LG EC290W Service Manual page 20

C.
Capstan Motor Stopped.
Does 12VA appear at PMC01 Pin 2?
YES
Does 2.8V appear at PMC01 Pin 9?
YES
Check Connector and Capstan
Motor Ass'y.
Check the Components and foil Patterns
Connected between IC501 Pin 77 and
PMC01 Pin 9 for shorts.
Does the CFG signal appear at IC501
Pin 87?
YES
Does Capstan PWM appear at IC501
Pin 77?
YES
Check the components and foil pattern
connected between IC501 Pin 77 and
PMC01 Pin 9 for shorts
NO
NO
YES
YES
NO
NO
Does PWM wave appear at IC501
Pin 77?
Does the CFG signal appear at PMC01
Pin 1?
Check Capstan Motor Ass'y.
Check Components and foil patterns
between PMC01 Pin 1 and IC501
Pin 87 for shorts.
3-9
Check Power.
NO
NO
Replace IC501.