Panasonic PTAX200U - LCD PROJECTOR, Service Manual

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1 Safety Precautions 5
1.1. General Guidelines 5
1.2. Leakage Current Check 5
1.3. UV Precaution and UHM Lamp Precautions 5
2 Ext Option 6
2.1. Procedure to enter EXT OPTION 6
2.2. EXT OPTION Menu and Functions 6
2.3. Canceling EXT OPTION 6
3 Self-Check Mode 7
3.1. Procedure to enter the self-check mode 7
3.2. Self Check Display and Contents 8
3.3. Canceling the self-check mode 9
4 Flicker Adjustment Mode 9
4.1. Procedure to enter the adjustment mode 9
4.2. Adjustment Display and Contents 9
4.3. Canceling the flicker adjustment mode 9
5 Using the SERIAL Connector 10
5.1. Connection 10
5.2. Pin Layout and Signal Names for SERIAL Connector 10
5.3. Communication Settings 10
5.4. Basic Format 11
5.5. Control / Query Commands 11
5.6. Communication Cable Specifications 13
5.7. Signal Selector Connecting Cable Specifications 13
6 Disassembly Instructions 14
6.1. Printed Circuit Board and Main Parts Location 14
6.2. Removal of Upper Case 15
6.3. Removal of A-P.C.Board 15
6.4. Removal of R-P.C.Board and S-P.C.Board 15
6.5. Removal of K-P.C.Board 15
6.6. Removal of B/Q-Module 16
6.7. Removal of P-Module 16
6.8. Removal of Lamp Unit 16
6.9. Removal of Analysis Block 17
6.10. Removal of LCD Block 17
6.11. Removal of Projection Lens 18
6.12. Replacement of LCD Panel (B) 18
6.13. LCD Panel Discrimination 19
6.14. LCD Panel Combination 19
6.15. Replacement of Projection Polarizer 19
6.16. Replacement of Incidence Polarizer 20
6.17. Replacement of PBS Array (Analysis Block) 20
6.18. Removal of Iris Unit 21
7 Measurement and Adjustments 22
7.1. Adjustment Procedure Flowchart 22
7.2. Cautions for Adjustment 22
7.3. Setting Before Adjustment 22
7.4. Convergence Adjustment 22
7.5. Lighting Area Adjustment 24
7.6. Software for Adjustment 26
7.7. Flicker Adjustment 29
7.8. Input Level Adjustment (RGB) 30
8 Troubleshooting 31
9 Interconnection Block Diagram 41
9.1. Interconnection Block Diagram (1/2) 41
9.2. Interconnection Block Diagram (2/2) 42
10 Block Diagram 43
10.1. Power Supply 43
10.2. Signal Processing (1/2) 44
10.3. Signal Processing (2/2) 45
11 Schematic Diagram 47
11.1. A-P.C.Board (1/7) 48
11.2. A-P.C.Board (2/7) 49
11.3. A-P.C.Board (3/7) 50
11.4. A-P.C.Board (4/7) 51
11.5. A-P.C.Board (5/7) 52
11.6. A-P.C.Board (6/7) 53
11.7. A-P.C.Board (7/7) 54
11.8. K-P.C.Board 55
11.9. R-P.C.Board, S-P.C.Board, H-P.C.Board, M1-P.C.Board,
M2-P.C.Board 56
11.10. B-Module (1/2) 57
11.11. B-Module (2/2) 58
12 Circuit Boards 59
12.1. A-P.C.Board 59
12.2. R-P.C.Board, S-P.C.Board 60
13 Terminal guide of ICs and transistors 61
14 Exploded Views 62
15 Replacement Parts List 66
CONTENTS
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PT-AX200U / PT-AX200E