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Panasonic TH-55AS670A Service Manual

Chassis: la51
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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-------------------------------------------- 10
6 Troubleshooting Guide --------------------------------------- 11
6.1. Check of the IIC bus lines------------------------------ 11
6.1.1. How to access --------------------------------------- 11
6.1.2. Self-check indication only ------------------------- 11
shipment setting ------------------------------------- 11
6.1.4. Exit ------------------------------------------------------ 11
6.1.5. Screen display --------------------------------------- 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. Method of detecting SOS ------------------------------ 12
6.4. LCD Panel test mode ----------------------------------- 13
6.5. No Power--------------------------------------------------- 13
7.1. Speaker Unit Assembly--------------------------------- 14
7.4. Vesa & Bottom Metal Ass'y---------------------------- 17
7.5. Barrier & Heat Sink Ass'y ----------------------------- 18
7.6. PCB & AV Bracket Ass'y ------------------------------- 19
ORDER NO. MTV1401290CE
TH-55AS670A
LA51
AUSTRALIA
© Panasonic Corporation 2014.
LED TV
PAGE

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Summary of Contents for Panasonic TH-55AS670A

  • Page 1: Table Of Contents

    5.1.4. Contents of adjustment mode --------------------- 8 7.4. Vesa & Bottom Metal Ass’y---------------------------- 17 5.1.5. Display of SOS History ------------------------------ 9 7.5. Barrier & Heat Sink Ass’y ----------------------------- 18 5.1.6. Exit-------------------------------------------------------- 9 7.6. PCB & AV Bracket Ass’y ------------------------------- 19 © Panasonic Corporation 2014.
  • Page 2 TH-55AS670A 7.7. WIFI & Bluetooth Ass’y --------------------------------- 20 7.8. Pedestal Ass’y -------------------------------------------- 21 7.9. Back Cover Installation -------------------------------- 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-55AS670A 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-55AS670A 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-55AS670A 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-55AS670A 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD Tuner, DVB-T2 De-Mod, ISDB De-Mod, LD6, LNB Repairable P BOARD Power Supply, LED Driver Repairable K BOARD Remote, LED, Luminance Sensor Repairable GK BOARD Control Panel...

  • Page 7: Specifications

    Materials Main body / Lens section Resin • Use Panasonic 3D Eyewear supporting passive 3D system technology. Note • Touch Pad Controller uses Bluetooth wireless technology. • Design and Specifications are subject to change without notice. Mass and Dimensions shown are approximate.

  • Page 8: Service Mode

    TH-55AS670A 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-55AS670A Main item Sub item Sample Data OPTION Boot STBY-SET EMERGENCY CLK MODE CLOCK Y/C DELAY DYNAMIC OPT 1 00000000 OPT 2 11100110 OPT 3 00001001 OPT 4 00000000 EDID-CLK HIGH SRV-TOOL DRV CHECK DYNAMIC 5.1.5. Display of SOS History SOS History (Number of LED blinking) indication.

  • Page 10: Hotel Mode

    TH-55AS670A 5.1.7. Hotel Mode Item Function 1. Purpose Hotel Mode Select hotel mode On/Off Restrict a function for hotels. Initial INPUT Select input signal modes. 2. Access command to the Hotel mode setup menu. Set the input, when each time power is switched on.

  • Page 11: Troubleshooting Guide

    TH-55AS670A 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 12: Power Led Blinking Timing Chart

    TH-55AS670A 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: Blinking times Contents &...

  • Page 13: Lcd Panel Test Mode

    TH-55AS670A 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 14: Disassembly And Assembly Instructions

    TH-55AS670A 7 Disassembly and Assembly Instructions 7.1. Speaker Unit Assembly 1. Install sp bracket to panel and fix with screw. 2. Install the speaker unit to sp bracket. Description Remarks SP BRACKET SPEAKER UNIT SCREW (SP4) 6 ± 1 Kgf.cm...

  • Page 15: Lcd Panel Fixing & Handling Method

    TH-55AS670A 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 16: Led Panel & Control Button Ass'y

    TH-55AS670A 7.3. LED Panel & Control Button Ass’y Install led panel & ctrl button ass’y. Description Remarks KEY BUTTON BRACKET LED PANEL LED PANEL CASE K-BOARD *Refer to chassis part list FELT (0.45  95  8)

  • Page 17: Vesa & Bottom Metal Ass'y

    TH-55AS670A 7.4. Vesa & Bottom Metal Ass’y 1. Install vesa metal to panel and fix with screw. 2. Stick gasket to panel and bottom metal. 3. Install bottom metal to panel and fix with screw. Description Remarks VESA METAL BOTTOM METAL SCREW (VESA4/METAL4) 6 ±...

  • Page 18: Barrier & Heat Sink Ass'y

    TH-55AS670A 7.5. Barrier & Heat Sink Ass’y 1. Fix barrier. 2. Install heat sink and fix with screw. 3. Stick conductive sheets and spacer. Description Remarks BARRIER HEAT_SINK_REAR A-THERMAL CONDUCTIVE SHEET (REAR) SPACER FOR A-HEAT SINK SCREW (HEAT_SINK7) 6 ± 1 kgf.cm...

  • Page 19: Pcb & Av Bracket Ass'y

    TH-55AS670A 7.6. PCB & AV Bracket Ass’y 1. Install A/P board. 2. Fix AV bracket. 3. Fix clamper, felt and gasket. Description Remarks SIDE_AV_BRACKET BOTTOM_AV_BRACKET GASKET SCREW (A6/P7) 6 ± 1 kgf.cm FELT (0.45  20  10) CLAMPER *Refer to chassis part list...

  • Page 20: Wifi & Bluetooth Ass'y

    TH-55AS670A 7.7. WIFI & Bluetooth Ass’y 1. Install wifi metal & bluetooth bracket parts to LCD panel. 2. Install module. 3. Fix all parts with screws. 4. Stick felt to metal vertical R. Description Remarks WIFI_METAL WIFI_MODULE BT_MODULE BLUETOOTH_BRACKET SCREW (WF3/BT1)

  • Page 21: Pedestal Ass'y

    TH-55AS670A 7.8. Pedestal Ass’y 1. Install neck base to metal frame and fix with screw. 2. Fix rubber foot. 3. Stick frame sheet to pedestal. 4. Packed pedestal ass’y with bag. Description Remarks METAL_FRAME NECK_BASE-R NECK_BASE-L RUBBER_FOOT RUBBER_FOOT METAL_FRAME_SHEET-R METAL_FRAME_SHEET-L M5 ...

  • Page 22: Back Cover Installation

    TH-55AS670A 7.9. Back Cover Installation 1. Install back cover and fix with screw. 2. Install dongle cover. Description Remarks SCREW (BC16/VESA4) 6 ± 1 Kgf.cm SCREW (BC13/SP4/AV1/CTRL1) 6±1 Kgf.cm...

  • Page 23: Measurements And Adjustments

    TH-55AS670A 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. Board Checked Name Test Point Specification In/Out PNL12V TP4000, TP4001 12V ± 1.2V...

  • Page 24: Block Diagram

    TH-55AS670A 9 Block Diagram 9.1. Main Block Diagram MAIN PEAKS-LD6 (MICON + VIDEO PROCESSOR+AUDIO PROCESSOR + STM) AUDIO_OUT SPEAKER(L) IFD_OUT AUDIO SOUND_SOS_DET TUNER SPEAKER(R) AUDIO PROCESSOR TU_3.3V ARC_OUT DIGITAL_OUT TU_1.8V DIGITAL ARC_OUT [HDMI DECODER/AD (A Chip) USB I/F USB1,2 USB HIGH...

  • Page 25: Detailed Block Diagram (1/2)

    TH-55AS670A 9.2. Detailed Block Diagram (1/2) JK3001B MAIN RF IN POWER SUPPLY TU6705 H O T COLD C O L D A02A DMD_I2C0 T7301 T7201(A,Z) IC7503 T7202(M) Q7301.02 D7412 PA7406 STB5V D7102(M) D7110(A,Z) POWER RECTIFIER D7413 Q7201 D7403 IC7201 IC5704 D7407 +1.8V...

  • Page 26: Detailed Block Diagram (2/2)

    TH-55AS670A 9.3. Detailed Block Diagram (2/2) JK4703 JK4702 JK4701 HDMI1 HDMI2 HDMI3 MAIN AMP_SLEEP IC8000 PEAKS-LD6 IC4900 [HDMI DECODER/AD (D Chip) AUDIO AMP (A Chip) R(+) SLEEPN R(-) AUDIO L(-) MUTEN L(+) AMP-XRST AUDIO PROCESSOR +15V SUB3.3V Digital Audio Signal...

  • Page 27: Wiring Connection Diagram

    TH-55AS670A 10 Wiring Connection Diagram 10.1. Wire Dressing 1. Do wire dressing follow below spec. (stick PET tape as shown). 2. Rub all tapes evently at least twice. Description Remarks 60mm  6 PET TAPE (0.06*7+0.11*3) 0.74 110mm  3...

  • Page 28: Schematic Diagram

    TH-55AS670A 11 Schematic Diagram Model No. : TH-55AS670A A-Board (1/13)
  • Page 29 Model No. : TH-55AS670A A-Board (2/13)
  • Page 30 Model No. : TH-55AS670A A-Board (3/13)
  • Page 31 Model No. : TH-55AS670A A-Board (4/13)
  • Page 32 Model No. : TH-55AS670A A-Board (5/13)
  • Page 33 Model No. : TH-55AS670A A-Board (6/13)
  • Page 34 Model No. : TH-55AS670A A-Board (7/13)
  • Page 35 Model No. : TH-55AS670A A-Board (8/13)
  • Page 36 Model No. : TH-55AS670A A-Board (9/13)
  • Page 37 Model No. : TH-55AS670A A-Board (10/13)
  • Page 38 Model No. : TH-55AS670A A-Board (11/13)
  • Page 39 Model No. : TH-55AS670A A-Board (12/13)
  • Page 40 Model No. : TH-55AS670A A-Board (13/13)
  • Page 41 Model No. : TH-55AS670A GK-Board...
  • Page 42 Model No. : TH-55AS670A K-Board...
  • Page 43 Model No. : TH-55AS670A P-Board (1/3)
  • Page 44 Model No. : TH-55AS670A P-Board (2/3)
  • Page 45 Model No. : TH-55AS670A P-Board (3/3)

  • Page 46: Printed Circuit Board

    TH-55AS670A 12 Printed Circuit Board Model No. : TH-55AS670A A-Board (Top Component Side)
  • Page 47 Model No. : TH-55AS670A A-Board (Bottom Component Side)
  • Page 48 Model No. : TH-55AS670A GK-Board...
  • Page 49 Model No. : TH-55AS670A K-Board...
  • Page 50 Model No. : TH-55AS670A P-Board (Top Component Side)
  • Page 51 Model No. : TH-55AS670A P-Board (Bottom Component Side)

  • Page 52: Exploded View And Replacement Parts List

    TH-55AS670A 13 Exploded View and Replacement Parts List Model No. : TH-55AS670A Parts Location...
  • Page 53 Model No. : TH-55AS670A Packing Exploded View 1...
  • Page 54 Model No. : TH-55AS670A Packing Exploded View 2...
  • Page 55 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks CAPACITORS C0902 F1G1H220A948 C 22PF, 50V C0903 F1G1H220A948 C 22PF, 50V C0904 F1G1H220A948 C 22PF, 50V C0905 F1G1H220A948 C 22PF, 50V C2009 F1G1H102A946...
  • Page 56 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C5150 F1G1E103A172 C 0.01UF, 50V C5151 F1G1E103A172 C 0.01UF, 50V C5171 F1G1E103A172 C 0.01UF, 50V C5318 F1G1C104A146 C 0.1UF 16V C5319 F1K1V106A010 C 10UF, 25V...
  • Page 57 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7417 F1H1C474A178 C 0.47UF, 16V C7418 F1H1H104B047 C 0.1UF, 50V C7422 F2A1V6810043 C 680UF, 35V C7423 F2A1E222B927 C 2200UF, 25V C7434 F1J1E105A287 C 1UF, 25V...
  • Page 58 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8047 F1H1A475A102 C 4.7UF, 10V C8048 F1H1A475A102 C 4.7UF, 10V C8049 F1G1C104A146 C 0.1UF 16V C8053 F1G1H470A834 C 47PF, 50V C8054 F1G1A105A047 C 1UF 10V...
  • Page 59 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8302 F1G1A105A047 C 1UF 10V C8303 F1G1A105A047 C 1UF 10V C8304 F1G1A105A047 C 1UF 10V C8305 F1G1H100A948 C 10PF, 50V C8306 F1G1H120A948 C 1000PF, 50V...
  • Page 60 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8750 F1G1A105A047 C 1UF 10V C8773 F1G1C104A146 C 0.1UF 16V C8790 F1J1A106A043 C 10UF, 10V C8791 F1J1A106A043 C 10UF, 10V C8903 F1G1C104A146 C 0.1UF 16V...
  • Page 61 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D7413 B0JBSL000046 DIODE D7502 B0JCPE000051 DIODE D7810 B0ACCD000008 DIODE D7811 B0ECKM000053 DIODE D7817 B0JBSL000077 DIODE D8710 B0ACGM000001 DIODE INTEGRATED CIRCUITS IC4900 C1AB00003984 IC5000...
  • Page 62 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks L8002 J0JYC0000686 BEAD CORE L8003 J0JYC0000686 BEAD CORE L8100 G1C1R0M00022 INDUCTOR L8101 G1C3R3MA0464 INDUCTOR L8102 J0JYC0000686 BEAD CORE L8600 J0ZZB0000142 FILTER L8601 J0ZZB0000142...
  • Page 63 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R0954 D0GA101JA039 M 100OHM, J, 1/16W R0961 D0GA272JA023 M 2.7KOHM, J.1/16W R0962 D0GA272JA023 M 2.7KOHM, J.1/16W R0965 D0GA470JA023 M 47 OHM, J,1/16W R0966...
  • Page 64 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R3117 D0GA102JA039 M 1KOHM, J, 1/16W R3118 D0GA102JA039 M 1KOHM, J, 1/16W R3301 D0GA473JA039 M 47KOHM, J,1/16W R4102 D0GAR00J0005 M 0 OHM, 1/16W...
  • Page 65 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R5315 D1BA1402A023 M 14KOHM,F. 1/16 W R5316 D1BA1001A023 M 1 KOHM,F.1/16 W R5318 D1BA2002A023 M 20KOHM ,J, 1/16 R5731 D1BA1200A023 M 120 OHM,F.1/16 W...
  • Page 66 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7410 D0GB153JA065 M 15K OHM J 1/10W R7411 D0GB224JA065 M 220KOHM,J,1/10W R7412 D0GB153JA065 M 15K OHM J 1/10W R7416 D0GD103JA052 M 10KOHM,J,1/8W R7417...
  • Page 67 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7863 D0GB473JA065 M 47KOHM J. 1/10W R7864 D1BD2R40A066 M 2.4OHM ,J, 1/16W R7865 D1BD2R40A066 M 2.4OHM ,J, 1/16W R7866 D1BD2R40A066 M 2.4OHM ,J, 1/16W...
  • Page 68 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8322 D0GA220JA023 M22 OHM, J.1/16 W R8323 D0GA330JA023 M 33 OHM, J,1/16W R8324 D0GA330JA023 M 33 OHM, J,1/16W R8325 D0GA220JA023 M22 OHM, J.1/16 W...
  • Page 69 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8668 D0GA472JA023 M 4.7KOHM, J,1/16W R8670 D1BA2491A023 M 2.49KOHM,F,1/16W R8675 D1H81034A042 M 10KOHM,F,1/16W R8676 D1BB1200A143 M 120OHM ,J, 1/16W R8677 D1BB2000A143 M 200OHM ,J, 1/16...
  • Page 70 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8921 D1H86804A042 NETWORK RESISTER R8922 D0GA680JA023 M 68 OHM, J,1/16W R8923 D0GA680JA023 M 68 OHM, J,1/16W R8924 D0GA220JA023 M22 OHM, J.1/16 W R8925...
  • Page 71 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks PC7302 B3PAA0000674 PHOTO COUPLER PC7303 B3PAA0000674 PHOTO COUPLER RM2800 B3RBB0000018 PHOTO DETECTOR SN2800 B3JB00000219 PHOTO DETECTOR SW2851 EVQ11G05R SWITCH SW2852 EVQ11G05R SWITCH SW2853...
  • Page 72 Model No. : TH-55AS670A Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K1HY05YY0182 WIFI USB CABEL K2CJ2YY00084 AC CORD L0EYAA000056 SPEAKER L5EDDYY00568 LCD PANEL N2QAYB000933 REMOTE TRANSMITTER N2QBYA000004 TOUCH REMOTE TRANSMITTER N5HBZ0000109 WIFI MODULE...

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