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3-6
VPL-CS2/CX1
3-4. Service Kowhow
3-4-1. After Replacing the Prism Block
1. Perform Section “3-1-2, item 2) Polarizing Plate
Adjustment.”
2. Perform Section “3-2. V-COM Adjustment.”
3. Perform Section “3-5. White Balance Adjustment on
Servicing.”
3-4-2. After Replacing the Board
. Refer to the cross table below.
. There are no need to perform the adjustment when the board
other than the BA board or C board had been replaced.
1) When Replacing the BA Board
When the data before replacement can be read properly
1. Make a not of the data before replacement. After
replacement, write the data into the new board with
service mode.
2. If the white balance is extremely deteriorated, perform
the white balance adjustment (Refer to Section 3-5.).
When the data before replacement cannot be read
1. Perform Section “3-2. V-COM Adjustment.”
2. Perform Section “3-5. White Balance Adjustment on
Servicing.”
2) When Replacing the C Board
1. Perform Section “3-2. V-COM Adjustment.”
2. Perform Section “3-5. White Balance Adjustment on
Servicing.”
3) When Replacing the Other Board
There are no need to perform the adjustment.
Cross Table of Board Replacement
Board Name
Device Name Item Name BA C
P.DRV VCOM (R) * O
VCOM (G) * O
VCOM (B) * O
CONT * 95, 100 IRE
SUB CONT R * 95,100 IRE
SUB CONT G * 128 Fixed
SUB CONT B * 95,100 IRE
BRT * 2.8 V
W/B ADJUST
INPUT A-HIGH GAIN R * No
GAIN G * No
GAIN B * No
BIAS R * No
BIAS G * No
BIAS B * No
INPUT A-LOW GAIN R * O
GAIN G * O
GAIN B * O
BIAS R * O
BIAS G * O
BIAS B * O
VIDEO-HIGH GAIN R * No
GAIN G * No
GAIN B * No
BIAS R * No
BIAS G * No
BIAS B * No
VIDEO-LOW GAIN R * O
GAIN G * O
GAIN B * O
BIAS R * O
BIAS G * O
BIAS B * O
* : When down the data befor replacement, and then
write in the data after the board replacement.
O : Need adjustment
Value : See description.