Panasonic TH-L32B6R Service Manual
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Panasonic TH-L32B6R 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. SP Bracket & Metal Bottom --------------------------- 14
7.2. LCD Panel Assembly ----------------------------------- 15
7.5. Metal Bracket --------------------------------------------- 18
7.6. PCB Installation ------------------------------------------ 19
7.7. Vesa Metal (BC) ------------------------------------------ 20
7.8. Back Cover Installation --------------------------------- 21
8 Measurements and Adjustments -------------------------- 22
8.1. Voltage chart of A-board ------------------------------- 22
8.2. Voltage chart of P-board ------------------------------- 22
ORDER NO. MTV1301034CE
TH-L32B6R
KM21
IRAN
© Panasonic Corporation 2013.
LED TV
PAGE

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Summary of Contents for Panasonic TH-L32B6R

  • Page 1: Table Of Contents

    7.8. Back Cover Installation --------------------------------- 21 5.1.4. POWER ON TIME/COUNT -----------------------10 8 Measurements and Adjustments -------------------------- 22 5.1.5. Exit-------------------------------------------------------10 8.1. Voltage chart of A-board ------------------------------- 22 5.1.6. Self Check Mode------------------------------------- 11 8.2. Voltage chart of P-board ------------------------------- 22 © Panasonic Corporation 2013.
  • Page 2 TH-L32B6R 9 Block Diagram --------------------------------------------------- 23 9.1. Main Block Diagram ------------------------------------- 23 10 Wiring Connection Diagram --------------------------------- 24 10.1. Wire Dressing --------------------------------------------- 24 11 Schematic Diagram--------------------------------------------- 25 12 Printed Circuit Board ------------------------------------------ 13 Exploded View and Replacement Parts List ----------- 13.1.

  • Page 3: Safety Precautions

    TH-L32B6R 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-L32B6R 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-L32B6R 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-L32B6R 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

    TH-L32B6R 4 Specifications Power Source AC 220 - 240 V, 50/60 Hz Power Rating 64 W Standby power consumption 0.3 W Display Panel Panel TFT LCD Module with LED Backlight Visible screen size (diagonal) 80 cm (32 inches) 1,049,088  (1,366 (W)  768 (H))
  • Page 8 TH-L32B6R DIGITAL AUDIO OUT PCM / Dolby Digital / DTS, Fibre optic TYPE A Connectors  2 HDMI AV IN USB 2.0 TYPE A Connectors  1 DC 5 V, Max. 500 mA Note • Design and Specifications are subject to change without notice. Mass and Dimensions shown are approximate.

  • Page 9: Service Mode

    TH-L32B6R 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-L32B6R 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-L32B6R 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-L32B6R 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-L32B6R 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-L32B6R 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. Part No Description...

  • Page 15: Lcd Panel Assembly

    TH-L32B6R 7.2. LCD Panel Assembly Install LCD panel to cabinet. Part No Description L5EDDYY00472 LCD PANEL...

  • Page 16: Lcd Panel Fixing & Handling Method

    TH-L32B6R 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: Led Panel And Bracket Assembly

    TH-L32B6R 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. Description TKK5ZC50311...

  • Page 18: Metal Bracket

    TH-L32B6R 7.5. Metal Bracket Part No Description Remarks TKZ5ZA50251 LCD_MTG_SIDE TUA5ZA07801 METAL VERTICAL R TUA5ZA07901 METAL VERTICAL L TUA5ZA07501 METAL_CH_FRAME-A TKX5ZA02801 SPEAKER_BRACKET THEJ036J SCREW (A4/P2/MTL_VL1) 6 ± 1 kgf.cm THE4GJ001J SCREW (MTL VR2/MTL VL1) 13 ± 1 kgf.cm...

  • Page 19: Pcb Installation

    TH-L32B6R 7.6. PCB Installation 1. Install P & A-Board and fix it with screws. 2. Install Side AV Bracket and fix it with screws. Part No Description Remarks THEJ036J SCREW (A4/P2/MTL_VL1) 6 ± 1 kgf.cm XTV3 + 10JFJ SCREW (SP BRKT) 6 ±...

  • Page 20: Vesa Metal (Bc)

    TH-L32B6R 7.7. Vesa Metal (BC) Install vesa metal 2 pc into back cover. Part No Description TKZ4GX5034 VESA METAL...

  • Page 21: Back Cover Installation

    TH-L32B6R 7.8. Back Cover Installation 1. Install Back cover. 2. Fix screws. Part No Description Remarks THEC1509 SCREW (B7) 6 ± 1 kgf.cm XTV3 + 8GFJK SCREW (AV5) 6 ± 1 kgf.cm THTD030J SCREW (BC8) 10 ± 2 kgf.cm...

  • Page 22: Measurements And Adjustments

    TH-L32B6R 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 12.1V ± 0.8V SUB3.3V TP5400 3.32V ±...

  • Page 23: Block Diagram

    TH-L32B6R 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 24: Wiring Connection Diagram

    TH-L32B6R 10 Wiring Connection Diagram 10.1. Wire Dressing Do wire dressing follow below spec: Part No Description Remarks 0.07  3 T4FP1505J PET TAPE (GREY W=15mm) 0.21 0.10  2 T4FP1505J PET TAPE (GREY W=15mm) TSCKF0250001 LVDS CABLE TMME268 CLAMPER...

  • Page 25: Schematic Diagram

    TH-L32B6R 11 Schematic Diagram Model No. : TH-L32B6R A-Board (1/12)
  • Page 26 Model No. : TH-L32B6R A-Board (2/12)
  • Page 27 Model No. : TH-L32B6R A-Board (3/12)
  • Page 28 Model No. : TH-L32B6R A-Board (4/12)
  • Page 29 Model No. : TH-L32B6R A-Board (5/12)
  • Page 30 Model No. : TH-L32B6R A-Board (6/12)
  • Page 31 Model No. : TH-L32B6R A-Board (7/12)
  • Page 32 Model No. : TH-L32B6R A-Board (8/12)
  • Page 33 Model No. : TH-L32B6R A-Board (9/12)
  • Page 34 Model No. : TH-L32B6R A-Board (10/12)
  • Page 35 Model No. : TH-L32B6R A-Board (11/12)
  • Page 36 Model No. : TH-L32B6R A-Board (12/12)
  • Page 37 Model No. : TH-L32B6R K-Board...
  • Page 38 Model No. : TH-L32B6R P-Board...

  • Page 39: Printed Circuit Board

    TH-L32B6R 12 Printed Circuit Board Model No. : TH-L32B6R A-Board (Top Component Side)
  • Page 40 Model No. : TH-L32B6R A-Board (Bottom Component Side)
  • Page 41 Model No. : TH-L32B6R K-Board...
  • Page 42 Model No. : TH-L32B6R P-Board...
  • Page 43 Model No. : TH-L32B6R P-Board (Top Component Side)

  • Page 44: Exploded View And Replacement Parts List

    TH-L32B6R 13 Exploded View and Replacement Parts List Model No. : TH-L32B6R Parts Location...
  • Page 45 Model No. : TH-L32B6R Packing Exploded View 1...
  • Page 46 Model No. : TH-L32B6R Packing Exploded View 2...
  • Page 47 Model No. : TH-L32B6R 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 C2014 F1K1E106A134 C 10UF, 25V C2023 F1G1C104A077 C 0.1UF 16V C2801 F1G1C1030008 C 0.01UF 16V...
  • Page 48 Model No. : TH-L32B6R 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 49 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7314 F1H1H102B052 C 1000PF 50V C7315 F1AAF102A020 C 1000PF 240V C7401 F1H1H104B047 C 0.1UF, 50V C7402 F1H1H104B047 C 0.1UF, 50V C7501 F1A3A471A060 C 470PF 1KV...
  • Page 50 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8208 F1G1C104A077 C 0.1UF 16V C8210 F1G1C104A077 C 0.1UF 16V C8212 F1G1C104A077 C 0.1UF 16V C8214 F1G1C104A077 C 0.1UF 16V C8218 F1G1C104A077 C 0.1UF 16V...
  • Page 51 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7316 B0JCDE000006 DIODE D7317 DA2JF2300L DIODE D7320 B0JAME000126 DIODE D7323 B0JCDE000006 DIODE D7403 EZJZ1V800AA VARISTOR D7404 EZJZ1V800AA VARISTOR D7502 B0FBCM000016 DIODE D7507 B0JDSL000013...
  • Page 52 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L8100 G1C3R3MA0464 INDUCTOR L8101 G1C2R2ZA0311 INDUCTOR TRANSISTORS Q2012 B1ABCE000015 TRANSISTOR Q2013 B1ABCE000015 TRANSISTOR Q3102 B1ABCE000015 TRANSISTOR Q3103 B1ABCE000015 TRANSISTOR Q4702 B1ABCF000231 TRANSISTOR Q4709...
  • Page 53 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R2820 D0GA470JA023 M 47 OHM, J,1/16W R2821 D0GAR00J0005 M 0 OHM, 1/16W R2823 D1BA1821A023 M 1.82KOHM, 1/16W R2824 D1BA6800A023 M 680OHM, 1/16W R3117...
  • Page 54 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4906 D0GA103JA039 M 10KOHM,F,1/16W R4907 D0GA102JA039 M 1KOHM ,J, 1/10W R4908 D0GA102JA039 M 1KOHM ,J, 1/10W R4917 D0GAR00J0005 M 0 OHM, 1/16W R4918...
  • Page 55 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7314 D0GD681JA059 M 680OHM, 1/16W R7315 D0C1R33JA104 M 0.33OH ,J, 1W R7317 D0GD680JA052 M 68 OHM,J,1/8W R7318 D0GD471JA052 M 470 OHM,J,1/8W R7319 D0GB393JA065...
  • Page 56 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks 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 R8234 D0GA220JA023 M22 OHM, J.1/16 W...
  • Page 57 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks F7101 K5E502YYA162 FUSE D0GFR00J0005 CHIP RESISTOR D0GFR00J0005 CHIP RESISTOR D0GFR00J0005 CHIP RESISTOR D0GFR00J0005 CHIP RESISTOR D0GFR00J0005 CHIP RESISTOR D0GFR00J0005 CHIP RESISTOR D0GFR00J0005 CHIP RESISTOR...
  • Page 58 Model No. : TH-L32B6R Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CQ2YY00109 AC CORD L0EYAA000043 SPEAKER L5EDDYY00472 LCD PANEL N2QAYB000817 REMOTE TRANSMITTER TBL5ZX06921 PEDESTAL ASSY TBL5ZX06931 STAND MOULD ASSY TBM4GD2131 MODEL NAME PLATE...

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