Service Know-How; When The Prism Block Is Replaced; When The C Board Is Replaced - Sony VPL-CS7 Service Manual

2-4. Service Know-How

2-4-1. When the Prism Block is Replaced

1. Perform the V COM adjustment. (Refer to Section "2-
2. VCOM Adjustment".)
2. Write the GAMMA data of the prism block.
3. Perform the white balance adjustment. (Refer to
Section "2-5. White Balance Adjustment".)

2-4-2. When the C Board is Replaced

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If any board other than the C board is replaced, it needs no
adjustment.
When the C board is replaced
1. Install the IC406 that was removed from the old C
board, into the new C board.
2. Enter the Factory Mode.
3. Press the TILT key on the flat workbench. Stop
pressing the TILT key at the position where the lens
shutter becomes invisible when viewed from the front
of the VPL-CS7/ES2.
4. Press the TILT 4 key until the "[value that is dis-
played in step 3] + [+10] value is obtained.
5. Press the keys in following order.
ENTER → ENTER → POSITION + → MEMORY
keys (Memorizing the adjustment value)
6. Press the TILT 4 key until the adjuster does not touch
the floor and at the same time the lens shutter is fully
opened.
7. Press the MENU key to display the menu. Press the ↓
key and enter the Device Adjust Menu.
8. Enter the Other MENU and let the message "38 Other/
X TILT xxxx" (xxxx is any value) on screen.
9. Enter the X TILT value while the VPL-CS7/ES2 is set
in the horizontal position, in "35 Other/TILT CO".
10. Turn the VPL-CS7/ES2 so that it faces upward in the
vertical position. Enter the X TILT value in the
vertical position, in "36 Other/TILT C1".
11. Turn the VPL-CS7/ES2 so that it faces downward in
the vertical position. Enter the X TILT value in the
vertical position, in "37 Other/TILT C2".
12. Press the MEMORY key and save the adjustment
value.
VPL-CS7/ES2
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