LG TL-AT130M - Manual (Page 15)

(3) Capstan motor stops
3-5
SECTION3 ELECTRICAL
ELECTRICAL TROUBLESHOOTING GUIDE
Check the Ass’y between PMC01
and Capstan motor
YES
NO
Aren’t pattern or componets between
IC501 Pin33 and PMC01 Pin9 short?
NO
Check Power circuit
Does CFG signal appear at PMC01 Pin1?
Check the Ass’y of Capstan motor
When the capstan motor stops
Is it 12VA at PMC01 Pin2?
YES
Is there 2.8V at PMC01 Pin9?
YES
NO
Does PWM signal appear at IC501 Pin 33?
NO
NO
Aren’t pattern or componets between IC501 Pin67 and
PMC01 Pin1 short?
Replace IC501
YES
NO
YES
Check CFG signal appear at IC501
Pin67?
Does Capstan PWM signal appear
at IC501 Pin33?
YES
Aren’t pattern or componets between
IC501 Pin33 and PMC01 Pin1 short?
YES