Service Know-How; When The Prism Block Is Replaced; When The Board Is Replaced - Sony VPL-CX85 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 LUT and 3D GAMMA data that are supplied
with the prism block.
3. Perform the white balance adjustment. (Refer to
Section "2-5. White Balance Adjustment".)

2-4-2. When the Board is Replaced

n
No item needs to be adjusted when boards other than the C
board are replaced.
When the C board is replaced
1. Install the IC103 and IC1503 that are removed from
the old C board, into the new C board.
2. Enter the Factory Mode, and select Other in DEVICE
ADJUST.
3. Shorten the TILT adjuster to its shortest limit on the
flat workbench.
4. At this time, the value of 38 Other/X Tilt is read and
inputted in the 35 Other/Tilt C0.
5. Secure the unit so that it faces upward in the vertical
position.
6. At this time, the value of 38 Other/X Tilt is read and
inputted in the 36 Other/Tilt C1.
7. Secure the unit so that it faces downward in the
vertical position.
8. At this time, the value of 38 Other/X Tilt is read and
inputted in the 37 Other/Tilt C2.
9. Press the MEMORY key and save the adjustment
value.
n
Perform adjustment under the environment of 25 ±5dC.
2-6
VPL-CX85