3-8
Capstan Motor Stopped.
Check Power.
Does PWM wave appear at IC501
Pin 25?
Does the CFG signal appear at PMC01
Pin 6?
Check Capstan Motor Ass’y.
Check Components and foil patterns
between PMC01 Pin 6 and IC501
Pin 40 for shorts.
Replace IC501.
Does 12VA appear at PMC01 Pin 5?
Does 2.8V appear at PMC01 Pin 4?
Check Connector and Capstan
Motor Ass’y.
Check the Components and foil Patterns
Connected between IC501 Pin 25 and
PMC01 Pin 4 for shorts.
Does the CFG signal appear at IC501
Pin 40?
Does Capstan PWM appear at IC501
Pin 25?
Check the components and foil pattern
connected between IC501 Pin 25 and
PMC01 Pin 4 for shorts
C.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
To Next Page
Loading...
