Panasonic TX-22LT2F Service Manual

22" Diagonal LCD TV 1
Specifications 1
1. Safety Precautions 3
1.1. General Guidelines 3
1.2. Touch-Current Check 3
2. Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 4
3. About lead free solder (PbF) 5
4. Self Check 7
5. Chasis Board Layout 8
6. Servicing method 8
6.1. Removing tilt base 9
6.2. Removing rear panel 9
6.3. Removing speaker unit 9
6.4. Removing chassis 10
6.5. Removing A-Board 11
6.6. Removing B-Board (with tuner assembly) 13
6.7. Removing DG-Board 13
6.8. Removing H1-Board and H2-Board 14
6.9. Removing P1-Board 14
6.10. Removing P2-Board 14
6.11. Removing K-Board 15
6.12. Removing V-Board 15
6.13. A-Board servicing 15
7. Service Mode Function 16
7.1. How to enter SERVICE 1 16
7.2. How to enter SERVICE 2 16
7.3. Option Description 17
8. Conductor Views 19
8.1. A-Board 19
8.2. B, H1, H2, K, P1 and P2-Board 19
8.3. DG-Board 19
9. Block and Schematic Diagrams 19
9.1. Schematic Diagram Notes 19
9.2. Power Block Diagram 20
9.3. Signal Block Diagram 20
9.4. Interconnection Schematic Diagram 20
9.5. A-Board (1 of 7) and H1-Board Schematic Diagram 20
9.6. A-Board (2 of 7) and H2-Board Schematic Diagram 20
9.7. A-Board (3 of 7) Schematic Diagram 20
9.8. A-Board (4 of 7), B-Board, K-Board and V-Board Schematic Diagram 20
9.9. A-Board (5 of 7), P1-Board and P2-Board Schematic Diagram 20
9.10. A-Board (6 of 7) and P1-Board Schematic Diagram 20
9.11. A-Board (7 of 7) Schematic Diagram 20
9.12. DG-Board (1 of 7) Schematic Diagram 20
9.13. DG-Board (2 of 7) Schematic Diagram 20
9.14. DG-Board (3 of 7) Schematic Diagram 20
9.15. DG-Board (4 of 7) Schematic Diagram 21
9.16. DG-Board (5 of 7) Schematic Diagram 21
9.17. DG-Board (6 of 7) Schematic Diagram 21
9.18. DG-Board (7 of 7) Schematic Diagram 21
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