Panasonic TH-50C400Z Service Manual
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Panasonic TH-50C400Z Service Manual

Chassis: km25
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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. Bracket Fitting--------------------------------------------- 17
7.6. Fan Bag Assembly--------------------------------------- 18
ORDER NO. MTV1503373CE
TH-50C400Z
KM25
NEW ZEALAND
© Panasonic Corporation 2015.
LED TV
PAGE

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Do you have a question about the TH-50C400Z and is the answer not in the manual?

Questions and answers

Stuart
April 29, 2025

How do you take the base off that allows it to sit on a table top

0
1 comments:
Mr. Anderson
May 15, 2025

To remove the base from the Panasonic TH-50C400Z for tabletop placement, follow these steps:

1. Disconnect the TV from the power source.
2. Lay the TV face down on a soft, flat surface to avoid damage.
3. Locate and remove the screws securing the base (pedestal) to the TV.
4. Carefully detach the base from the TV.

Use caution to prevent damage or injury during removal.

This answer is automatically generated

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Summary of Contents for Panasonic TH-50C400Z

  • Page 1: Table Of Contents

    7.3. Metal MTG Fixing --------------------------------------- 15 5.1.4. Contents of adjustment mode --------------------- 8 7.4. Key Button Assembly ----------------------------------- 16 5.1.5. Display of SOS History ------------------------------ 9 7.5. Bracket Fitting--------------------------------------------- 17 5.1.6. Exit-------------------------------------------------------- 9 7.6. Fan Bag Assembly--------------------------------------- 18 © Panasonic Corporation 2015.
  • Page 2 TH-50C400Z 7.7. Pop Sticker & Energy Rating -------------------------- 19 7.8. Back Cover ------------------------------------------------ 20 7.9. Back Cover - Label & Screw -------------------------- 21 8 Measurements and Adjustments -------------------------- 22 8.1. Voltage chart of A-board-------------------------------- 22 8.2. Voltage chart of P-board-------------------------------- 22 9 Block Diagram --------------------------------------------------- 23 9.1.

  • Page 3: Safety Precautions

    TH-50C400Z 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-50C400Z 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-50C400Z 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-50C400Z 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD TUN, EEP, SPI Flash, MTK IC Repairable P BOARD Power Supply, LED Driver IC Repairable K BOARD Remote, LED, Luminence Sensor Repairable GK BOARD Power Switch, Keyscan...

  • Page 7: Specifications

    TH-50C400Z 4 Specifications Power Rating AC 220 - 240 V, 50/60 Hz 0.47 A Normal (Home) mode 61 W Standby power consumption 0.20 W Display panel Panel LCD panel (LED backlight) Visible screen size (diagonal) 126 cm 1,920 (W)  1,080 (H) Display Resolution Dimensions (W ...

  • Page 8: Service Mode

    TH-50C400Z 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-50C400Z 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-50C400Z 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-50C400Z 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-50C400Z 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-50C400Z 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. 3. Fix lcd mtg metal at cabinet and speaker bracket. PART NO...

  • Page 14: Lcd Panel Fixing & Handling Method

    TH-50C400Z 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-50C400Z 7.3. Metal MTG Fixing 1. Fix ground spring into A-pcb bracket and fix to pcb. 2. Fix pcb to panel and screw. PART NO DESCRIPTION REMARK TES5ZA001 GROUND_SPRING TKP5ZA32202 SIDE_AV_BRACKET THEJ036J SCREW (A3/P5/SP4/VESA4/METAL4) 06 ± 1 Kgf.cm TMX5ZE0041 A-PCB_BRACKET...

  • Page 16: Key Button Assembly

    TH-50C400Z 7.4. Key Button Assembly 1. Fix panel at cabinet and screw. 2. Fix pcb at key button bracket and fix at panel. 3. Stick barrier at panel. 4. Stick felt at key button. PART NO DESCRIPTION TMK5ZX084 BARRIER L5EDDYY00580...

  • Page 17: Bracket Fitting

    TH-50C400Z 7.5. Bracket Fitting Fix bottom metal and vesa metal to panel and screw. PART NO DESCRIPTION REMARK TUX5ZX0321 VESA_METAL TUX5ZX0381 BOTTOM_METAL THEJ036J SCREW(A3/P5/SP4/VESA4/METAL4) 06 ± 1 Kgf.cm TKP5ZA41701 LED_PANEL_CASE TKK5ZC50501A LED_PANEL FELT (8  95  0.45t) TMK4GA300 SPONGE (10  40  3t)

  • Page 18: Fan Bag Assembly

    TH-50C400Z 7.6. Fan Bag Assembly (Accessories) 1. Insert screw into bag and ensure bag fully seal (lock). (Fan Bag Assembly) 1. Insert all part into cover for fan bag. 2. Direction and sequence (depend by model - Refer part list for detail).

  • Page 19: Pop Sticker & Energy Rating

    TH-50C400Z 7.7. Pop Sticker & Energy Rating PART NO DESCRIPTION TQFT725 POP STICKER TQF4GA742 ENERGY LABEL T4FL0707N 0.06 BLUE_TAPE (L-40)

  • Page 20: Back Cover

    TH-50C400Z 7.8. Back Cover Stick felt at back cover. PART NO DESCRIPTION TKU5ZC07603 BACK_COVER FELT(BLACK) (10  210  0.35t) TMK4GA375 FELT (5  100  0.9t) TMK4GA330 FELT (5  320  0.35t) TMK4GA373 FELT (8  25  0.35t) TMK4GA301 FELT (15 ...

  • Page 21: Back Cover - Label & Screw

    TH-50C400Z 7.9. Back Cover - Label & Screw 1. Fix back cover and screw. 2. Stick side button label and serial number label. PART NO DESCRIPTION REMARK THTD037J SCREW(SP4/REAR_AV2/SIDE_BRKT1/CTRL1) 06 ± 1 Kgf.cm TBM4GU113 ADJUSTMENT SHEET TBM4GD6674 MODEL_NAME_PLATE TBM4GU3151 SIDE_BUTTON_LABEL...

  • Page 22: Measurements And Adjustments

    TH-50C400Z 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 23: Block Diagram

    TH-50A400K 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 YAMAHA LVDS HD : (DATA 4pairs / CLK 1pair) (same as MT5307project) single8bit FHD: (DATA 4pairs / CLK 1pair) dual8bit...

  • Page 24: Wiring Connection Diagram

    TH-50C400Z 10 Wiring Connection Diagram 10.1. Wire Dressing 1 1. Fix all wire connector and LVDS wire to PCB. 2. Dressing wire follow picture. PART NO DESCRIPTION TSCKF0730001 LVDS CABLE...

  • Page 25: Wire Dressing

    TH-50C400Z 10.2. Wire Dressing 2 Stick pet tape for wire dressing. PART NO DESCRIPTION REMARK 60 mm  10 pcs T4FP10050 0.71 PET_TAPE 110 mm  1 pc T4FP10050 0.71 PET_TAPE...

  • Page 26: Schematic Diagram

    TH-50C400Z 11 Schematic Diagram Model No. : TH-50C400Z A-Board (1/13)
  • Page 27 Model No. : TH-50C400Z A-Board (2/13)
  • Page 28 Model No. : TH-50C400Z A-Board (3/13)
  • Page 29 Model No. : TH-50C400Z A-Board (4/13)
  • Page 30 Model No. : TH-50C400Z A-Board (5/13)
  • Page 31 Model No. : TH-50C400Z A-Board (6/13)
  • Page 32 Model No. : TH-50C400Z A-Board (7/13)
  • Page 33 Model No. : TH-50C400Z A-Board (8/13)
  • Page 34 Model No. : TH-50C400Z A-Board (9/13)
  • Page 35 Model No. : TH-50C400Z A-Board (10/13)
  • Page 36 Model No. : TH-50C400Z A-Board (11/13)
  • Page 37 Model No. : TH-50C400Z A-Board (12/13)
  • Page 38 Model No. : TH-50C400Z A-Board (13/13)
  • Page 39 Model No. : TH-50C400Z GK-Board...
  • Page 40 Model No. : TH-50C400Z K-Board...
  • Page 41 Model No. : TH-50C400Z P-Board (1/2)
  • Page 42 Model No. : TH-50C400Z P-Board (2/2)

  • Page 43: Printed Circuit Board

    TH-50C400Z 12 Printed Circuit Board Model No. : TH-50C400Z A-Board (Top Component Side)
  • Page 44 Model No. : TH-50C400Z A-Board (Bottom Component Side)
  • Page 45 Model No. : TH-50C400Z GK-Board...
  • Page 46 Model No. : TH-50C400Z K-Board...
  • Page 47 Model No. : TH-50C400Z P-Board (Top Component Side)
  • Page 48 Model No. : TH-50C400Z P-Board (Bottom Component Side)

  • Page 49: Exploded View And Replacement Parts List

    TH-50C400Z 13 Exploded View and Replacement Parts List Model No. : TH-50C400Z Parts Location...
  • Page 50 Model No. : TH-50C400Z Packing Exploded View 1...
  • Page 51 Model No. : TH-50C400Z Packing Exploded View 2...
  • Page 52 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITOR C2008 F1G1E103A172 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 53 Model No. : TH-50C400Z 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 54 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7307 F1J1H101A906 C 100PF, 50V C7310 F2A1E4710124 C 470UF, 25V C7311 F1J1H105A919 C 1UF, 50V C7312 F1H1C474A178 C 0.47UF, 10V C7313 F1J1H102A909 C 1000PF, 50V...
  • Page 55 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8151 F1H1H103B047 C 0.01UF, 50V C8152 F1G1A105A047 C 1UF, 6.3V C8153 F1G1A105A047 C 1UF, 6.3V C8162 F1G1C104A146 C 0.1UF, 16V C8163 F1G1C103A173 C 0.01UF, 16V...
  • Page 56 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7104 B0EAKR000022 DIODE D7105 B0EAKR000022 DIODE D7106 B0EBNT000028 DIODE D7211 B0JCMG000043 DIODE D7215 B0HAPR000013 DIODE D7221 B0ACCD000008 DIODE D7301 DZ2J039M0L DIODE D7302 B0HAGQ000001...
  • Page 57 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L6774 G1CR27JA0097 COIL L6776 G1CR27JA0097 COIL L6777 G1CR22JA0097 CHIP BEADS L6778 G1CR22JA0097 CHIP BEADS L7201 J0JYB0000044 BEAD CORE L7207 J0JYC0000344 COIL L7303 J0JYB0000044...
  • Page 58 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R1000 D0GA101JA039 M 100Ohm, J, 1/16W R2011 D0GA102JA039 M 1K Ohm, J, 1/16W R2012 D0GA473JA039 M 47K Ohm, J, 1/16W R2018 D0GA680JA023 M 68 Ohm, J, 1/16W...
  • Page 59 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4516 D0GA473JA039 M 47K Ohm, J, 1/16W R4517 D0GA473JA039 M 47K Ohm, J, 1/16W R4518 D0GA104JA039 M 100K Ohm, J, 1/16W R4519 D0GA104JA039...
  • Page 60 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R6730 D0GA103JA039 M 10K Ohm, J, 1/16W R6743 D0GA102JA039 M 1K Ohm, J, 1/16W R6744 D0GA102JA039 M 1K Ohm, J, 1/16W R6750 D0GA101JA039...
  • Page 61 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7325 ERX1SJ1R0V M 1 Ohm, J, 1W R7383 D0GDR00J0004 M 0 Ohm, J, 1/8W R7397 D0GDR00J0004 M 0 Ohm, J, 1/8W R7401 D0GD472JA052 M 4.7K Ohm, J, 1/8W...
  • Page 62 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8904 D0GA220JA023 M 22 Ohm, J, 1/16W R8905 D0GA680JA023 M 68 Ohm, J, 1/16W R8906 D0GA680JA023 M 68 Ohm, J, 1/16W R8907 D0GA680JA023...
  • Page 63 Model No. : TH-50C400Z Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K2CJ2YY00087 AC CORD L0EYAA000052 SPEAKER UNIT L5EDDYY00580 LCD PANEL N2QAYB000976 REMOTE TRANSMITTER TBL5ZX08401 PEDESTAL BASE ASSEMBLY Kit includes all brackets and...

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