Roland VersaCamm VS-640 Service Notes page 111

Fix the Right Frame and Panel Cover.
15
When fixing the Panel
Cover, fi x the sensor with
the sensor cable and the
ribbon cable to the Panel
Board.
Perform the SERVO LOCK CHECK.
16
After turning on the Main Power SW, turn on the Sub Power
SW while pressing the left, right and down keys to enter the
Service Mode.
In [MOTOR MENU]>[SERVO LOCK] menu, select [S].
17
Move the Head Carriage left and right by hand and make
sure the value on the LCD changes depending on the head
position.
Press the [ENTER] key to excite the motor.
18
Check the Head Carriage can not be moved easily by hand
and the value on the LCD doesn't change.
Panel Board
MENU
SERVICE MENU
SERVICE MENU
MOTOR MENU
MOTOR MENU
SERVO LOCK
SERVO LOCK
S:
SERVO LOCK
S:
SERVO LOCK
S: *
3-38
Right Frame
+
MENU
[ ] [ ]
[ ]
3
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[ENTER]
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