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2-4. Service Kowhow
2-4-1. After Replacing the Prism Block
1. Perform Section "2-2. V-COM Adjustment."
2. Load the Gamma data of the prism block into the
supplied floppy disk by using [Quick Access] of
exclusive application software. Download the latest
service information and software updates (Ver.3.30 or
later) using servicing Internet. Also, connecting of the
PC and the unit, connect the serial port on the PC to
the CN700 on the C board using the Quick Access
Assembly (No.A-1501-849-A) extension cable.
3. Perform Section "2-5. White Balance Adjustment on
Servicing."
2-4-2. 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.
2-4-2-1. 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 2-5.).
When the data before replacement cannot be read
1. Perform Section "2-2. V-COM Adjustment."
2. Perform Section "2-5. White Balance Adjustment on
Servicing."
2-4-2-2. When Replacing the C Board
1. Perform Section "2-2. V-COM Adjustment."
2. Perform Section "2-5. White Balance Adjustment on
Servicing."
2-4-2-3. When Replacing the Other Board
There are no need to perform the adjustment.
2-6
Cross Table of Board Replacement
Device Name
Item Name
P.DRV
VCOM (R)
VCOM (G)
VCOM (B)
CONT
SUB CONT R
SUB CONT G
SUB CONT B
BRT
W/B ADJUST
INPUT A-HIGH
GAIN R
GAIN G
GAIN B
BIAS R
BIAS G
BIAS B
INPUT A-LOW
GAIN R
GAIN G
GAIN B
BIAS R
BIAS G
BIAS B
VIDEO-HIGH
GAIN R
GAIN G
GAIN B
BIAS R
BIAS G
BIAS B
VIDEO-LOW
GAIN R
GAIN G
GAIN B
BIAS R
BIAS G
BIAS B
* :
When down the data befor replacement, and then
write in the data after the board replacement.
:
Need adjustment
O
Value: See description.
Board Name
BA
C
*
O
*
O
*
O
*
95,100IRE
*
95,100IRE
*
128 Fixed
*
95,100IRE
*
2.8 V
*
No
*
No
*
No
*
No
*
No
*
No
*
O
*
O
*
O
*
O
*
O
*
O
*
No
*
No
*
No
*
No
*
No
*
No
*
O
*
O
*
O
*
O
*
O
*
O
VPL-CX11
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