Hitachi CP-SX635W Service Manual page 40

Preparation for attaching the main board
Wiring when attaching the control board.
(1) Connect the control board to the main board with CNCNT.
(2) Connect the input board to the main board with CNAU and CNVID.
CNVID
SM0321
CNAU
Input board
EC01 EC02
I/O Metal
EW04
EV01
Main board
(reverse)
WIRING DIAGRAM 4
CNCNT
Control board
ET02
EA06
<Side view>
Main board
Optics unit
Input board
Control board
Prevention of hooking the cables.
Prevent hooking the cables to the optics unit
when installing the main board.
HITACHI