Panasonic TH-50AS670S Service Manual
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Panasonic TH-50AS670S Service Manual

Panasonic TH-50AS670S 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 Mode ----------------------- 9
5.1.1. Purpose ------------------------------------------------- 9
5.1.2. Key command ----------------------------------------- 9
5.1.3. How to exit---------------------------------------------- 9
5.1.4. Contents of adjustment mode --------------------- 9
5.1.5. Display of SOS History -----------------------------10
5.1.6. Exit-------------------------------------------------------10
Model No.
Chassis:
Destination:
PAGE
5.1.7. 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. Self-check indication only ------------------------- 12
shipment setting ------------------------------------- 12
6.1.4. Exit ------------------------------------------------------ 12
6.1.5. Screen display --------------------------------------- 12
6.2. Power LED Blinking timing chart --------------------- 13
6.3. Method of detecting SOS ------------------------------ 13
6.4. LCD Panel test mode ----------------------------------- 14
6.5. No Power--------------------------------------------------- 14
7.1. SP Bracket Assy ----------------------------------------- 15
7.3. LED Panel Assembly ----------------------------------- 17
7.4. Metal Bracket Fixing ------------------------------------ 18
7.5. A-Print Assy ----------------------------------------------- 19
7.6. K-Print and GK Print Assy ----------------------------- 20
ORDER NO. MTV1401295CE
TH-50AS670S
LA51
SINGAPORE
© Panasonic Corporation 2014.
LED TV
PAGE

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Summary of Contents for Panasonic TH-50AS670S

  • Page 1: Table Of Contents

    7.3. LED Panel Assembly ----------------------------------- 17 5.1.4. Contents of adjustment mode --------------------- 9 7.4. Metal Bracket Fixing ------------------------------------ 18 7.5. A-Print Assy ----------------------------------------------- 19 5.1.5. Display of SOS History -----------------------------10 5.1.6. Exit-------------------------------------------------------10 7.6. K-Print and GK Print Assy ----------------------------- 20 © Panasonic Corporation 2014.
  • Page 2 TH-50AS670S 7.7. Pedestal ---------------------------------------------------- 21 7.8. Back Cover Assy ----------------------------------------- 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. Main Block Diagram ------------------------------------- 24 9.2.

  • Page 3: Safety Precautions

    TH-50AS670S 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-50AS670S 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-50AS670S 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-50AS670S 3 Service Navigation 3.1. Service Hint Board Name Main Device Remarks A BOARD Tuner, DVB-T2 De-Mod, ISDB De-Mod, LD6, LNB, GCX(Only 1103) Repairable P BOARD Power Supply, LED Driver Repairable K BOARD Remote, LED, Luminance Sensor Repairable GK BOARD...

  • Page 7: Specifications

    TH-50AS670S 4 Specifications ■ TV Dimensions (W  H  D) 1 130 mm  703 mm  214 mm (With Pedestal) 1 130 mm  658 mm  54 mm (TV only) Mass 15.5 Net (With Pedestal) 14.5 Net (TV only)
  • Page 8 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 9: Service Mode

    TH-50AS670S 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 10: Display Of Sos History

    TH-50AS670S 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 11: Hotel Mode

    TH-50AS670S 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 12: Troubleshooting Guide

    TH-50AS670S 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 13: Power Led Blinking Timing Chart

    TH-50AS670S 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 14: Lcd Panel Test Mode

    TH-50AS670S 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 15: Disassembly And Assembly Instructions

    TH-50AS670S 7 Disassembly and Assembly Instructions 7.1. SP Bracket Assy 1. Fix HEAT SINK to panel. 2. Install P-board to panel. Description Remarks 001 BARRIER 002 SCREW (P7) 003 SCREW (HEAT SINK7) 5 - 7Kgfcm 004 HEAT SINK REAR 005 A-THERMAL CONDUCTIVE SHEET(DDR REAR)

  • Page 16: Lcd Panel Fixing & Handling Method

    TH-50AS670S 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 17: Led Panel Assembly

    TH-50AS670S 7.3. LED Panel Assembly 1. Install VESA METAL to panel. 2. Install WIFI METAL to panel. 3. Install BT bracket to panel. Description Remarks 001 WIFI METAL 002 VESA METAL 003 BLUETOOTH BRACKET 004 SCREW (VESA4/WF3/BT1) 5 - 7Kgfcm...

  • Page 18: Metal Bracket Fixing

    TH-50AS670S 7.4. Metal Bracket Fixing 1. Install SP bracket to panel. 2. Stick FELT to BTM AV bracket. 3. Install SP unit to SP bracket. Description Remarks 001 SP BRACKET 002 SCREW (SP4) 5 - 7Kgfcm 003 SPEAKER UNIT 004 FELT (0.55  170  10) 005 FELT (0.45 ...

  • Page 19: A-Print Assy

    TH-50AS670S 7.5. A-Print Assy 1. Fix SIDE AV BRACKET to A-print. 2. Install P-board to panel. 3. Stick GASKET to under HEAT SINK. 4. Install BT bracket. Description Remarks 001 WIFI USB CABLE 002 SCREW (WF2) 5 - 7Kgfcm 003 BT MODULE...

  • Page 20: K-Print And Gk Print Assy

    TH-50AS670S 7.6. K-Print and GK Print Assy 1. Install KEY BUTTON bracket. 2. Stick FELT to KEY BUTTON bracket. 3. Fix LED panel to LED panel case.

  • Page 21: Pedestal

    TH-50AS670S 7.7. Pedestal Description METAL FRAME NECK BASE-R NECK BASE-L RUBBER FOOT RUBBER FOOT METAL FRAME SHEET-R METAL FRAME SHEET-L M5  12_SCREW BAG (PEDESTAL)

  • Page 22: Back Cover Assy

    TH-50AS670S 7.8. Back Cover Assy Stick all label b/cover as picture below. Description Remarks 001 SCREW (BC8/SP4/AV1/CTRL1) 5 - 7Kgfcm 002 SCREW (VESA4/BC4) 5 - 7Kgfcm 003 MODEL NAME PLATE 004 DONGLE COVER...

  • Page 23: Measurements And Adjustments

    TH-50AS670S 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 Target Board Suffix PNL12V TP4000, TP4001 12V ±...

  • Page 24: Block Diagram

    TH-50AS670S 9 Block Diagram 9.1. Main Block Diagram MAIN PEAKS-LD6 (MICON + VIDEO PROCESSOR+AUDIO PROCESSOR + STM) AUDIO_OUT SPEAKER(L) ALIF_OUT Analog Signal AUDIO SOUND_SOS_DET TUNER DLIF_OUT TS_Parallel SPEAKER(R) AUDIO PROCESSOR SUB3.3V TU_3.3V DMD1.2V TU_1.8V ARC_OUT DIGITAL_OUT DIGITAL ARC_OUT [HDMI DECODER/AD...

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

    TH-50AS670S 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(H) IC7503 T7202(S,X) Q7301.02 D7412 PA7406 STB5V D7102(S,X) D7110(H) POWER RECTIFIER D7413 IC5704 Q7201 +1.8V D7403...

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

    TH-50AS670S 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 SUB3.3V +15V Digital Audio Signal...

  • Page 27: Wiring Connection Diagram

    TH-50AS670S 10 Wiring Connection Diagram 10.1. Wire Dressing 1 1. Stick GASKET to A-board. 2. Install BTM METAL to panel. Description Remarks 001 BOTTOM METAL 002 SCREW (METAL4) 5 - 7Kgfcm 003 GASKET...

  • Page 28: Wire Dressing

    TH-50AS670S 10.2. Wire Dressing 2 1. Do wire dressing to wire cable. 2. Stick Pet Tape according to picture. Description 001 PET TAPE (0.06*7+0.11*4) 0.86 002 AL PET TAPE 003 LVDS FFC (51PIN) 004 LVDS FFC (41PIN)

  • Page 29: Schematic Diagram

    TH-50AS670S 11 Schematic Diagram Model No. : TH-50AS670S A-Board (1/13)
  • Page 30 Model No. : TH-50AS670S A-Board (2/13)
  • Page 31 Model No. : TH-50AS670S A-Board (3/13)
  • Page 32 Model No. : TH-50AS670S A-Board (4/13)
  • Page 33 Model No. : TH-50AS670S A-Board (5/13)
  • Page 34 Model No. : TH-50AS670S A-Board (6/13)
  • Page 35 Model No. : TH-50AS670S A-Board (7/13)
  • Page 36 Model No. : TH-50AS670S A-Board (8/13)
  • Page 37 Model No. : TH-50AS670S A-Board (9/13)
  • Page 38 Model No. : TH-50AS670S A-Board (10/13)
  • Page 39 Model No. : TH-50AS670S A-Board (11/13)
  • Page 40 Model No. : TH-50AS670S A-Board (12/13)
  • Page 41 Model No. : TH-50AS670S A-Board (13/13)
  • Page 42 Model No. : TH-50AS670S GK-Board...
  • Page 43 Model No. : TH-50AS670S K-Board...
  • Page 44 Model No. : TH-50AS670S P-Board (1/3)
  • Page 45 Model No. : TH-50AS670S P-Board (2/3)
  • Page 46 Model No. : TH-50AS670S P-Board (3/3)

  • Page 47: Printed Circuit Board

    TH-50AS670S 12 Printed Circuit Board Model No. : TH-50AS670S A-Board (Top Component Side)
  • Page 48 Model No. : TH-50AS670S A-Board (Bottom Component Side)
  • Page 49 Model No. : TH-50AS670S GK-Board...
  • Page 50 Model No. : TH-50AS670S K-Board...
  • Page 51 Model No. : TH-50AS670S P-Board (Top Component Side)
  • Page 52 Model No. : TH-50AS670S P-Board (Bottom Component Side)

  • Page 53: Exploded View And Replacement Parts List

    TH-50AS670S 13 Exploded View and Replacement Parts List Model No. : TH-50AS670S Parts Location...
  • Page 54 Model No. : TH-50AS670S Packing Exploded View 1...
  • Page 55 Model No. : TH-50AS670S Packing Exploded View 2...
  • Page 56 Model No. : TH-50AS670S 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 57 Model No. : TH-50AS670S 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 58 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C7203 F1H1H104B047 C 0.1UF, 50V C7204 F1H1H104B047 C 0.1UF, 50V C7205 F1H1H102B052 C 1000PF, 50V C7206 F1H1H104B047 C 0.1UF, 50V C7207 F1A3A471A060 C 470PF 1KV...
  • Page 59 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8006 F1G1H151A834 C 150PF, 50V C8007 F1G1H151A834 C 150PF, 50V C8008 F1G1A105A047 C 1UF 10V C8012 F1G1A105A047 C 1UF 10V C8013 F1G1A105A047 C 1UF 10V...
  • Page 60 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8205 F1G1C104A146 C 0.1UF 16V C8206 F1G1C104A146 C 0.1UF 16V C8207 F1J1A106A043 C 10UF, 10V C8210 F1G1C104A146 C 0.1UF 16V C8212 F1G1C104A146 C 0.1UF 16V...
  • Page 61 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks C8652 F1G1C104A146 C 0.1UF 16V C8655 F1G1C104A146 C 0.1UF 16V C8658 F1J1A106A043 C 10UF, 10V C8659 F1G1C104A146 C 0.1UF 16V C8674 F1G1C104A146 C 0.1UF 16V...
  • Page 62 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks D5173 DA2J10100L DIODE D5178 DZ2J100M0L DIODE D5180 DZ2J033M0L DIODE D5188 B0ADCK000001 DIODE D7101 ERZE08C621CD SURGE ABSORBER D7102 B0EBNR000048 DIODE D7104 B0AAMT000014 DIODE D7105...
  • Page 63 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks IC8901 C3EBGY000057 IC8903 TVRT599AC ROM VERSION IC (C3FBYY000050) COIL L2200 J0JYC0000464 BEAD CORE L4006 J0ZZB0000147 COIL L4007 J0ZZB0000147 COIL L4008 J0ZZB0000147 COIL L4009...
  • Page 64 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Q7402 B1CHRE000015 TRANSISTOR Q7403 B1CHRE000015 TRANSISTOR Q7404 B1CHRE000015 TRANSISTOR Q7406 B1CFJD000007 TRANSISTOR Q7407 B1ADCE000022 TRANSISTOR Q7800 B1ABCF000231 TRANSISTOR Q7801 B1CERM000047 TRANSISTOR Q7802 B1BDBJ000001...
  • Page 65 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R2161 D0GA103JA039 M 10KOHM,F,1/16W R2230 D0GA102JA039 M 1KOHM, J, 1/16W R2240 D0GA103JA039 M 10KOHM,F,1/16W R2263 D0GA470JA023 M 47 OHM, J,1/16W R2267 D0GAR00J0005 M 0 OHM, 1/16W...
  • Page 66 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R4755 D0GA102JA039 M 1KOHM, J, 1/16W R4757 D0GA473JA039 M 47KOHM, J,1/16W R4758 D0GA473JA039 M 47KOHM, J,1/16W R4759 D0GA680JA023 M 68 OHM, J,1/16W R4760...
  • Page 67 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R6837 D0GA680JA023 M 68 OHM, J,1/16W R6843 D0GBR00J0004 M 0 OHM J 1/10W R6863 D0GAR00J0005 M 0 OHM, 1/16W R6895 D0GA332JA023 M 3.3KOHM, J,1/16W...
  • Page 68 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7406 D0GB332ZA038 M 3.3KOHM ,F, 1/16W R7407 D0GB223JA065 M 22KOHM,J,1/10W R7408 D1BB1742A073 M 17.4KOHM ,J, 1/16W R7409 D0GB104JA065 M 100KOHM J 1/10W R7410...
  • Page 69 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R7857 D1BB1403A073 M 140 KOHM,F.1/16 W R7858 D0GB473JA065 M 47KOHM J. 1/10W R7861 D0GB104JA065 M 100KOHM J 1/10W R7862 D1BB2433A073 M 243KOHM ,J, 1/16W...
  • Page 70 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8316 D1HY4704A012 NETWORK RESISTER R8317 D1HY4704A012 NETWORK RESISTER R8320 D0GA330JA023 M 33 OHM, J,1/16W R8321 D0GA330JA023 M 33 OHM, J,1/16W R8322 D0GA220JA023 M22 OHM, J.1/16 W...
  • Page 71 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8662 D0GA680JA023 M 68 OHM, J,1/16W R8663 D0GA680JA023 M 68 OHM, J,1/16W R8664 D0GA680JA023 M 68 OHM, J,1/16W R8665 D0GA680JA023 M 68 OHM, J,1/16W...
  • Page 72 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks R8910 D0GA103JA039 M 10KOHM,F,1/16W R8911 D0GA103JA039 M 10KOHM,F,1/16W R8912 D0GA103JA039 M 10KOHM,F,1/16W R8913 D0GA103JA039 M 10KOHM,F,1/16W R8919 D0GA103JA039 M 10KOHM,F,1/16W R8920 D1H86804A042 NETWORK RESISTER...
  • Page 73 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks K1KY03BA0402 CONNECTOR PA2002 K5H4022A0031 FUSE PA5703 K5H1022A0031 FUSE PA7403 K5G103AA0009 FUSE PA7406 ERBRE5R00V FUSE RESISTOR PA8754 K5H4022A0031 FUSE PC7301 B3PAA0000674 PHOTO COUPLER PC7302...
  • Page 74 Model No. : TH-50AS670S Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks Exploded View K1HY05YY0182 WIFI USB CABEL K2CQ2YY00107 AC CORD L0EYAA000056 SPEAKER L5EDDYY00569 LCD PANEL N2QAYB000933 REMOTE TRANSMITTER N2QBYA000004 TOUCH REMOTE TRANSMITTER N5HBZ0000109 WIFI MODULE...

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