Ezj129 Board (Software Option Terminal Board) - Hitachi IJ UX Service Manual

3.3.13 EZJ129 board (Software option terminal board)

[Function]
- Input / output terminal board when software option is used. (Option for UX-D/E)
[Notes in case of the board replacement]
- Before replacing the board, be sure to turn off the power.
- After replacing the board, be sure to joint connectors to right places.
- Before replacing the board, be sure not to supply the electric power to the wires
connecting to TB3.
- Perform the setting of SW4 to 8.
[EZJ129 external view]
Two fixing screws
CN4:
External communication (RS-232C)
D-SUB 9-pin connector
[ Replacement procedure of EZJ129 board ]
(1) Turn off the power and open the top cover.
(2) Remove two fixing screws.
(3) Remove the connectors (CN8, CN9, CN4) and wires from TB3.
(4) Install a new EZJ129 board by reversing the above procedure.
(5) Perform the setting of SW4 to SW8.
- Inside the top cover (upper part of cabinet)
EZJ119A board
(Option)
TB3 : External signal terminal
CN8:
Connector for EZJ130
Two fixing screws
3-35
Two fixing screws
CN9:
Connector for EZJ130
EZJ129 board
EZJ127A board