Hitachi IJ PH Service Manual page 62

With respect to the setting With respect to the setting
of date and time, refer to of date and time, refer to
the Instruction manual "4.3 the Instruction manual "4.3
setting the Date and Time". setting the Date and Time".
Yellow tag
CN2
3.2.2 Battery
[Function]
- The back up battery for the RTC (Calendar IC) on the EZJ124 board
[Note at the replacement]
- Before replacing the battery, be sure to turn off the power.
- Confirm that the color of the CN2 is yellow.
- Use the battery with the yellow tag or yellow connector housing.
- Use the battery which the tag sticks to for the EZJ124 board.
- Be sure to insert it into CN2.
- After replacing the battery, set the date and time.
- 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.
-When disposing of the battery (lithium battery), you must comply with local
regulatory requirements. Consult the appropriate regulatory agency for further
information.
!
Caution
(1)
Battery
EZJ124 board
Two kinds of available battery.
!
Caution
3-7
(2)
or
Yellow
connector
Yellow tag
housing