Samsung VP-L900 Training Manual page 171

Troubleshooting
CAPSTAN DOES NOT OPERATION
C
Check the Vcc and GND of
M.DRIVE input voltage
Check the M.DRIVE IC
Check the output voltage
at IC502-51,53,55
Check the CAPSTAN
connector(CN52) and
8-10
No
M.DRIVE IC(IC502)
Yes
Check the No
at IC502-22pin
Yes
No
input voltage at
IC502-41pin
Yes
Yes
CAPSTAN ASSY
Check POWER block
Check the IC601
Check the PWM block
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