Roland VersaCamm SP-540V Service Notes page 68

13 Connect the PANEL CABLE to the PANEL BOARD and
fix the PANEL COVER.
Perform the SERVO LOCK CHECK.
14
After turning on the main power, turn on the sub power
while pressing the Left, Right and Down keys to enter
the SERVICE MODE.
15 In [SERVO LOCK] menu, select [S].
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.
16
Make sure the MOTOR is locked and the value on the
LCD doesn't change.
[ ], [
MENU
SERVICE MENU
SERVICE MENU
SERVO LOCK
SERVO LOCK
S:
SERVO LOCK
S:
SERVO LOCK
S:*
3-23
PANEL COVER
], [ ] + POWER ON
[MENU] key
[ ]
3
1688
[ENTER]
1688