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Name of board
[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 boards
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.
Output IC U79
Hand output signal:
DOUT201 ~ DOUT208
Connector: HAND
Output IC U82
System output signal:
SV_RDY,BT_ALM, etc.
(SYSTEM-21 to -28signal)
Connector: SYSTEM
Main Board (X8GC)
Type of IC
X8GN
TD62082AP
X8GI
M54562WP
– 93 –
MAINTENANCE MANUAL
Output IC U83
System output signal:
ACK,TEACH,EXT-SIG, etc.
(SYSTEM-29 to -36 signal)
Connector: SYSTEM
Manufacturer
Toshiba Corp.
Mitsubishi Electric
STE 85306
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