Panasonic PT-D3500U Series, Service Manual

Page: 3 / 93

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 15
5.7. Cable specifications 19
6 Setting the Projector ID Number 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 Top cover 28
11.3. Removal of A-P.C.Board 28
11.4. Removal of J-P.C.Board 29
11.5. Removal of PA-Module 29
11.6. Removal of PB-Module 30
11.7. Removal of Ballast Module 31
11.8. Removal of R-P.C.Board 32
11.9. Removal of Projection Lens 32
11.10. Removal of Lamp Unit 32
11.11. Removal of Optical Block 33
11.12. Removal of DMD Block and Lighting Block 35
11.13. Removal of Color Wheel Block (Lighting Block) 36
11.14. Removal of Mechanical Shutter Motor Unit 36
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/R/T-P.C.Board 69
15.13. J-P.C.Board (1/2) 70
15.14. J-P.C.Board (2/2) 71
16 Circuit Boards 73
16.1. A-P.C.Board (Foil Side) 73
16.2. A-P.C.Board (Component Side) 74
16.3. J-P.C.Board 75
17 Terminal guide of ICs and transistors 77
18 Exploded Views 78
19 Replacement Parts List 81
CONTENTS
Page Page
3
PT-D3500U / PT-D3500E