BenQ 9H.Y1277.000, Product Service Manual

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Content Index
Abbreviations & Acronyms………………………………………………………….…...3
About This Manual………………………………………………………………….…...4
Trademark…………………………………………………………………………...4
Introduction……………………………………………………………………………...4
Important Service Information………………………………………….……….....4
RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS………4
Safety Notice............................................................................................................…...5
Compliance Statement……………………………………………………….……..5
General Descriptions…………………………………………………………………….5
Related Service Information……………………………………………………………..5
Service Web Site…………………………………………………………………….5
Product Overview………………………………………………………………………..6
Specifications……………………………………………………………………….6
Packing……………………………………………………………………………17
Customer Acceptance……………………………………………………………..23
Level 1 Cosmetic / Appearance / Alignment Service……..……………………..………26
Operational Inspection Criteria.................................................................................26
Software/Firmware Upgrade Process…………………………………………......30
Adjustment / Alignment Procedure………………………………………………36
Level 2 Circuit Board and Standard Parts Replacement…..…………………………….43
Product Exploded View……….………………………………………………..…43
Module 1 – Total Exploded View...……..………..……….…………………43
Module 2 – ASSY UPPER CASE……………………………………………45
Module 3 – ASSY LOWER CASE………………..……………………….....46
Module 4 – ASSY FRONT CASE…….…
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Product Disassembly/Assembly…………………..…………………………48
Module Assembly Key Point – Optical Engine...……..…………………53
Module Assembly Key Point – Mechanical…………..…….……………70
Block Diagram……………………………………………….…………………...80
Troubleshooting………………………………………………………………......82
Appendix 1 – Screw List / Torque…………………….…..…………………………….90
Appendix 2 – Code List: IR / RS232 / DDC Table………...…
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