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Name of board
[1]
X8GN
[2]
X8GI
[Replacement procedures]
1)
Turn off the controller main power.
2)
Remove the cover from the controller.
3)
Disconnect all connectors connected to the X8GC, X8GN (X8GI) printed board
in the controller.
4)
Disconnect the X8GC, X8GN (X8GI) printed boards from the controller.
5)
Remove the ICs shown above from respective sockets.
6)
Attach the new ICs to the sockets.
7)
Mount the X8GC, X8GN (X8GI) printed boards on the controller.
8)
Connect all disconnected connectors to the X8GC printed board, then attach
the controller cover.
9)
Turn on the controller main power.
[2] Output IC U79
Hand output signal:
DOUT201 ~ DOUT208
Connector: HAND
[2] Output IC U82
System output signal:
SV_RDY.BT_ALM
(SYSTEM-21~ -28 signal)
Connector: SYSTEM
Main printed board (X8GC)
Type of IC
TD62082AP
M54562WP
65
MAINTENANCE MANUAL
[2] Output IC U83
System output signal:
ACK. TEACH. EXT-SiG
(SYSTEM-29~ -36 signal)
Connector: SYSTEM
Manufacturer
Toshiba Corp.
Mitsubishi Electric
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