Roland VersaUV LEJ-640 Service Notes page 138

SW POWER SUPPLY REPLACEMENT (41V)
SW POWER SUPPLY CONNECTOR LAYOUT
Connected to [CN1002] on
the Energy Board
Connected to [CN34] on
the DC Junction Board
Necessary special tool
1000007423
CABLE-ASSY,JIG POWER LEC-540 ST-119
Necessary device
Digital Multi-Meter capable of
measuring the direct voltage
Remove the Right Top Cover.
1
Disconnect the Cables from the following boards and remove
2
the boards together
with the Stays.
Step Drive Board
Servo Board
Main Board
Head Board
UV Junction Board
TU Junction Board
< Rear side >
Step
Drive
Board
Main Board
Servo Board
3-64
Be careful not to fix the wrong voltage
of the SW board. It can damage the UV
Lamp or board.
Right Top Cover
TU Junction Board
Head Board
36V
UV Junction Board