Panasonic TC15LT1 - 15"WIDE LCD TV Service Manual Download Page 54

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TC-15LT1

Summary of Contents for TC15LT1 - 15"WIDE LCD TV

Page 1: ...CR2025 x 1 2000 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TC 15LT1 FL1 Chassis Operating Conditions Temperature 41 F 95 F 5 35 C Humidity 5 90 RH non condensing Connection Terminals Video In VIDEO RCA PIN Type x 1 1 0Vp p S VIDEO Mini DIN 4 pin Y 1Vp p 75Ω C 0 286Vp p 75Ω AUDIO L R RCA PIN Type x 2 1 0Vp p COMPONENT IN VID...

Page 2: ... 19 6 6 Video input sub color adjustment 20 7 Conductor Views 21 7 1 A Board 21 7 2 DG Board 24 7 3 B H1 H2 K P1 and V Board 26 8 Block and Schematic Diagrams 29 8 1 Schematic Diagram Notes 29 8 2 Interconnection Schematic Diagrams 30 8 3 Power Block Diagrams 31 8 4 Signal Block Diagrams 33 8 5 DG Board Block Diagram 35 8 6 H1 H2 and A Board 1 8 Schematic Diagrams 36 8 7 A Board 2 8 Schematic Diag...

Page 3: ...led 3 After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards 2 Prevention of Electro Static 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 ...

Page 4: ...recautions 8 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise hamless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity ESD sufficient to damage an ES device 4 TC 15LT1 ...

Page 5: ...place IC2301 Main PCB H30 NG in red No video output Black screen No audio output Replace IC4003 Main PCB H32 No OSD Horizontal black and white stripes on screen with enhanced back light Replace digital module Digital module H36 No OSD White lines on black screen No synchronization Replace digital module Digital module H45 NG in red No video output but OSD appears and audio output is available Repl...

Page 6: ...4 Chasis Board Layout 6 TC 15LT1 ...

Page 7: ...5 Servicing method 5 1 Removing tilt base 7 TC 15LT1 ...

Page 8: ...5 2 Removing rear panel 5 3 Removing speaker unit 8 TC 15LT1 ...

Page 9: ...5 4 Removing front panel 5 5 Removing LCD panel 9 TC 15LT1 ...

Page 10: ...5 6 Removing main A PCB 10 TC 15LT1 ...

Page 11: ...5 7 Removing B PCB with tuner assembly 11 TC 15LT1 ...

Page 12: ...5 8 Removing digital module 5 9 Removing H1 PCB and H2 PCB 12 TC 15LT1 ...

Page 13: ...5 10 Removing PI PCB 5 11 Removing K PCB 5 12 Pull out the flexible cable straight to the coupler 13 TC 15LT1 ...

Page 14: ...5 13 Removing back light 5 14 Main PCB servicing Follow the procedures described below when checking voltage on rear side of the main PCB 14 TC 15LT1 ...

Page 15: ...ve been exchanged 6 2 1 How to enter into service adjustment mode While pressing VOLUME button of the main unit press DISPLAY button of the remote control unit three times in a row within 2 seconds or Adjust VOLUME zero and set the CATV channel to 124ch and set SLEEP Button turn on the sleep Then VOLUME DOWN button on the TV set 15 TC 15LT1 ...

Page 16: ...y Initial screen of the service adjustment mode 6 2 3 Contents of service adjustment mode The adjustment items comprise of the following main items and sub items The adjustment is shown as a hexadecimal number 16 TC 15LT1 ...

Page 17: ...6 2 4 How to terminate service adjustment mode Press POWER button of the remote control unit By switching off the power the adjusted value is written into the nonvolatile memory 17 TC 15LT1 ...

Page 18: ...and value 1 Select the main adjustment and then YGAIN 2 Using VOL and VOL buttons of the remote control unit adjust the MAX to become D4 3 Measure the waveform amplitude from pedestal to white level at TS7 Reference 0 73 Vp p 4 Select the main adjustment and then B Y 5 Using VOL and VOL buttons of the remote control unit adjust the amplitude at TS8 to become identical to the value measured in 3 6 ...

Page 19: ...d VOL buttons of the remote control unit adjust the MAX to become D4 3 Measure the waveform amplitude from pedestal to white level at TS7 Reference 0 73 Vp p 4 Select the main adjustment and then B Y 5 Using VOL and VOL buttons of the remote control unit adjust the amplitude at TS8 to become identical to the value measured in 3 6 Select the main adjustment and then R Y 7 Using VOL and VOL buttons ...

Page 20: ...ub color adjustment 6 6 1 Preparation Connect S video signal generator to video input S2 terminal Video adjustment PICTURE ADJUST NORMAL PICTURE MENU DYNAMIC LCD AI OFF Enter into the service adjustment mode 6 6 2 Input signal 100 color bar signal 6 6 3 Measuring equipment and connection point Oscilloscope Y GAIN TS7 TS10 B Y TS8 TS10 R Y TS9 TS10 6 6 4 Adjustment method and value 1 Select the mai...

Page 21: ...7 Conductor Views 7 1 A Board A B C D E F G 1 2 3 4 5 6 A BOARD FOIL SIDE TNPH0436AA TC 15LT1 21 ...

Page 22: ... 2 TP2336 E 5 Q1009 C 5 TP820 E 2 TP2337 E 4 Q1010 D 4 TP821 E 2 TP2340 E 5 Q1011 D 3 TP822 E 2 TP2341 E 6 Q1014 D 3 TP823 E 3 TP2342 E 6 Q1017 B 2 TP824 E 4 TP2343 E 5 Q1078 C 5 TP825 E 3 Q1079 C 4 TP826 E 2 Q1080 C 4 TP830 F 1 Q2307 F 3 TP831 E 1 Q2311 F 3 TP832 E 1 ADDRESS INFORMATION IC TRANSISTER TP A BOARD FOIL SIDE PARTS LOCATION IC804 C 2 Q1001 E 3 IC805 C 3 Q1002 E 3 IC806 C 2 Q1016 F 2 I...

Page 23: ...A B C D E F G 1 2 3 4 5 6 A BOARD COMPONENT SIDE TNPH0436AA TC 15LT1 23 ...

Page 24: ...7 2 DG Board A B C D E F G H I 1 2 3 4 5 6 DG BOARD FOIL SIDE TXN DG1AK01 DG BOARD COMPONENT SIDE TXN DG1AK01 TC 15LT1 24 ...

Page 25: ...012 B 5 IC9002 G 2 IC9009 D 5 IC9015 B 2 IC9024 C 1 Q9004 F 3 Q9012 H 4 TP9 B 3 TP9022 B 1 IC9003 D 4 IC9010 D 5 IC9017 B 2 IC9025 G 1 Q9007 F 3 Q9013 H 3 TP4 D 2 TP10 A 3 IC9005 G 3 IC9011 F 5 IC9018 C 1 Q9008 F 3 Q9015 A 3 TP5 D 2 TP11 D 2 IC9006 H 3 IC9012 B 5 IC9019 C 2 Q9001 D 2 Q9009 D 3 Q9016 B 3 TP6 D 2 TP9005 C 4 ADDRESS INFORMATION TP DG BOARD IC TRANSISTER DG TC 15LT1 25 ...

Page 26: ... B C D E F G H I 1 2 3 4 5 6 V BOARD FOIL SIDE TNPA2117AA B BOARD FOIL SIDE TNPA2116AA H1 BOARD FOIL SIDE TNPA2119AA H2 BOARD FOIL SIDE TNPA2120AA P1 BOARD FOIL SIDE TNPA2115AA K BOARD FOIL SIDE TNPA2118AA K P1 B H1 V H2 TC 15LT1 26 ...

Page 27: ... BOARD COMPONENT SIDE TNPA2117AA B BOARD COMPONENT SIDE TNPA2116AA H1 BOARD COMPONENT SIDE TNPA2119AA H2 BOARD COMPONENT SIDE TNPA2120AA P1 BOARD COMPONENT SIDE TNPA2115AA K BOARD COMPONENT SIDE TNPA2118AA K P1 B H1 V H2 TC 15LT1 27 ...

Page 28: ...TC 15LT1 28 ...

Page 29: ...8 Block and Schematic Diagrams 8 1 Schematic Diagram Notes TC 15LT1 29 ...

Page 30: ...8 2 Interconnection Schematic Diagrams TC 15LT1 30 ...

Page 31: ...8 3 Power Block Diagrams TC 15LT1 31 ...

Page 32: ...TC 15LT1 32 ...

Page 33: ...8 4 Signal Block Diagrams TC 15LT1 33 ...

Page 34: ...TC 15LT1 34 ...

Page 35: ...8 5 DG Board Block Diagram TC 15LT1 35 ...

Page 36: ...8 6 H1 H2 and A Board 1 8 Schematic Diagrams TC 15LT1 36 ...

Page 37: ...8 7 A Board 2 8 Schematic Diagrams TC 15LT1 37 ...

Page 38: ...8 8 A Board 3 8 Schematic Diagrams TC 15LT1 38 ...

Page 39: ...8 9 B and A Board 4 8 Schematic Diagrams TC 15LT1 39 ...

Page 40: ...8 10 A Board 5 8 Schematic Diagrams TC 15LT1 40 ...

Page 41: ...8 11 A Board 6 8 Schematic Diagrams TC 15LT1 41 ...

Page 42: ...8 12 K and A Board 7 8 Schematic Diagrams TC 15LT1 42 ...

Page 43: ...8 13 V and A Board 8 8 Schematic Diagrams TC 15LT1 43 ...

Page 44: ...8 14 DG Board 1 3 Schematic Diagrams TC 15LT1 44 ...

Page 45: ...8 15 DG Board 2 3 Schematic Diagrams TC 15LT1 45 ...

Page 46: ...8 16 DG Board 3 3 Schematic Diagrams TC 15LT1 46 ...

Page 47: ...8 17 P1 Board Schematic Diagrams TC 15LT1 47 ...

Page 48: ...TC 15LT1 48 ...

Page 49: ...9 Parts Location Mechanical Replacement Parts List 9 1 Parts Location TC 15LT1 49 ...

Page 50: ... 1 5 1 1 5 5 1 1 4 104 5 2 3 5 3 0 5 3 5 3 1 1 1 4 0 2 3 6 2 7 7 8 0 9 7 0 9 7 0 3 1 9 5 4 5 1 3 14 3 12 0 3 1 3 3 9 3 5 0 3 3 109 3 1 3 1 2 3 1 0 1 3 0 2 1 3 0 2 3 50 2 3 0 3 1 1 3 9 3 Packing Exploded View 9 2 Mechanical Replacement Parts List TC 15LT1 50 ...

Page 51: ...10 Replacement Parts List 10 1 Replacement Parts List Notes 51 TC 15LT1 ...

Page 52: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 10 0 0 0 0 0 0 1 0 10 0 0 0 1 0 10 0 0 0 1 0 10 0 0 3 0 0 0 0 0 1 0 10 0 0 0 0 0 0 0 0 0 0 0 0 1 0 10 1 0 10 0 1 0 10 0 0 1 0 10 1 0 10 3 1 0 10 0 0 0 0 0 0 0 0 1 0 10 0 1 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 10 2 Electrical Replacement Parts List Notes 52 TC 15LT1 ...

Page 53: ... 0 0 0 0 4 1 0 0 1 0 10 0 0 0 0 1 0 10 0 0 10 0 0 0 10 1 0 10 0 0 0 1 0 10 0 1 0 10 0 0 0 0 1 0 10 1 0 10 0 0 1 0 10 1 0 10 0 0 0 0 0 1 0 10 0 0 0 0 0 0 0 1 0 10 0 0 0 0 0 0 1 0 10 1 0 10 0 0 4 0 0 0 0 0 4 0 0 0 0 0 0 0 4 0 0 0 4 0 0 0 4 0 0 0 1 0 10 0 0 4 0 0 0 3 1 0 10 0 0 0 0 0 4 0 0 0 1 0 10 0 0 0 0 4 0 0 0 0 1 0 10 1 0 10 0 0 0 4 0 0 0 0 0 4 0 1 0 10 0 0 53 TC 15LT1 ...

Page 54: ...0 0 0 1 0 10 3 0 0 1 0 10 3 0 0 0 0 0 0 0 3 0 0 0 1 0 10 0 0 0 0 0 1 0 10 0 1 0 10 3 0 1 1 1 0 10 1 1 1 0 10 1 1 0 0 1 0 10 0 0 4 0 1 0 10 1 1 1 0 10 0 0 0 1 0 10 4 0 3 1 0 10 4 0 1 0 10 1 0 10 0 1 0 10 1 0 10 3 1 0 10 1 0 10 3 1 0 10 3 1 0 10 0 0 0 1 0 10 0 0 0 0 0 1 0 10 3 1 0 10 0 0 0 1 0 10 5 0 0 0 0 0 1 54 TC 15LT1 ...

Page 55: ...1 1 1 5 1 0 1 1 1 1 3 1 1 3 1 1 0 6 3 6 2 11 0 11 0 11 0 11 11 0 11 0 11 6 3 7 1 1 7 1 1 3 6 6 8 6 9 1 1 6 7 6 1 1 6 3 5 6 8 6 6 9 6 8 9 0 1 5 5 6 8 6 6 9 1 1 6 5 6 8 6 6 9 1 6 5 6 6 4 0 0 5 6 4 0 5 11 0 11 11 0 5 11 55 TC 15LT1 ...

Page 56: ...7 6 6 7 6 6 6 7 4 6 6 7 6 6 7 6 6 7 0 6 6 6 6 7 6 6 7 6 6 6 7 6 6 6 6 7 6 6 6 6 7 6 6 6 6 7 3 6 6 6 6 7 6 3 6 6 6 7 6 6 6 6 7 3 6 6 6 6 7 6 6 6 6 7 6 6 6 6 7 6 6 6 6 7 6 6 6 6 7 0 6 6 6 6 7 6 6 7 6 6 6 6 7 0 6 6 6 6 7 3 6 6 6 6 7 6 6 6 6 7 6 6 6 6 7 6 6 6 6 7 6 3 6 6 7 6 6 6 6 7 6 3 6 6 7 0 6 6 6 6 7 6 6 6 6 7 6 6 6 7 3 6 6 6 6 7 6 6 6 6 7 0 6 6 6 6 7 6 6 6 6 7 3 6 6 6 6 7 6 6 4 0 0 5 56 TC 15LT1 ...

Page 57: ... 0 5 4 0 0 5 0 4 0 0 5 0 4 0 0 5 7 0 0 5 4 0 0 5 4 0 0 5 0 5 0 5 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 3 4 0 0 5 4 0 0 5 0 4 0 0 5 0 5 0 5 4 0 0 5 0 0 5 0 5 0 5 0 4 0 0 5 0 5 6 0 0 5 0 4 0 0 5 4 0 0 5 4 0 0 5 0 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 0 5 0 5 4 0 0 5 4 0 0 5 4 0 0 5 3 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 0 5 0 4 0 0 5 4 0 0 5 4 0 0 5...

Page 58: ...3 4 0 5 0 4 0 0 5 0 5 0 5 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 6 0 0 5 4 0 0 5 0 5 4 0 0 5 0 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 0 4 0 0 5 4 0 0 5 4 0 0 5 0 4 0 0 5 4 0 0 5 0 4 0 0 5 0 6 0 0 5 4 0 0 5 4 0 0 5 0 4 0 0 5 4 0 0 5 6 0 0 5 4 0 0 5 4 0 0 5 0 5 4 0 0 5 4 0 0 5 4 0 0 5 0 4 0 0 5 4 0 0 5 0 4 0 0 5 3 0 5 0 4 0 0 5 0 0 5 0 4 0 0 5 3 4 0 0 5 0 4 0 0 5 4 0 0 5 0 4 0 0 5 0 4 0 0 5 4 0 0 5 4 0 0 5 0 4 0 0 ...

Page 59: ...5 4 0 0 5 4 0 0 5 4 0 5 4 0 0 5 4 0 0 5 4 0 0 5 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 5 4 0 0 5 0 4 0 0 5 3 4 0 0 5 4 0 0 5 0 4 0 0 5 3 4 0 0 5 0 4 0 0 5 0 4 0 0 5 3 4 0 5 0 4 0 0 5 4 0 0 5 4 0 0 5 3 4 0 0 5 3 4 0 0 5 4 0 0 5 0 4 0 5 4 0 0 5 4 0 0 5 4 0 0 5 3 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 5 4 0 0 5 4 0 5 4 0 0 5 4 0 0 5 4 0 5 4 0 0 5 4 0 0 5 4 0 5 4 0 0 5 4 0 0 5 0 4 0 5 4 0 5 4 0 ...

Page 60: ...0 5 4 0 0 5 4 0 5 4 0 0 5 4 0 5 0 5 0 4 0 5 4 0 0 5 4 0 5 0 4 0 5 4 0 0 5 4 0 5 4 0 0 5 0 4 0 5 4 0 5 0 4 0 0 5 4 0 5 4 0 0 5 4 0 0 5 4 0 0 5 4 0 0 5 3 4 0 5 3 4 0 5 0 6 4 6 0 6 6 6 3 6 6 6 3 6 6 6 3 6 6 65 3 7 65 65 6 65 6 6 66 46 66 46 66 46 60 TC 15LT1 ...

Page 61: ...11 Dimensions 61 TC 15LT1 ...

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