Sony VPL-HS20 - Default Chapter; Table of Contents

1
VPL-HS20
Table of Contents
1. Service Overview
1-1. Appearance Figure ...................................................................................... 1-1
1-2. Board Locations ..........................................................................................1-1
1-3. Disassembly ................................................................................................ 1-2
1-3-1. Front Panel Assembly and Side Cover Assembly......................1-2
1-3-2. HA, HB and NR Boards .............................................................1-3
1-3-3. HC, NF and D.C. Fan .................................................................1-3
1-3-4. C Board ......................................................................................1-4
1-3-5. B Board ......................................................................................1-4
1-3-6. MS Board ...................................................................................1-5
1-3-7. G Board and Lamp Power Supply Block ...................................1-5
1-3-8. OPT Block Assembly and U Board ........................................... 1-6
1-3-9. Opt Unit Assembly and Projection Lens,
Prism Block Assembly ...............................................................1-7
1-3-10. Projection Lens and WV-Film Plate (1), (2) ..............................1-8
1-3-11. Iris Unit and In-Polarizer panel (R), (G), (B) assembly.............1-9
1-3-12. Each Part Direction of Opt Unit Assembly................................ 1-9
1-3-13. QA, QB Boards ........................................................................1-10
1-3-14. F Board and Speaker Assembly ...............................................1-10
1-3-15. Extension Board and Extension Connectors ............................1-11
1-3-16. Extension Board and Extension Connectors Connection.........1-12
1-3-17. Connection Example ................................................................1-13
1-4. Service Knowhow .....................................................................................1-14
1-4-1. After Replacing the Prism Block .............................................1-14
1-4-2. After Replacing the Board .......................................................1-14
1-5. Memory .....................................................................................................1-15
1-6. Warning on Power Connection .................................................................1-17
2. Electrical Adjustments
2-1. Preparations................................................................................................. 2-1
2-1-1. Equipment Required...................................................................2-1
2-1-2. Factory Mode Setting .................................................................2-1
2-2. V COM Adjustment ....................................................................................2-1
2-3. Adjustment Item Initialize Data ..................................................................2-2
2-4. White Balance Adjustment on Servicing ..................................................2-12
2-4-1. Computer ..................................................................................2-12
2-4-2. Video ........................................................................................2-13
2-5. Tilt Adjustment .........................................................................................2-13
3. Semiconductors ..................................................................................3-1