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2-1.
Service Information
2-1-1.
Equipment Required
Part No.
Name
A-8326-017-A
ROM-28 board
2-1-2.
Note on Replacement of Lithium Battery
A lithium battery is mounted on the AT-191 board to backup the real time clock (RTC). If a battery comes to the lifetime,
then RTC stops. Therefore, replace the battery and re-set DATE/TIME on the C12 DATE page of the CCU
CONFIGURATION menu. (Refer to "Setup Menu" in the Operating Instructions.)
Part No.
Name
BATTERY, LITHIUM (CR2032
1-528-174-33
TYPE)
CAUTION
In replacing, ensure that the battery is installed with "+" and "-" poles connected to the correct terminals.
Improper connection may cause an explosion or leakage of fluid.
HXCU-FB70
Section 2
Service Overview
Use
For boot program upgrade
Use
For real time clock (RTC) backup
2-1
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