Roland VersaUV LEJ-640 Service Notes page 142

Turn off the main power SW.
15
Disconnect the special tool cable.
16
And connect the connector of the CN1001 on the AC Junc-
tion Board and CN2 on the SW supply (5V).
Connect 3 connectors on the DC Junction Board.
17
Fix the following boards.
18
Connect all the cables.
Step Drive Board
Servo Board
Main Board
Head Board
UV Junction Board
TU Junction Board
< Rear side >
SW Power supply (5V)
Step
Drive
Board
Main Board
Servo Board
3-68
Main power
Special tool cable
CN2
AC Junction Board
CN42
DC Junction Board
CN37 CN36
TU Junction Board
Head Board
CN1001
UV Junction Board