Panasonic TC-L32C20P, Service Manual

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2
TC-L32C20P
CONTENTS
1 Safety Precautions ............................................................................... 3
1.1. General Guidelines
........................................................................... 3
1.1.1. Leakage Current Cold Check
........................................................ 3
1.1.2. Leakage Current Hot Check (See Figure1.)
.................................. 3
2 Warning
................................................................................................ 4
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices
.............................................. 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. Contents of adjustment mode
........................................................ 8
5.1.2. How to exit
..................................................................................... 8
5.2. SRV-TOOL ........................................................................................ 9
5.2.1. How to access
............................................................................... 9
5.2.2. Display of SOS History
.................................................................. 9
5.2.3. POWER ON TIME/COUNT
........................................................... 9
5.2.4. Exit
................................................................................................. 9
5.3. Service Mode Adjustment
................................................................. 10
5.3.1. Self Check Mode
........................................................................... 10
5.3.2. Hotel Mode Adjustment
................................................................. 10
5.3.3. 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. Exit
................................................................................................. 11
6.1.3. Screen display
............................................................................... 11
6.1.4. Check Point ................................................................................... 11
6.2. Power LED Blinking timing chart
...................................................... 12
6.3. No Power
.......................................................................................... 12
7 Disassembly and Assembly Instructions
.............................................. 13
7.1. AC Cord Dressing
............................................................................. 13
7.2. AC Cord Installation
.......................................................................... 14
7.3. Control Panel Assembly & Clamper Installation
............................... 15
7.4. Side AV Preparation & Installation
.................................................... 16
7.5. Speaker Preparation & Installation
................................................... 17
7.6. LCD Panel Assembly Installation
...................................................... 18
7.7. LED Panel Installation ...................................................................... 19
7.8. Felt Sticking at LVDS Wire
............................................................... 20
7.9. LCD Bracket and MTG Installation
.................................................. 21
7.10. Pedestal Assembly
......................................................................... 22
8 Measurements and Adjustments
.......................................................... 24
8.1. Voltage chart of A-board
................................................................... 24
8.2. Voltage chart of P-board
................................................................... 24
9 Block Diagram
...................................................................................... 25
9.1. Main Block Diagram
......................................................................... 25
10 Wiring Connection Diagram
................................................................ 26
11 Schematic Diagram
............................................................................ 27
11.1. Schematic Diagram Notes
.............................................................. 27
11.2. A Board
........................................................................................... 28
11.2.1. A Board - Sheet : 002 (1 / 3)
........................................................ 28
11.2.4. A Board - Sheet : 010 (1 / 3)
........................................................ 31
11.2.7. A Board - Sheet : 011 (1 / 3)
........................................................ 34
11.2.10. A Board - Sheet : 012 (1 / 3)
...................................................... 37
11.2.13. A Board - Sheet : 020 (1 / 3)
...................................................... 40
11.2.16. A Board - Sheet : 031 (1 / 3)
...................................................... 43
11.2.19. A Board - Sheet : 033 (1 / 2)
...................................................... 46
11.2.21. A Board - Sheet : 040 (1 / 5)
...................................................... 48
11.2.26. A Board - Sheet : 050 (1 / 2)
...................................................... 53
11.2.28. A Board - Sheet : 060 (1 / 2)
...................................................... 55
11.2.30. A Board - Sheet : 061 (1 / 1)
...................................................... 57
11.2.31. A Board - Sheet : 090 (1 / 3)
...................................................... 58
11.2.34. A Board - Sheet : 201 (1 / 3)
...................................................... 61
11.2.37. A Board - Sheet : 300 (1 / 4)
...................................................... 64
11.2.41. A Board - Sheet : 700 (1 / 2)
...................................................... 68
11.2.43. A Board - Sheet : 701 (1 / 2)
...................................................... 70
11.3. K Board
........................................................................................... 72
11.4. P Board
........................................................................................... 74
11.5. V Board
........................................................................................... 77
12 Printed Circuit Board
.......................................................................... 80
12.1. A-Board
........................................................................................... 80
12.2. A-Board
........................................................................................... 81
12.3. P-Board
.......................................................................................... 82
12.4. P-Board
.......................................................................................... 83
13 Exploded View and Replacement Parts List
....................................... 84
13.1. Exploded View and Mechanical Replacement Parts List
............... 84
13.2. Electrical Replacement Parts List
................................................... 84
13.2.1. Replacement Parts List Notes
..................................................... 84
13.2.2. Mechanical Parts Location
.......................................................... 85
13.2.3. Mechanical Replacement Parts List
............................................ 85
13.2.4. Assembled Boards
....................................................................... 85
13.2.5 Packing Exploded View 1
............................................................. 86
13.2.6. Packing Exploded View 2
............................................................ 87
13.2.7. Electrical Replacement Parts List
................................................ 88