1-13
BVW-55 P2
1-5. NV-RAM/EEPROM
Describes ICs that require the initialization and adjustment of data after parts are replaced.
Board name Ref. No. Address IC type Description
DEC-97 IC34 C3 (Side A) EEPROM DEC board adjustment data
DM-121 IC909 M7 (Side A) NV-RAM DM board adjustment data
IC1812 C6 (Side A) NV-RAM
KY-446 IC108 E8 (Side B) EEPROM Sub-LCD menu set data
SDI-23 IC457 E1 (Side A) EEPROM SDI board adjustment data
SV-206 IC404 D8 (Side A) NV-RAM Servo data, hours meter data and
serial No. data
SY-272 IC1 A1 (Side A) NV-RAM Main menu, error logger and
calender/clock set data
TG-191 IC406 C4 (Side A) EEPROM TG board adjustment data
1-5-1. Initialization and Adjustment
Explains how to initialize and adjust the data when adjustment and set data items are lost during IC
replacement.
1. IC34 on DEC-97 board
(1) Adjust all menu items of the maintenance mode below.
(For the adjustment, refer to Section 7.)
. A24: INPUT CF DETECT
. A25: DEC VR or A26: DEC VR(LOOP)
2. IC909 and IC1812 on DM-121 board
. IC909
(1) Set initial values to all menu items of the maintenance mode below, then adjust them.
(For the setting and adjustment, refer to Section 7.)
. A32: DM VR1
. A33: DM VR2
. A34: DM VR3
. A35: DM VR4
. A36: DM VR5
. A38: TBC VR2
. IC1812
(1) Set initial values to all A37: TBC VR 1 menu items of the maintenance mode below, then adjust
them.
(For the setting and adjustment, refer to Section 7.)
3. IC108 on KY-446 board
(1) Reset the sub-LCD menu data.
(For the setting, refer to the operation manual.)
1-5. NV-RAM/EEPROM
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