Sanyo PDG-DSU21B, Service Manual

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Table of Contents
1. System Introduction.............................................................................................................. 1
1.1 Technical Specification .......................................................................................... 1
1.2 Lamp Specification................................................................................................. 2
1.3 DSU21 System Block Diagram .............................................................................. 4
2. Firmware Upgraded Flow ..................................................................................................... 5
2.1 Setup Tool/Equipment ............................................................................................ 5
2.2 Upgrading Procedure ............................................................................................. 6
3. Machine Disassembly and Replacement ........................................................................... 10
3.1 Tools..................................................................................................................... 10
3.2 Disassembly
Procedure ........................................................................................11
3.3 Disassembly the Optical engine(Lens&Color Wheel)........................................... 24
4. Troubleshooting and Verifying the Repair........................................................................... 26
4.1 Troubleshooting ................................................................................................... 26
4.2 Verifying
the Repair.............................................................................................. 33
5. Connector Information........................................................................................................ 39
5.1 I/O Board.............................................................................................................. 39
5.2 The backside of I/O Board ................................................................................... 40
5.3 Main Board........................................................................................................... 41
5.4 The backside of Main Board ................................................................................ 42
5.5 Ballast Board........................................................................................................ 43
5.6 Power board......................................................................................................... 44
6. FRU (Field Replaceable Unit) List ...................................................................................... 45
6.1 Mechanical Drawing............................................................................................. 46
6.2 Optical Parts Location .......................................................................................... 47
6.3 Accessory ............................................................................................................ 50
6.4 Board/Module....................................................................................................... 50
6.5 Case/Cover/Bracket Assembly............................................................................. 50
6.6 Fans ..................................................................................................................... 50
6.7 Speaker................................................................................................................ 51
6.8 Wire...................................................................................................................... 51
6.9 Screws ................................................................................................................. 51
Appendix A: ANSI Lumen Measuring......................................................................................... 52
Appendix B: Service Level Definition......................................................................................... 52
Appendix C: Connection Definition ............................................................................................ 53
Appendix D: More details for main board measurement…………………………………………….54