Battery - Hitachi IJ RX2 Service Manual

With respect to the setting
of date and time, refer to
the Instruction manual "6.2
setting the Date and
Time".

3.2.2 Battery

[Function]
- The back up battery for the RTC (Calendar IC) on the EZJ128 board
- 2 batteries are used per 1 machine.
Backup batteries for EZJ126 board and EZJ128 board.
[Note at the replacement]
- Before replacing the battery, be sure to turn off the power.
- Be sure to insert it into CN8. (Or date backup cannot be performed)
- After replacing the battery on the EZJ128 board, turn on the power of the IJP
and set the date and time. Perform set up again if it shows wrong date or time.
[Battery attaching part external view]
- When replaced with an incorrect type of battery, the battery is in danger of
exploding. Be sure to replace the battery with the one specified by parts list.
- When battery is disposed of, insulate it using tape, etc.
(1) If mixed with other metal or battery, uninsulated battery may cause
heating, fire or explosion.
(2) Do not put the battery into fire.
(3) If battery not used or battery of 3V or more is to be disposed of, connect
resistor of about 100 ohms between both terminals of battery, and
discharge for at least 48 hours. Then confirm that the battery voltage is
less than 3V and insulate electrodes using tape, etc. before disposal.
For removed batteries following the warning of "Battery Low",
confirm that the battery voltage is less than 3V before disposal.
Caution
!
Caution
!
3-8
CN8
Battery
EZJ128