Panasonic TH-L39B6R Service Manual
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Panasonic TH-L39B6R 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 Modes ---------------------- 9
5.1.1. Contents of adjustment mode --------------------- 9
5.1.2. How to exit---------------------------------------------- 9
5.1.3. Display of SOS History -----------------------------10
5.1.4. POWER ON TIME/COUNT -----------------------10
5.1.5. Exit-------------------------------------------------------10
5.1.6. Self Check Mode------------------------------------- 11
Model No.
Chassis:
Destination:
PAGE
5.1.7. Hotel Mode Adjustment ---------------------------- 11
5.1.8. 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. Exit ------------------------------------------------------ 12
6.2. Power LED Blinking timing chart --------------------- 13
6.3. No Power--------------------------------------------------- 13
7.1. Speaker Ass'y and Screwing-------------------------- 14
7.2. LCD Panel Assembly B -------------------------------- 15
7.5. PCB Installation ------------------------------------------ 18
7.6. Bottom Part Assy----------------------------------------- 19
7.7. Stand MTG Assy ----------------------------------------- 20
7.8. Pedestal Ass'y -------------------------------------------- 21
7.9. Back Cover Ass'y --------------------------------------- 22
8 Measurements and Adjustments -------------------------- 23
8.1. Voltage chart of A-board ------------------------------- 23
ORDER NO. MTV1301045CE
TH-L39B6R
KM21
IRAN
© Panasonic Corporation 2013.
LED TV
PAGE

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Summary of Contents for Panasonic TH-L39B6R

  • Page 1: Table Of Contents

    7.8. Pedestal Ass’y -------------------------------------------- 21 5.1.4. POWER ON TIME/COUNT -----------------------10 7.9. Back Cover Ass’y --------------------------------------- 22 8 Measurements and Adjustments -------------------------- 23 5.1.5. Exit-------------------------------------------------------10 5.1.6. Self Check Mode------------------------------------- 11 8.1. Voltage chart of A-board ------------------------------- 23 © Panasonic Corporation 2013.
  • Page 2 TH-L39B6R 8.2. Voltage chart of P-board-------------------------------- 23 9 Block Diagram --------------------------------------------------- 24 9.1. Main Block Diagram ------------------------------------- 24 10 Wiring Connection Diagram --------------------------------- 25 10.1. Wire Dressing 1------------------------------------------- 25 10.2. Wire Dressing 2------------------------------------------- 26 11 Schematic Diagram--------------------------------------------- 27 12 Printed Circuit Board ------------------------------------------ 44 13 Exploded View and Replacement Parts List ----------- 51 13.1.

  • Page 3: Safety Precautions

    TH-L39B6R 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-L39B6R 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-L39B6R 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-L39B6R 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 Repairable K BOARD Remote, LED, Luminence Sensor Repairable GK BOARD Power Switch, Keyscan Repairable LD BOARD...

  • Page 7: Specifications

    TH-L39B6R 4 Specifications Power source AC 220 - 240 V, 50/60 Hz Power Rating 87 W Standby power consumption 0.2 W Display Panel Panel TFT LCD Module with LED Backlight Visible screen size (diagonal) 98 cm (39 inches) 2,073,600 (1,920 (W)  1,080 (H))
  • Page 8 TH-L39B6R Connection Terminals RCA PIN Type  2 AV1 IN AUDIO L - R 0.5 V[rms] RCA PIN Type  1 1.0 V[p-p] (75 ) VIDEO COMPONENT 1.0 V [p-p] (including synchronization) ±0.35 V [p-p] RCA PIN Type  2...

  • Page 9: Service Mode

    TH-L39B6R 5 Service Mode 5.1. How to enter into Service Modes While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds. Contents of adjustment mode 5.1.1. • Value is shown as a hexadecimal number.

  • Page 10: Display Of Sos History

    TH-L39B6R 5.1.3. 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 11: Self Check Mode

    TH-L39B6R 5.1.6. 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 12: Troubleshooting Guide

    TH-L39B6R 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 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-L39B6R 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-L39B6R 7 Disassembly and Assembly Instructions 7.1. Speaker Ass’y and Screwing 1. Fix speaker sponge on each speaker unit. 2. Place the two speaker unit into the hook of speaker bracket. 3. Fix 2 pcs of screw on the A-board holes by follow the next step:- 1.

  • Page 15: Lcd Panel Assembly B

    TH-L39B6R 7.2. LCD Panel Assembly B 1. Install LCD panel into cabinet by insert the top side first and then follow by bottom of the LCD panel. 2. Fix LED panel according to the spec. 3. Fix the Complete LED panel assy’ into the cabinet.

  • Page 16: Lcd Panel Fixing & Handling Method

    TH-L39B6R 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 17: Key Button Bracket Assy & Screwing

    TH-L39B6R 7.4. Key Button Bracket Assy & Screwing 1. Fixing Key button Bracket according to spec. 2. Fix 4 pcs of screw into speaker bracket. Description Remarks KEY BUTTON BRACKET KA-BOARD * Part list under chassis WIRE * Part list under chassis SCREW(SP_BRKT4/BTM CVR2) 6 ±...

  • Page 18: Pcb Installation

    TH-L39B6R 7.5. PCB Installation Fix one felt and fold it at the side av bracket. Fix Side Av bracket into the A-board Fix two Ground spring into the A-board. Fix Complete A-board assembly on to the LCD panel. Fix the LD-board on the top of LCD panel.

  • Page 19: Bottom Part Assy

    TH-L39B6R 7.6. Bottom Part Assy 1. Put bottom cover into the Cabinet hook and top of LED panel and lock. 2. Screw 2 pcs into the Bottom Cover. 3. Fix 1 felt and fold from inside out at the edge of the metal bracket bottom.

  • Page 20: Stand Mtg Assy

    TH-L39B6R 7.7. Stand MTG Assy Assemble the Stand Mtg Ass'y according to spec. Item Description TBL5ZX06971 STAND ACCESSORY ASSY TPE4GH099 XYN4 + F12FJK SCREW XSS5 + 16FNJK SCREW TBL5ZA34571 STAND METAL TQF4GA295 QR CODE LABEL...

  • Page 21: Pedestal Ass'y

    TH-L39B6R 7.8. Pedestal Ass’y 1. First, insert the neckbase into base cover. 2. Then, put the base plate into the base cover. Make sure that the base plate hook is inside the base cover. 3. Next, screw the pedestal accroding to the spec.

  • Page 22: Back Cover Ass'y

    TH-L39B6R 7.9. Back Cover Ass’y 1. For both chassis, stick 2 speaker sponge at speaker area. 2. Stick 2 felt at top area Right & Left. 3. Stick 2 felt above speaker area. Description BACK COVER SPEAKER SPONGE FELT FELT...

  • Page 23: Measurements And Adjustments

    TH-L39B6R 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 PNL12V TP4097 12.1 ± 0.8V SUB3.3V TP5400 3.32 ±...

  • Page 24: Block Diagram

    TH-L39B6R 9 Block Diagram 9.1. Main Block Diagram XERWE0 XERWE0 STB5/5VS S12/S5 CPU BUS XECS1 CTRL AAR/DATA ERXW S5/ S3.3 (SD-Data-VCC) BOOTSWAP S9 REG S9-REG Analog XRST 3.3/1.8 ASIC UHS-1 XRSTSTM < (SDVOLC) AN34043A Only DTMB models(HK) STB3.3V/1.2V_REG Support ED[7:0] <...

  • Page 25: Wiring Connection Diagram

    TH-L39B6R 10 Wiring Connection Diagram 10.1. Wire Dressing 1 1. Fix the AL Pet Tape beside the speaker unit right (Area A). 2. Next fix the SPONGE on the LCD panel (Area B). 3. Take the LVDS and fix the sponge on the back of the LVDS. Please follow spec.

  • Page 26: Wire Dressing

    TH-L39B6R 10.2. Wire Dressing 2 1. Please fix 4 pcs Black Tape (T4FP2005b) on the top of holes to avoid light leakage. 2. Fix 1 pc of AL tape on top of LVDS. 3. Fix 1 pcs of 110mm PET tape on the top of P-board to A-Board wire and LVDS.

  • Page 27: Schematic Diagram

    TH-L39B6R 11 Schematic Diagram Model No. : TH-L39B6R A-Board (1/12)
  • Page 28 Model No. : TH-L39B6R A-Board (2/12)
  • Page 29 Model No. : TH-L39B6R A-Board (3/12)
  • Page 30 Model No. : TH-L39B6R A-Board (4/12)
  • Page 31 Model No. : TH-L39B6R A-Board (5/12)
  • Page 32 Model No. : TH-L39B6R A-Board (6/12)
  • Page 33 Model No. : TH-L39B6R A-Board (7/12)
  • Page 34 Model No. : TH-L39B6R A-Board (8/12)
  • Page 35 Model No. : TH-L39B6R A-Board (9/12)
  • Page 36 Model No. : TH-L39B6R A-Board (10/12)
  • Page 37 Model No. : TH-L39B6R A-Board (11/12)
  • Page 38 Model No. : TH-L39B6R A-Board (12/12)
  • Page 39 Model No. : TH-L39B6R GK-Board...
  • Page 40 Model No. : TH-L39B6R K-Board...
  • Page 41 Model No. : TH-L39B6R LD-Board...
  • Page 42 Model No. : TH-L39B6R P-Board (1/2)
  • Page 43 Model No. : TH-L39B6R P-Board (2/2)

  • Page 44: Printed Circuit Board

    TH-L39B6R 12 Printed Circuit Board Model No. : TH-L39B6R A-Board (Top Component Side)
  • Page 45 Model No. : TH-L39B6R A-Board (Bottom Component Side)
  • Page 46 Model No. : TH-L39B6R GK-Board...
  • Page 47 Model No. : TH-L39B6R K-Board...
  • Page 48 Model No. : TH-L39B6R LD-Board...
  • Page 49 Model No. : TH-L39B6R P-Board (Top Component Side)
  • Page 50 Model No. : TH-L39B6R P-Board (Bottom Component Side)

  • Page 51: Exploded View And Replacement Parts List

    TH-L39B6R 13 Exploded View and Replacement Parts List Model No. : TH-L39B6R Parts Location...
  • Page 52 Model No. : TH-L39B6R Packing Exploded view...
  • Page 53 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITOR C1958 F1G1E103A059 C 0.01UF 25V C2000 F1G1A105A047 C 1UF 10V C2014 F1K1E106A134 C 10UF, 25V C2023 F1G1C104A077 C 0.1UF 16V C2801 F1G1C1030008 C 0.01UF 16V...
  • Page 54 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5150 F1G1E103A059 C 0.01UF 25V C5151 F1G1E103A059 C 0.01UF 25V C5171 F1G1C1030008 C 0.01UF 16V C5202 F1G1H1020008 C 1000PF 50V C5203 F1G1H1020008 C 1000PF 50V...
  • Page 55 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7209 ECWFD2W824KC C 0.82UF , 240V C7213 F2A2W6800013 C 68UF , 450V C7214 F1J1H103A900 C 0.01UF, 50V C7220 F1J1H472A900 C 4700PF, 50V C7302...
  • Page 56 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8100 F1K1V106A010 C 10UF, 25V C8102 F1G1C104A077 C 0.1UF 16V C8103 F1G1C473A048 C 0.047UF, 16V C8105 F1G1E332A144 C 3300PF, 25V C8107 F1J0G2260001 C 22 UF 4 V...
  • Page 57 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D3102 DZ2J140M0L DIODE D3103 DZ2J140M0L DIODE D3104 DZ2J140M0L DIODE D3105 DZ2J140M0L DIODE D3106 DZ2J140M0L DIODE D3107 DZ2J140M0L DIODE D3110 DZ2J140M0L DIODE D4704 DB2J30900L...
  • Page 58 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks INTEGRATED CIRCUIT IC3052 C0ABBB000179 IC4900 C1AB00003984 IC5000 AN34043AAVF IC5400 C0DBAYY01299 IC5420 C0DBAYY01299 IC5421 C0DBAYY01300 IC5704 C0DBEYY00102 IC7201 C0DBBYY00058 IC7301 C0DBAYY01329 IC7401 C0DBZYY00614 IC7503 C0DBAYY01599...
  • Page 59 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Q3102 B1ABCE000015 TRANSISTOR Q3103 B1ABCE000015 TRANSISTOR Q4702 B1ABCF000231 TRANSISTOR Q4709 B1ABCF000231 TRANSISTOR Q4981 B1ABCE000015 TRANSISTOR Q7201 B1CERR000057 TRANSISTOR Q7202 B1ADCE000022 TRANSISTOR Q7301 B1CFRR000016...
  • Page 60 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R2051 D0GA101JA039 M 100OHM, J, 1/16W R2056 D0GAR00J0005 M 0 OHM, 1/16W R2058 D0GA473JA039 M 47KOHM J. 1/10W R2059 D0GA103JA039 M 100OHM, J, 1/16W...
  • Page 61 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4788 D0GA103JA039 M 10KOHM,F,1/16W R4794 D0GA103JA039 M 10KOHM,F,1/16W R4795 D0GA103JA039 M 10KOHM,F,1/16W R4796 D0GA473JA039 M 47KOHM J. 1/10W R4797 D0GA102JA039 M 1KOHM, J , 1/16W...
  • Page 62 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R6729 D0GA681JA023 M680 OHM, J,1/16W R6734 D1BA1002A023 M 10KOHM,F,1/16W R7101 D0GF105JA048 M 1M OHM. 1/4W R7102 D0GF105JA048 M 1M OHM. 1/4W R7103 D0GF105JA048 M 1M OHM.
  • Page 63 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7410 D0GD153JA052 M 15KOHM,J,1/8W R7411 D0GD334JA052 M 330KOHM,J,1/8W R7412 D0GB153JA065 M 15K OHM J 1/10W R7413 D1BD5603A066 M 560KOHM ,J, 1/6W R7415 D0GD472JA052 M 4.7KOHM,J,1/8W...
  • Page 64 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8820 D0GA103JA039 M 10KOHM,F,1/16W R8830 D0GA103JA039 M 10KOHM,F,1/16W R8850 D0GA331JA023 M 330 OHM, J,1/16W R8851 D1BB7151A106 M 7.15 KOHM,F.1/10 W R8852 D0GA102JA039 M 1KOHM, J , 1/16W...
  • Page 65 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks TRANSFORMER T7201 G4DYA0000443 TRANSFORMER T7301 G4DYA0000448 TRANSFORMER OTHERS K1KY16BA0394 CONNECTOR K1KY07AA0719 CONNECTOR K1MY51BA0526 CONNECTOR K1KY04BA0387 CONNECTOR CF7101 D4CAY4R7A096 THERMISTOR RESISTOR CN0100 K1KA14A00248 CONNECTOR...
  • Page 66 Model No. : TH-L39B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CQ2YY00109 AC CORD L0EYAA000026 SPEAKER UNIT L5EDDYY00462 LCD PANEL N2QAYB000817 REMOTE TRANSMITTER TBL5ZX06571 PEDESTAL ASSY TBL5ZX06971 STAND MOUNTING ASSY TBM4GD1241 MODEL NAME PLATE...

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