52
6 Trouble Shooting
6
6-2 TROUBLE SHOOTING
• Motor error
Is Motor Balance
adjusted correctly?
Is motor driver IC OK?
Is OP AMP OK?
Is +15V regulator IC OK?
Adjust Motor Balance.(P.39)
Replace U10/U11
on POWER BOARD ASS'Y.
Replace U7/U8 on
POWER BOARD ASS'Y.
YES
NO
NO
NO
YES
YES
Is -15V regulator IC OK?
YES
Replace U14 on
POWER BOARD ASS'Y.
NO
YES
Replace U15 on
POWER BOARD ASS'Y.
NO
Is MOTOR
ASSEMBLY OK?
Replace the
MOTOR ASSEMBLY.
NO
NG