Table Of Contents - Sony VPL-VW50 Service Manual

1. Service Information
1-1. Appearance Figure .......................................................... 1-1
1-2. Board Locations .............................................................. 1-1
1-3. Disassembly .................................................................... 1-2
1-3-1. Top Cover Assembly ............................................. 1-4
1-3-2. Hood Assembly ..................................................... 1-4
1-3-3. HA Board and NR Board ...................................... 1-5
1-3-4. Front Panel Assembly ........................................... 1-5
1-3-5. Optics Block .......................................................... 1-6
1-3-6. C Board ................................................................. 1-7
1-3-7. Optics Unit Assembly ........................................... 1-7
1-3-8. Lamp Fan ............................................................... 1-8
1-3-9. TA Board ............................................................... 1-9
1-3-10. Lamp Power Supply ............................................ 1-10
1-3-11. GA Board and GB Board-1 ................................. 1-11
1-3-12. GA Board and GB Board-2 ................................. 1-12
1-3-13. Lamp Fan (Sirocco) ............................................. 1-12
1-3-14. Louver (R) ........................................................... 1-13
1-3-15. Q Board-1 ............................................................ 1-14
1-3-16. Q Board-2 ............................................................ 1-15
1-3-17. U Board ............................................................... 1-15
1-3-18. GS Board ............................................................. 1-16
1-3-19. F Board ................................................................ 1-16
1-3-20. Extension Boards and Extension Cables ............. 1-17
1-3-21. How to Extend Boards ........................................ 1-18
1-4. Unleaded Solder ............................................................ 1-20
1-5. Service Know-How ...................................................... 1-20
1-5-1. When the Optical Unit ASSY is Replaced .......... 1-20
1-5-2. When the Board is Replaced ............................... 1-20
1-5-3. IRIS Copy ............................................................ 1-20
1-5-4. W/B Copy ............................................................ 1-20
1-6. Upgrading the Software ................................................ 1-21
1-7. Memory ......................................................................... 1-22
1-8. Warning on Power Connection ..................................... 1-24
2. Electrical Adjustments
2-1. Preparations .................................................................... 2-1
2-1-1. Required Equipment .............................................. 2-1
2-1-2. Service Mode Setting ............................................ 2-1
2-2. Adjustment Item Initialize Data ...................................... 2-2
2-3. White Balance Adjustment on Servicing ........................ 2-6
2-3-1. Component ............................................................ 2-6
2-3-2. Computer ............................................................... 2-7
VPL-VW50

Table of Contents

3. Semiconductors
4. Spare Parts
4-1. Notes on Repair Parts ..................................................... 4-1
4-2. Exploded Views .............................................................. 4-2
4-3. Electrical Parts List ......................................................... 4-9
5. Block Diagrams
Overall ............................................................................ 5-1
Q (1/2) ............................................................................. 5-2
Q (2/2), HA, HB, NF, NR, TA, TL, U ............................ 5-3
C (1/2) ............................................................................. 5-4
C (2/2) ............................................................................. 5-5
GA, GB (1/2), GS, F ....................................................... 5-6
GB (2/2) .......................................................................... 5-7
6. Diagrams
6-1. Frame Schematic Diagrams ............................................ 6-2
Frame Wiring .................................................................. 6-2
6-2. Schematic Diagrams and Printed Wiring Boards ........... 6-3
Schematic Diagrams
Q (1/7) ............................................................................. 6-3
Q (2/7) ............................................................................. 6-4
Q (3/7) ............................................................................. 6-5
Q (4/7) ............................................................................. 6-6
Q (5/7) ............................................................................. 6-7
Q (6/7) ............................................................................. 6-8
Q (7/7) ............................................................................. 6-9
C (1/9) ........................................................................... 6-14
C (2/9) ........................................................................... 6-15
C (3/9) ........................................................................... 6-16
C (4/9) ........................................................................... 6-17
C (5/9) ........................................................................... 6-18
C (6/9) ........................................................................... 6-19
C (7/9) ........................................................................... 6-20
C (8/9) ........................................................................... 6-21
C (9/9) ........................................................................... 6-22
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