
1 Safety Precautions 4
1.1. General Guidelines 4
1.2. Leakage Current Check 4
2 Specifications 5
3 Function for Safety 7
3.1. Interlock Switch 7
4 Serviceman Mode 7
4.1. Setting to Serviceman Mode 7
4.2. Resetting to User Mode 8
4.3. Functions in Serviceman Mode 9
5 Using the Serial Terminals 14
5.1. Examples of Connection 14
5.2. Pin Assignments and Signal Names 14
5.3. Communication Conditions (Factory Setting) 14
5.4. Basic Format 14
5.5. Procedure of Communication Condition Settings 15
5.6. Control commands 16
5.7. Cable specifications 19
6 Using a Wired Remote Control 20
6.1. Connection Example 20
6.2. Setting the Projector ID Number for Remote Control 20
7 Support for Service 21
7.1. Supporting Methods 21
7.2. Note for Replacement of P.C.Boards 21
7.3. Replacement of the lithium battery on the A-P.C.Board
21
8 Cautions for Service 21
8.1. Servicing Methods 21
9 Parts Location 22
9.1. Electrical Parts Location 22
9.2. Electromechanical Parts Location 22
10 Replacement of Lamp Unit 23
10.1. Precautions on Lamp Unit Replacement 23
10.2. Timing of Lamp Unit Replacement 23
10.3. Indication of Lamp Monitor 24
10.4. Procedure of Lamp Unit Replacement 24
11 Disassembly Instructions 27
11.1. Flowchart for Disassembly 27
11.2. Removal of Upper Case 28
11.3. Removal of A-P.C.Board 28
11.4. Removal of J-P.C.Board 29
11.5. Removal of D-P.C.Board 29
11.6. Removal of Power Module 30
11.7. Removal of R-P.C.Board 30
11.8. Removal of S-P.C.Board 30
11.9. Removal of Ballast-1 and Ballast-2 Modules 31
11.10. Removal of Lamp Unit 33
11.11. Removal of Projection Lens 34
11.12. Removal of Analysis Block 34
11.13. Removal of Synthesis Mirror 35
11.14. Removal of Color Wheel Block (Analysis Block) 36
11.15. Removal of Rod (complete) 36
11.16. Removal of Full Reflection Mirror (complete) 37
11.17. Removal of DMD Block (complete) 37
12 Troubleshooting 38
13 Interconnection Block Diagram 49
13.1. Interconnection Block Diagram (1/3) 49
13.2. Interconnection Block Diagram (2/3) 50
13.3. Interconnection Block Diagram (3/3) 51
14 Block Diagram 53
14.1. Power Supply 53
14.2. Signal Processing (1/2) 54
14.3. Signal Processing (2/2) 55
14.4. Fan/Motor Drive 56
15 Schematic Diagram 57
15.1. A-P.C.Board (1/11) 58
15.2. A-P.C.Board (2/11) 59
15.3. A-P.C.Board (3/11) 60
15.4. A-P.C.Board (4/11) 61
15.5. A-P.C.Board (5/11) 62
15.6. A-P.C.Board (6/11) 63
15.7. A-P.C.Board (7/11) 64
15.8. A-P.C.Board (8/11) 65
15.9. A-P.C.Board (9/11) 66
15.10. A-P.C.Board (10/11) 67
15.11. A-P.C.Board (11/11) 68
15.12. CW/D/R/S-P.C.Board 69
15.13. J-P.C.Board 70
16 Circuit Boards 71
16.1. A-P.C.Board (Foil Side) 71
16.2. A-P.C.Board (Component Side) 72
16.3. J-P.C.Board 73
17 Terminal guide of ICs and transistors 75
18 Exploded Views 76
19 Replacement Parts List 80
CONTENTS
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PT-D5500U / PT-D5500E / PT-D5500UL / PT-D5500EL