Panasonic TX-LR32B6 Service Manual
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Panasonic TX-LR32B6 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 ------------------------------------------------------ 8
5.1. How to enter into Service Modes ---------------------- 8
5.1.1. Contents of adjustment mode --------------------- 8
5.1.2. How to exit---------------------------------------------- 8
5.1.3. Display of SOS History ------------------------------ 9
5.1.4. POWER ON TIME/COUNT ------------------------ 9
5.1.5. Exit-------------------------------------------------------- 9
5.1.6. Self Check Mode-------------------------------------10
Model No.
Chassis:
Destination:
PAGE
5.1.7. Hotel Mode Adjustment ---------------------------- 10
5.1.8. Hotel Mode-------------------------------------------- 10
6 Troubleshooting Guide --------------------------------------- 11
6.1. Check of the IIC bus lines------------------------------ 11
6.1.1. How to access --------------------------------------- 11
6.1.2. Exit ------------------------------------------------------ 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. No Power--------------------------------------------------- 12
7.1. SP Bracket & Metal Bottom --------------------------- 13
7.2. LCD Panel Assembly ----------------------------------- 14
7.5. Metal Bracket --------------------------------------------- 18
7.6. PCB Installation ------------------------------------------ 19
7.7. Vesa Metal (BC) ------------------------------------------ 20
7.8. Pedestal Ass'y -------------------------------------------- 21
7.9. Stand Mould Assy Preparation ----------------------- 22
7.10. Back Cover Installation --------------------------------- 23
8 Measurements and Adjustments -------------------------- 24
ORDER NO. MTV1301139CE
TX-LR32B6
KM21E
CIS
© Panasonic Corporation 2013.
LCD TV
PAGE

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Summary of Contents for Panasonic TX-LR32B6

  • Page 1: Table Of Contents

    7.8. Pedestal Ass’y -------------------------------------------- 21 5.1.4. POWER ON TIME/COUNT ------------------------ 9 7.9. Stand Mould Assy Preparation ----------------------- 22 7.10. Back Cover Installation --------------------------------- 23 5.1.5. Exit-------------------------------------------------------- 9 5.1.6. Self Check Mode-------------------------------------10 8 Measurements and Adjustments -------------------------- 24 © Panasonic Corporation 2013.
  • Page 2 TX-LR32B6 8.1. Voltage chart of A-board-------------------------------- 24 8.2. Voltage chart of P-board-------------------------------- 24 9 Block Diagram --------------------------------------------------- 25 9.1. Main Block Diagram ------------------------------------- 25 10 Wiring Connection Diagram --------------------------------- 26 10.1. Wire Dressing 1------------------------------------------- 26 10.2. Wire Dressing 2------------------------------------------- 27...

  • Page 3: Safety Precautions

    TX-LR32B6 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

    TX-LR32B6 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)

    TX-LR32B6 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

    TX-LR32B6 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 (For 32" include function SW) Repairable K BOARD LED/RM/CATS Repairable...

  • Page 7: Specifications

    TX-LR32B6 4 Specifications Power source AC 220-240 V, 50/60 Hz Rated power consumption 67 W 0.2 W Standby power consumption Panel LED LCD panel Visible screen size (diagonal) 80 cm (32 inches) 1,049,088 (1,366 (W)  768 (H)) Display Resolution Sound (90 mm ...

  • Page 8: Service Mode

    TX-LR32B6 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 9: Display Of Sos History

    TX-LR32B6 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 10: Self Check Mode

    TX-LR32B6 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 11: Troubleshooting Guide

    TX-LR32B6 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 12: Power Led Blinking Timing Chart

    TX-LR32B6 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 13: Disassembly And Assembly Instructions

    TX-LR32B6 7 Disassembly and Assembly Instructions 7.1. 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. Description SPEAKER UNIT KEY_BUTTON FELT (180 ...

  • Page 14: Lcd Panel Assembly

    TX-LR32B6 7.2. LCD Panel Assembly Install LCD panel to cabinet. Description LCD PANEL AL PET TAPE...

  • Page 15: Lcd Panel Fixing & Handling Method

    TX-LR32B6 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 16: Led Panel And Bracket Assembly

    TX-LR32B6 7.4. LED Panel and Bracket Assembly 1. Fixing wire A10 to K PCB. 2. Fixing K PCB to LED PANEL. 3. Fix LED panel to cabinet.
  • Page 17 TX-LR32B6 Description LED_PANEL CONDUCTIVE TAPE GASKET...

  • Page 18: Metal Bracket

    TX-LR32B6 7.5. Metal Bracket Description Remarks LCD_MTG_SIDE METAL VERTICAL R METAL VERTICAL L METAL_CH_FRAME-A SPEAKER_BRACKET SCREW (A3/P4/MTL_VL1) 6 ± 1 kgf.cm SCREW (MTL_VR2/MTL_VL1) 13 ± 1 kgf.cm...

  • Page 19: Pcb Installation

    TX-LR32B6 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 (A3/P4/MTL_VL1) 6 ± 1 kgf.cm SCREW (SP BRKT) 6 ± 1 kgf.cm SIDE AV BRACKET...

  • Page 20: Vesa Metal (Bc)

    TX-LR32B6 7.7. 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 21: Pedestal Ass'y

    TX-LR32B6 7.8. Pedestal Ass’y Fix rubber foot 6 pc at base cover. Description PEDESTAL ASSY BASE COVER RUBBER FOOT BAG FOR PEDESTAL...

  • Page 22: Stand Mould Assy Preparation

    TX-LR32B6 7.9. Stand Mould Assy Preparation Follow below step for Stand Mould Assy preparation. Description STAND MOULD SCREW SCREW PEBAG...

  • Page 23: Back Cover Installation

    TX-LR32B6 7.10. 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) 10 ± 2 kgf.cm...

  • Page 24: Measurements And Adjustments

    TX-LR32B6 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 TP No. Voltage (V) STB5.3V TP2017 5.3V ± 2% P15V TP2013 16V ±...

  • Page 25: Block Diagram

    TX-LR32B6 9 Block Diagram 9.1. Main Block Diagram XERWE0 XERWE0 STB5/5VS S12/S5 CPU BUS AAR/DATA XECS1 CTRL S5/ S3.3 ERXW (SD-Data-VCC) CI_POWER_ON > S9-REG BOOTSWAP Analog < CI_OCP XRST 3.3/1.8 ASIC UHS-1 < (SDVOLC) Only SAT models Power XRSTSTM AN34043A Circuit STB3.3V/1.2V_REG...

  • Page 26: Wiring Connection Diagram

    TX-LR32B6 10 Wiring Connection Diagram 10.1. Wire Dressing 1 Do wire dressing follow below spec: Description Remarks 0.07  3 PET TAPE (GREY W=15mm) 0.21 0.11  2 PET TAPE (GREY W=15mm) 0.22 AL-PET TAPE CLAMPER...

  • Page 27: Wire Dressing

    TX-LR32B6 10.2. Wire Dressing 2 Stick sponge follow below spec. Description SPONGE (AT BACK SIDE) SPONGE (AT BACK SIDE LVDS) LVDS CABLE...

  • Page 28: Schematic Diagram

    TX-LR32B6 11 Schematic Diagram Model No. : TX-LR32B6 A-Board (1/19)
  • Page 29 Model No. : TX-LR32B6 A-Board (2/19-1)
  • Page 30 Model No. : TX-LR32B6 A-Board (2/19-2)
  • Page 31 Model No. : TX-LR32B6 A-Board (3/19)
  • Page 32 Model No. : TX-LR32B6 A-Board (4/19)
  • Page 33 Model No. : TX-LR32B6 A-Board (5/19)
  • Page 34 Model No. : TX-LR32B6 A-Board (6/19)
  • Page 35 Model No. : TX-LR32B6 A-Board (7/19-1)
  • Page 36 Model No. : TX-LR32B6 A-Board (7/19-2)
  • Page 37 Model No. : TX-LR32B6 A-Board (8/19)
  • Page 38 Model No. : TX-LR32B6 A-Board (9/19)
  • Page 39 Model No. : TX-LR32B6 A-Board (10/19)
  • Page 40 Model No. : TX-LR32B6 A-Board (11/19)
  • Page 41 Model No. : TX-LR32B6 A-Board (12/19)
  • Page 42 Model No. : TX-LR32B6 A-Board (13/19)
  • Page 43 Model No. : TX-LR32B6 A-Board (14/19)
  • Page 44 Model No. : TX-LR32B6 A-Board (15/19)
  • Page 45 Model No. : TX-LR32B6 A-Board (16/19)
  • Page 46 Model No. : TX-LR32B6 A-Board (17/19)
  • Page 47 Model No. : TX-LR32B6 A-Board (18/19)
  • Page 48 Model No. : TX-LR32B6 A-Board (19/19)
  • Page 49 Model No. : TX-LR32B6 K-Board...
  • Page 50 Model No. : TX-LR32B6 P-Board...

  • Page 51: Printed Circuit Board

    TX-LR32B6 12 Printed Circuit Board Model No. : TX-LR32B6 A-Board (Top Component Side)
  • Page 52 Model No. : TX-LR32B6 A-Board (Bottom Component Side)
  • Page 53 Model No. : TX-LR32B6 K-Board...
  • Page 54 Model No. : TX-LR32B6 P-Board (Top Component Side)
  • Page 55 Model No. : TX-LR32B6 P-Board (Bottom Component Side)

  • Page 56: Exploded View And Replacement Parts List

    TX-LR32B6 13 Exploded View and Replacement Parts List Model No. : TX-LR32B6 Parts Location...
  • Page 57 Model No. : TX-LR32B6 Packing Exploded View 1...
  • Page 58 Model No. : TX-LR32B6 Packing Exploded View 2...
  • Page 59 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITORS C1958 F1G1E103A059 C 0.01UF 25V C2000 F1G1A105A047 C 1UF 10V C2009 F1G1H1020008 C 1000PF 50V C2014 F1K1E106A134 C 10UF, 25V C2017 F1G1H1020008...
  • Page 60 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C4901 F1K1V106A010 C 10UF, 25V C4902 F1J1E105A287 C 1UF, 25V C4903 F1K1V106A010 C 10UF, 25V C4904 F1J1E105A287 C 1UF, 25V C4905 F1H1C105A167 C 1UF, 10V...
  • Page 61 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C6704 F1J1A106A043 C 10UF, 10V C6707 F1G1C104A077 C 0.1UF 16V C6708 F1J1A106A043 C 10UF, 10V C6710 F1G1C104A077 C 0.1UF 16V C6720 F1G1H220A834 C 22PF, 50V...
  • Page 62 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7532 F1H1H104B047 C 0.1UF, 50V C8001 F1G1C104A077 C 0.1UF 16V C8006 F1G1C104A077 C 0.1UF 16V C8010 F1G1C104A077 C 0.1UF 16V C8012 F1G1C104A077 C 0.1UF 16V...
  • Page 63 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8313 F1G1A105A047 C 1UF 10V C8314 F1G1A105A047 C 1UF 10V C8315 F1G1A105A047 C 1UF 10V C8401 F1G1C104A077 C 0.1UF 16V C8402 F1K0J226A049 C 22UF, 6.3V...
  • Page 64 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7403 EZJZ1V800AA VARISTOR D7404 EZJZ1V800AA VARISTOR D7502 B0FBCM000016 DIODE D7507 B0JDSL000013 DIODE D7508 B0JDSL000013 DIODE D7520 DA2J10100L DIODE D8000 DA2J10100L DIODE D8850 DB2J30900L...
  • Page 65 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L8013 J0JYC0000464 BEAD CORE L8014 J0JCC0000287 COIL L8100 G1C3R3MA0464 INDUCTOR L8101 G1C2R2ZA0311 INDUCTOR L8453 J0ZZB0000142 FILTER TRANSISTORS Q2012 B1ABCE000015 TRANSISTOR Q2013 B1ABCE000015 TRANSISTOR...
  • Page 66 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R2013 D0GA101JA039 M 100OHM,J.1/10W R2014 D0GA101JA039 M 100OHM,J.1/10W R2016 D0GA302JA023 M 3K OHM J ,1/16W R2051 D0GA101JA039 M 100OHM,J.1/10W R2056 D0GA102JA039 M 1KOHM ,J, 1/10W...
  • Page 67 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R3234 D0GB203ZA038 M 20KOHM 1/10W R3237 D0GA103JA039 M 10KOHM,F,1/16W R3238 D0GA103JA039 M 10KOHM,F,1/16W R3312 D0GA103JA039 M 10KOHM,F,1/16W R3314 D0GA103JA039 M 10KOHM,F,1/16W R3315 D0GA101JA039 M 100OHM,J.1/10W...
  • Page 68 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5012 D1BA2202A023 M 22KOHM,F. 1/16 W R5030 D0GA103JA039 M 10KOHM,F,1/16W R5031 D0GAR00J0005 M 0 OHM, 1/16W R5032 D0GAR00J0005 M 0 OHM, 1/16W R5100 D0GA101JA039 M 100OHM,J.1/10W...
  • Page 69 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7313 D0GD220JA052 M 22 OHM,J,1/8W R7314 D0GD681JA059 M 680OHM, 1/16W R7315 ERX1SJR39 M0.39 OHM, J, 1W R7317 D0GD680JA052 M 68 OHM,J,1/8W R7318 D0GD471JA052...
  • Page 70 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8230 D1BA2700A023 M 270 OHM,F.1/16 W R8231 D1BA2700A023 M 270 OHM,F.1/16 W R8232 D1BA2700A023 M 270 OHM,F.1/16 W R8233 D1BA2700A023 M 270 OHM,F.1/16 W...
  • Page 71 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks 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, 1/10W R8853 D0GA182JA023 M 1.8KOHM, J,0.063W...
  • Page 72 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks ZA7102 K4AD01A00004 RUG TERMINAL ZA7104 K4AD01A00004 RUG TERMINAL...
  • Page 73 Model No. : TX-LR32B6 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CQ2YY00109 AC CORD L0EYAA000043 SPEAKER L5EDDYY00472 LCD PANEL N2QAYB000815 REMOTE TRANSMITTER TBL3FX00041 PEDESTAL ASSY TBL5ZB33371 STAND BRACKET TBM4GD1321 MODEL NAME PLATE...

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