1-10-4. VA-226 Board
The EEPROM (IC701) is mounted on the VA-226 board.
Perform the following adjustments, when this IC is
replaced, too.
Adjustment Items After Board or EEPROM is
Replaced
5-2-1. Black Balance Adjustment
5-2-2. Offset Adjustment
5-2-3. Flare Offset Adjustment
1-10-5. DPR-261 Board
The EEPROM (IC507) is mounted on the DPR-261 board.
Perform the following adjustments, when this IC is
replaced, too.
Adjustment Items After Board or EEPROM is
Replaced
5-4-1. Video Level Adjustment
5-4-2. TEST OUT Level Adjustment
1-10-6. AT-148 Board
The unique setting data that is set by user is written into
IC220 and IC221 on the AT-148 board.
Therefore, when these ICs were replaced with new ICs in
replacing the board or IC itself, the data set by user is lost,
and is returned to their factory-setting values.
Perform the following settings, when these ICs are re-
placed, too.
Setting Items After Board or FRAM is Replaced
. Reset the reference file, operator file and scene file.
(Refer to Section 4.)
. Replace lithium battery on the AT-148 board with a new
one, and reset date. (Refer to Sections 1-1-5 and 3-5.)