Paragon USB5V Y/PB/PR COMPONENT IN CVBS IN SUB3.3V SUB1.2V L/R IN OVP DET NAND SUB1.5 NAND_I/F FLASH SUB5V ANALOG-ASIC DIGITAL...

  • Page 27: Detailed Block Diagram (1/2)

    TH-L50E6S 9.2. Detailed Block Diagram (1/2) JK3101A MAIN POWER IC7301, IC7503 STB5V IC7201, Q7301, 5.8VS T7201, Q7302 T7302 PA7406 D7106 Q7201 RECTIFIER +16V CONVERTER Q7403 D7408,9 PA7402 +16V CF7103 P15V DCDCIN CF7104 +16V Q7402 DETECT D7401,2 IC7401 PC7301 PHOTO ERROR...

  • Page 28: Detailed Block Diagram (2/2)

    TH-L50E6S 9.3. Detailed Block Diagram (2/2) SPEAKER_R SPEAKER_L JK8601 JK8602 D3201 JK4702 JK4701 JK8650A JK4703 FACTORY JK6750 DIGITAL USB1 USB2 WiFi HDMI2 HDMI1 MAIN AUDIO OUT ETHERNET HDMI3 RF IN CN0100 IIC_0 IIC_2 IIC_2 UART X6750 24MHz IC6705 ON BOARD TUNER...

  • Page 29: Wiring Connection Diagram

    TH-L50E6S 10 Wiring Connection Diagram 10.1. Wire Dressing 1. Fix LVDS wire and insert all connector. 2. Dressing all wire. Description Remark LVDS FFC (51PIN) PET TAPE (0.07  7) 70mm  7 pcs 0.98 PET + AL A12-SP WF...

  • Page 30: Schematic Diagram

    TH-L50E6S 11 Schematic Diagram Model No. : TH-L50E6S A-Board (1/13)
  • Page 31 Model No. : TH-L50E6S A-Board (2/13)
  • Page 32 Model No. : TH-L50E6S A-Board (3/13)
  • Page 33 Model No. : TH-L50E6S A-Board (4/13)
  • Page 34 Model No. : TH-L50E6S A-Board (5/13)
  • Page 35 Model No. : TH-L50E6S A-Board (6/13)
  • Page 36 Model No. : TH-L50E6S A-Board (7/13)
  • Page 37 Model No. : TH-L50E6S A-Board (8/13)
  • Page 38 Model No. : TH-L50E6S A-Board (9/13)
  • Page 39 Model No. : TH-L50E6S A-Board (10/13)
  • Page 40 Model No. : TH-L50E6S A-Board (11/13)
  • Page 41 Model No. : TH-L50E6S A-Board (12/13)
  • Page 42 Model No. : TH-L50E6S A-Board (13/13)
  • Page 43 Model No. : TH-L50E6S GK-Board...
  • Page 44 Model No. : TH-L50E6S K-Board...
  • Page 45 Model No. : TH-L50E6S P-Board (1/2)
  • Page 46 Model No. : TH-L50E6S P-Board (2/2)

  • Page 47: Printed Circuit Board

    TH-L50E6S 12 Printed Circuit Board Model No. : TH-L50E6S A-Board (Top Component Side)
  • Page 48 Model No. : TH-L50E6S A-Board (Bottom Component Side)
  • Page 49 Model No. : TH-L50E6S GK-Board...
  • Page 50 Model No. : TH-L50E6S K-Board...
  • Page 51 Model No. : TH-L50E6S P-Board (Top Component Side)
  • Page 52 Model No. : TH-L50E6S P-Board (Bottom Component Side)

  • Page 53: Exploded View And Mechanical Replacement Parts List

    TH-L50E6S 13 Exploded View and Replacement Parts List Model No. : TH-L50E6S Parts Location...
  • Page 54 Model No. : TH-L50E6S Packing Exploded View 1...
  • Page 55 Model No. : TH-L50E6S Packing Exploded View 2...
  • Page 56 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITORS C2000 F1G1A105A047 C 1UF 10V C2009 F1G1H1020008 C 1000PF 50V C2012 F1G1E103A059 C 0.01UF 25V C2014 F1K1V106A010 C 10UF, 25V C2017 F1G1H1020008...
  • Page 57 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5324 F1K1V106A010 C 10UF, 25V C5328 F1G1H332A830 C 3300PF, 50V C5329 F1G1E333A144 C 0.033UF 25V C5400 F1K1V106A010 C 10UF, 25V C5401 F1K1V106A010 C 10UF, 25V...
  • Page 58 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C6774 F1G1C104A077 C 0.1UF 16V C6775 F1G1C104A077 C 0.1UF 16V C6777 F1G0J105A049 C 1UF , 6.3V C6804 F1G1C104A077 C 0.1UF 16V C6805 F1J1A106A087...
  • Page 59 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7521 F1J1E105A287 C 1UF, 25V C7522 F1K1V106A010 C 10UF, 25V C7523 F1K1V106A010 C 10UF, 25V C7524 F1J1H472A900 C 4700PF, 50V C7525 F1J1H223A900 C 0.022UF, 50V...
  • Page 60 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8213 F1G1C104A077 C 0.1UF 16V C8215 F1G1C104A077 C 0.1UF 16V C8216 F1J1A106A087 C 10UF, 10V C8217 F1G1C104A077 C 0.1UF 16V C8218 F1G1C104A077 C 0.1UF 16V...
  • Page 61 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7221 B0JCDE000006 DIODE D7301 DZ2J039M0L DIODE D7302 B0HAGQ000001 DIODE D7303 DZ2J039M0L DIODE D7304 DA2JF2300L DIODE D7305 B0ADCK000001 DIODE D7306 B0BC027A0336 DIODE D7307 B0BC027A0336...
  • Page 62 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L5700 G1C2R2MA0464 INDUCTOR L5701 J0JYC0000464 BEAD CORE L6704 J0JYC0000464 BEAD CORE L6706 J0JYC0000464 BEAD CORE L6761 J0JYC0000464 BEAD CORE L6762 J0JYC0000464 BEAD CORE...
  • Page 63 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R0927 D0GA473JA039 M 47KOHM J. 1/10W R0928 D0GA332JA023 M 3.3KOHM, J,1/16W R0929 D0GA332JA023 M 3.3KOHM, J,1/16W R0935 D0GA473JA039 M 47KOHM J. 1/10W R2003...
  • Page 64 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4705 D0GA102JA039 M 1KOHM ,J, 1/10W R4706 D0GA220JA023 M22 OHM, J.1/16 W R4707 D0GA680JA023 M 68 OHM, J,1/16W R4708 D0GA680JA023 M 68 OHM, J,1/16W...
  • Page 65 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5442 D1BB1241A196 M 1.24KOHM ,F, 1/10W R5443 D1BB6801A195 M 6.8KOHM ,F, 1/10W R5446 D0GDR00J0004 M 0 OHM, 1/8W R5447 D1BA1502A023 M 15KOHM ,F, 1/10W...
  • Page 66 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7206 D0GD4R7JA059 M 4.7 OHM,J,1/4W R7207 D0GB104JA065 M 100KOHM J 1/10W R7208 ERX1SJR22V M 0.22 OHM ,J, 1/4W R7209 D0AF2R2JA112 C 2.2 OHM, J,1/2W...
  • Page 67 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7423 D0GD334JA052 M 330KOHM,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 R8005...
  • Page 68 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8823 D0GA473JA039 M 47KOHM J. 1/10W R8854 D0GA102JA039 M 1KOHM ,J, 1/10W R8870 D0GA473JA039 M 47KOHM J. 1/10W R8901 D1HY1034A012 NETWORK RESISTER R8902...
  • Page 69 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks SN2800 B3JB00000208 SW2851 EVQ11G05R SWITCH SW2852 EVQ11G05R SWITCH SW2853 EVQ11G05R SWITCH SW2854 EVQ11G05R SWITCH SW2855 EVQ11G05R SWITCH SW2857 EVQ11G05R SWITCH X6750 H0J240500067 CRYSTAL OSCILLATOR...
  • Page 70 Model No. : TH-L50E6S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K1HY05YY0074 WI FI CABLE K2CQ2YY00107 AC CORD L0EYAA000022 SPEAKER UNIT L L0EYAA000023 SPEAKER UNIT R L5EDDYY00487 LCD PANEL N2QAYB000832 REMOTE TRANSMITTER...

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