Table of Contents
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TC-L32C20P
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
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
CONTENTS
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
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