Sony RM-PJM17, Service Manual

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VPL-CX85
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. Top Cover ................................................................................... 1-4
1-3-2. QC Board ................................................................................... 1-4
1-3-3. Adjustor Unit .............................................................................. 1-5
1-3-4. Plate (LH) ................................................................................... 1-5
1-3-5. NR Board and Lamp Power Supply ........................................... 1-6
1-3-6. U Board and Speaker Assembly ................................................ 1-6
1-3-7. C Board ...................................................................................... 1-7
1-3-8. QA Board ................................................................................... 1-7
1-3-9. Optics Block Assembly .............................................................. 1-8
1-3-10. V Board ...................................................................................... 1-9
1-3-11. GB Board ................................................................................... 1-9
1-3-12. D.C Fan (Sirocco) (72 x 75) .................................................... 1-10
1-3-13. GA Board ................................................................................. 1-10
1-3-14. QB Board ................................................................................. 1-11
1-3-15. H2 Board and Door (Side) ....................................................... 1-11
1-3-16. Extension Boards and Extension Connectors .......................... 1-12
1-3-17. Extension Boards and Extension Connectors Connection ....... 1-12
1-4. Writing in the USB Storage Media ........................................................... 1-14
1-5. Warning on Power Connection ................................................................. 1-15
2. Electrical Adjustments
2-1. Preparation .................................................................................................. 2-1
2-1-1. Required Equipment ................................................................... 2-1
2-1-2. How to Enter the Factory Mode ................................................. 2-1
2-2. V COM Adjustment .................................................................................... 2-1
2-3. Initial Values of Adjustment Items ............................................................. 2-2
2-4. Service Know-How ..................................................................................... 2-6
2-4-1. When the Prism Block Is Replaced ............................................ 2-6
2-4-2. When the Board is Replaced ...................................................... 2-6
2-5. White Balance Adjustment ......................................................................... 2-7
2-5-1. HIGH Mode of INPUT-A .......................................................... 2-7
2-5-2. LOW Mode of INPUT-A ........................................................... 2-7
2-5-3. HIGH Mode of VIDEO .............................................................. 2-7
2-5-4. LOW Mode of VIDEO ............................................................... 2-7
2-6. Memory Structure ....................................................................................... 2-8
3. Semiconductors
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