Roland VersaUV LEJ-640 Service Notes page 141

Turn off the main power SW.
11
Connect the connector of CN204 on the DC Junction Board.
12
Turn on the main power SW.
13
Put the black probe into CN204-8pin on the DC Junction
14
Board and the red probe into CN204-7pin to confi rm that out-
put voltage value is +41V+0.1.
Confirm that the opposite connector of the cable
connected to CN204 is not connected.
< Rear side >
Main power
DC Junction Board
< Rear side >
Main Power
3-67
CN204
Probe
8 pin
7 pin