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Panasonic TH-42C400Z Service Manual
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Panasonic TH-42C400Z Service Manual

Panasonic TH-42C400Z 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 Mode ----------------------- 8
5.1.1. Purpose ------------------------------------------------- 8
5.1.2. Key command ----------------------------------------- 8
5.1.3. How to exit---------------------------------------------- 8
5.1.4. Contents of adjustment mode --------------------- 8
5.1.5. Display of SOS History ------------------------------ 9
5.1.6. Exit-------------------------------------------------------- 9
Model No.
Chassis:
Destination:
PAGE
5.1.7. Hotel Mode----------------------------------------------9
6 Troubleshooting Guide --------------------------------------- 10
6.1. Check of the IIC bus lines------------------------------ 10
6.1.1. How to access --------------------------------------- 10
6.1.2. Self-check indication only ------------------------- 10
shipment setting ------------------------------------- 10
6.1.4. Exit ------------------------------------------------------ 10
6.1.5. Screen display --------------------------------------- 10
6.2. Power LED Blinking timing chart --------------------- 11
6.3. Method of detecting SOS ------------------------------ 11
6.4. LCD Panel test mode ----------------------------------- 12
6.5. No Power--------------------------------------------------- 12
7.1. Speaker Fixing and Assembly ----------------------- 13
7.3. Metal MTG Fixing --------------------------------------- 15
7.4. Key Button Assembly ----------------------------------- 16
7.5. PCB Fixing and Screw---------------------------------- 17
7.6. Pop Sticker & Energy Rating ------------------------- 18
ORDER NO. MTV1503367CE
TH-42C400Z
KM25
NEW ZEALAND
© Panasonic Corporation 2015.
LED TV
PAGE

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Summary of Contents for Panasonic TH-42C400Z

  • Page 1: Table Of Contents

    5.1.4. Contents of adjustment mode --------------------- 8 7.4. Key Button Assembly ----------------------------------- 16 5.1.5. Display of SOS History ------------------------------ 9 7.5. PCB Fixing and Screw---------------------------------- 17 5.1.6. Exit-------------------------------------------------------- 9 7.6. Pop Sticker & Energy Rating ------------------------- 18 © Panasonic Corporation 2015.

  • Page 2: Exploded View And Replacement Parts List

    TH-42C400Z 7.7. Fan Bag Assembly--------------------------------------- 19 7.8. Pedestal Assembly -------------------------------------- 20 7.9. Back Cover ------------------------------------------------ 21 7.10. Back Cover - Label & Screw -------------------------- 22 8 Measurements and Adjustments -------------------------- 23 8.1. Voltage chart of A-board-------------------------------- 23 8.2. Voltage chart of P-board-------------------------------- 23 9 Block Diagram --------------------------------------------------- 24 9.1.

  • Page 3: Safety Precautions

    TH-42C400Z 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-42C400Z 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-42C400Z 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-42C400Z 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, Keyscan Repairable K BOARD Remote, LED,Luminence Sensor Repairable GK BOARD Power Switch, Keyscan Repairable...

  • Page 7: Specifications

    TH-42C400Z 4 Specifications Power Rating AC 220 - 240 V, 50/60 Hz 0.50 A Normal (Home) mode 62 W Standby power consumption 0.35 W Display panel Panel LCD panel (LED backlight) Visible screen size (diagonal) 106 cm 1,920 (W)  1,080 (H) Display resolution Dimensions (W ...

  • Page 8: Service Mode

    TH-42C400Z 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 9: Display Of Sos History

    TH-42C400Z 5.1.5. 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: Troubleshooting Guide

    TH-42C400Z 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 11: Power Led Blinking Timing Chart

    TH-42C400Z 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 12: Lcd Panel Test Mode

    TH-42C400Z 6.4. LCD Panel test mode Purpose: To find the possible failure point where in LCD Panel or Printed Circuit Board when the abnormal picture is displayed. How to Enter: While pressing [VOLUME ( - )] button of the main unit, press [OPTION] button of the remote control three times within 2 seconds.

  • Page 13: Disassembly And Assembly Instructions

    TH-42C400Z 7 Disassembly and Assembly Instructions 7.1. Speaker Fixing and Assembly 1. Fix speaker bracket at panel and screw. 2. Stick sponge at speaker and slot at speaker bracket. NO PART NO DESCRIPTION REMARK L0EYAA000052 SPEAKER UNIT THEJ036J SCREW (A3/P5/VESA4/MTL4/LBRD4/SP4) 06 ±...

  • Page 14: Lcd Panel Fixing & Handling Method

    TH-42C400Z 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 15: Metal Mtg Fixing

    TH-42C400Z 7.3. Metal MTG Fixing Fix vesa metal and bottom panel into panel and screw. NO PART NO DESCRIPTION REMARK TUX5ZX0371 VESA METAL TUX5ZX0391 BOTTOM METAL THEJ036J SCREW (A3/P5/VESA4/MTL4/LBRD4/SP4) 06 ± 1 Kgf.cm FELT (5  15  0.35t) TMK4GA300...

  • Page 16: Key Button Assembly

    TH-42C400Z 7.4. Key Button Assembly Fix pcb at key button bracket and fix at panel. PART NO DESCRIPTION TBX5ZA03301 KEY BUTTON BRACKET TZLP104KGAB ASS'Y 42" IN HOUSE PANEL TMK4GA265 FELT (10 x 35 x 0.35t)

  • Page 17: Pcb Fixing And Screw

    TH-42C400Z 7.5. PCB Fixing and Screw 1. Stick barrier at panel. 2. Assembly led panel. 3. Fix chassis bracket, ground spring and side av bracket at pcb. 4. Fix all pcb and screw. PART NO DESCRIPTION REMARK TKK5ZC50501A LED PANEL...

  • Page 18: Pop Sticker & Energy Rating

    TH-42C400Z 7.6. Pop Sticker & Energy Rating PART NO DESCRIPTION TQFT725 POP STICKER T4FL0707N 0.06 BLUE TAPE TQF4GA744 ENERGY LABEL...

  • Page 19: Fan Bag Assembly

    TH-42C400Z 7.7. Fan Bag Assembly 1. Insert screw into bag and ensure bag fully seal (lock). Insert all part into cover for fan bag. 2. Direction and sequence (depend by model - Refer part list for detail) 3. Fold cover for fan bag and stick with film tape.

  • Page 20: Pedestal Assembly

    TH-42C400Z 7.8. Pedestal Assembly Fix pedestal follow below, need screw first before stick rubber foot. NO PART NO DESCRIPTION TBL4GA30521 PEDESTAL BASE R TBL4GA30531 PEDESTAL BASE L TBL5ZG30211 RUBBER FOOT TPE4GH131 BAG (PEDESTAL)

  • Page 21: Back Cover

    TH-42C400Z 7.9. Back Cover Stick felt at back cover. NO PART NO DESCRIPTION TKU5ZC07201 BACK_COVER FELT (10  260  0.35t) TMK4GA073 FELT (10  960  0.35t) TMK4GA193 FELT (12  540  0.35t) TMK4GA003 FELT (10  355  0.35t) TMK4GA101 FELT (10 ...

  • Page 22: Back Cover - Label & Screw

    TH-42C400Z 7.10. Back Cover - Label & Screw 1. Fix back cover and screw. 2. Stick side button label and serial number label. PART NO DESCRIPTION REMARK TBM4GU3151 SIDE_BUTTON_LABEL THEC1509 SCREW (BC3/VESA4) 06 ± 1 Kgf.cm THTD037J SCREW (BC9/AV3/CRTL1/SP4) 06 ± 1 Kgf.cm...

  • Page 23: Measurements And Adjustments

    TH-42C400Z 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 (V) Remark SUB1.2V TP8004 1.14 - 1.26 SUB3.3V...

  • Page 24: Block Diagram

    TH-42C400Z 9 Block Diagram 9.1. Main Block Diagram PANEL 32” 10W x 2 32” 10W x 2 Audio AMP 39” 39” 10W x 2 10W x 2 I2S AMP LVDS YAMAHA HD : (DATA 4pairs / CLK 1pair) (same as MT5307project)

  • Page 25: Wiring Connection Diagram

    TH-42C400Z 10 Wiring Connection Diagram 10.1. Wire Dressing 1...

  • Page 26: Wire Dressing

    TH-42C400Z 10.2. Wire Dressing 2 Stick pet tape for wire dressing. PART NO DESCRIPTION REMARK 60 mm  6 pcs T4FP10050 0.59 PET_TAPE (0.06*6)

  • Page 27: Schematic Diagram

    TH-42C400Z 11 Schematic Diagram Model No. : TH-42C400Z A-Board (1/13)
  • Page 28 Model No. : TH-42C400Z A-Board (2/13)
  • Page 29 Model No. : TH-42C400Z A-Board (3/13)
  • Page 30 Model No. : TH-42C400Z A-Board (4/13)
  • Page 31 Model No. : TH-42C400Z A-Board (5/13)
  • Page 32 Model No. : TH-42C400Z A-Board (6/13)
  • Page 33 Model No. : TH-42C400Z A-Board (7/13)
  • Page 34 Model No. : TH-42C400Z A-Board (8/13)
  • Page 35 Model No. : TH-42C400Z A-Board (9/13)
  • Page 36 Model No. : TH-42C400Z A-Board (10/13)
  • Page 37 Model No. : TH-42C400Z A-Board (11/13)
  • Page 38 Model No. : TH-42C400Z A-Board (12/13)
  • Page 39 Model No. : TH-42C400Z A-Board (13/13)
  • Page 40 Model No. : TH-42C400Z GK-Board...
  • Page 41 Model No. : TH-42C400Z K-Board...
  • Page 42 Model No. : TH-42C400Z LD-Board...
  • Page 43 Model No. : TH-42C400Z P-Board (1/2)
  • Page 44 Model No. : TH-42C400Z P-Board (2/2)

  • Page 45: Printed Circuit Board

    TH-42C400Z 12 Printed Circuit Board Model No. : TH-42C400Z A-Board (Top Component Side)
  • Page 46 Model No. : TH-42C400Z A-Board (Bottom Component Side)
  • Page 47 Model No. : TH-42C400Z GK-Board...
  • Page 48 Model No. : TH-42C400Z K-Board...
  • Page 49 Model No. : TH-42C400Z LD-Board...
  • Page 50 Model No. : TH-42C400Z P-Board (Top Component Side)
  • Page 51 Model No. : TH-42C400Z P-Board (Bottom Component Side)
  • Page 52 TH-42C400Z 13 Exploded View and Replacement Parts List Model No. : TH-42C400Z Parts Location...
  • Page 53 Model No. : TH-42C400Z Packing Exploded View 1...
  • Page 54 Model No. : TH-42C400Z Packing Exploded View 2...
  • Page 55 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITOR C2008 F1G1E103A144 C 0.01UF, 25V C2014 F1H1E104A161 C 0.1UF, 25V C2015 F1K1V106A010 C 10UF, 25V C2016 F1G1C104A146 C 0.1UF, 16V C2017 F1G1C103A173 C 0.01UF, 16V...
  • Page 56 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5615 F1J1A106A043 C 10UF, 10V C5616 F1G1C104A146 C 0.1UF, 16V C5624 F1J1A106A043 C 10UF, 10V C5625 F1G1C104A146 C 0.1UF, 16V C5717 F1J1A106A043 C 10UF, 10V...
  • Page 57 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7306 F1J1H104A902 C 0.1UF, 50V C7307 F1J1H101A906 C 100PF, 50V C7310 F2A1E4710124 C 470UF, 25V C7311 F1J1H105A919 C 1UF, 50V C7312 F1H1C474A178 C 0.47UF, 10V...
  • Page 58 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8111 F1G1E332A172 C 3300PF, 25V C8112 F1J0J2260004 C 22 UF 6.3 V C8113 F1G1C103A173 C 0.01UF, 16V C8115 F1H1C105A167 C 1UF, 10V C8116 F1J0J2260004 C 22 UF 6.3 V...
  • Page 59 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D1002 DZ2J140M0L DIODE D1003 DZ2J140M0L DIODE D1004 DZ2J140M0L DIODE D1005 DZ2J140M0L DIODE D1007 DZ2J140M0L DIODE D2006 D4ED11200003 DIODE D2008 D4ED11200003 DIODE D2800 DZ2J056M0L...
  • Page 60 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7811 DZ2J360M0L DIODE D7812 DA2J10100L DIODE D8001 B0JCED000012 DIODE D8002 B0JCED000012 DIODE INTEGRATED CIRCUIT IC4300 C0DBAYY02430 IC4900 C1AB00003984 IC5602 C0DBZYY00723 IC5704 C0DBEYY00102 IC6750...
  • Page 61 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Q2007 B1ABCF000231 TRANSISTOR Q4500 B1ABCF000231 TRANSISTOR Q4501 B1ABCF000231 TRANSISTOR Q4504 B1ABCF000231 TRANSISTOR Q4505 B1ABCF000231 TRANSISTOR Q5006 B1ABCF000231 TRANSISTOR Q5007 B1ABCF000231 TRANSISTOR Q5009 B1ADCE000022...
  • Page 62 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R2032 D0GA473JA039 M 47K Ohm, J, 1/16W R2033 D1BA1002A023 M 10K Ohm, F, 1/16W R2034 D0GA102JA023 M 1K Ohm, J, 1/16W R2035 D1BA4702A023...
  • Page 63 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4520 D0GA473JA039 M 47K Ohm, J, 1/16W R4521 D0GA911JA023 M 910 Ohm, J, 1/16W R4522 D0GA911JA023 M 910 Ohm, J, 1/16W R4523 D0GA104JA023...
  • Page 64 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R6753 D0GA101JA023 M 100 Ohm, J, 1/16W R6757 D0GA101JA023 M 100 Ohm, J, 1/16W R6758 D0GA101JA023 M 100 Ohm, J, 1/16W R6759 D0GA102JA023...
  • Page 65 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7402 D0GD103JA052 M 10K Ohm, J, 1/8W R7403 D0GD102JA052 M 1K Ohm, J, 1/8W R7404 D0GD104JA052 M 100K Ohm, J, 1/8W R7405 D0GD222JA052 M 2.2K Ohm, J, 1/8W...
  • Page 66 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7847 D0GDR00J0004 M 0 Ohm, J, 1/8W R7848 ERX1SJR22V M 0.22Ohm, J, 1W R7851 D1BD12R0A204 M 12 Ohm, F, 1/8W R7852 D1BD12R0A204 M 12 Ohm, F, 1/8W...
  • Page 67 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8147 D0GA750JA023 M 75 Ohm, J, 1/16W R8148 D0GA103JA023 M 10K Ohm, J, 1/16W R8149 D1BA1001A023 M 1K Ohm, F, 1/16W R8150 D1BA1001A023...
  • Page 68 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks PC7301 B3PAA0000674 PHOTO COUPLER PC7302 B3PAA0000674 PHOTO COUPLER PC7303 B3PAA0000674 PHOTO COUPLER RM2800 B3RBB0000018 PHOTO DETECTOR SN2800 B3JB00000219 PHOTO DETECTOR SW2851 EVQ11G05R SWITCH...
  • Page 69 Model No. : TH-42C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CJ2YY00087 AC CORD L0EYAA000052 SPEAKER UNIT N2QAYB000976 REMOTE TRANSMITTER Kit includes all brackets and TBL5ZX08911 STAND METAL BRACKET KIT screws TBM4GD6677...

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