1
VPL-CX70/CX75
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 Panel ................................................................................... 1-4
1-3-2.
QB Board (VPL-CX75) and NF Board ...................................... 1-4
1-3-3.
Adjustor Unit .............................................................................. 1-5
1-3-4.
Side Panel Assembly .................................................................. 1-5
1-3-5.
Lamp Power Supply ................................................................... 1-6
1-3-6.
C Board ...................................................................................... 1-7
1-3-7.
Optics Block Assembly .............................................................. 1-8
1-3-8.
Main Capacitor Lens Assembly ................................................. 1-9
1-3-9.
M Board (VPL-CX75) ............................................................. 1-10
1-3-10. U Board and D.C. Fan .............................................................. 1-10
1-3-11. GB Board ................................................................................. 1-11
1-3-12. V Board and GA Board ............................................................ 1-11
1-3-13. D.C. Fan (Sirocco) ................................................................... 1-12
1-3-14. GC Board ................................................................................. 1-12
1-3-1
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. Extension Boards and Extension Connectors .......................... 1-13
1-3-16. Extension Boards and Extension Connectors Connection ....... 1-13
1-3-17. 3D GAMMA Quick Access Application Software .................. 1-16
1-4.
Writing in the USB Storage Media ........................................................... 1-17
1-5.
Warning on Power Connection ................................................................. 1-18
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 ................................................................................... 2-10
2-4-1.
When the Prism Block Is Replaced .......................................... 2-10
2-4-2.
When the Lens is Replaced ...................................................... 2-10
2-4-3.
When the Board is Replaced .................................................... 2-10
2-5.
White Balance Adjustment ....................................................................... 2-11
2-5-1.
HIGH Mode of INPUT-A ........................................................ 2-11
2-5-2.
LOW Mode of INPUT-A ......................................................... 2-11
2-5-3.
HIGH Mode of VIDEO ............................................................ 2-11
2-5-4.
LOW Mode of VIDEO ............................................................. 2-11
2-6.
Automatic Focus (AF) Adjustment ........................................................... 2-12
2-7.
Memory Structure ..................................................................................... 2-13
