Daewoo DV6T812N Service Manual page 11

TROUBLESHOOTING
G. DRUM Motor stops
DRUM Motor stops.
Is 13V voltage obtained at
P603 pin#8?
YES
Is DRUM PWM fit to IC 601
pin#76?
YES
Is 1.2V voltage obtained at
P603 pin#12?
YES
Check Capstan Motor and
DRUM Motor.
H. CAPSTAN doesn't rotate
CAPSTAN doesn't rotate.
Is 14V voltage obtained
at P603 pin#2?
YES
Is Capstan PWM fit to
IC 601 pin#77?
YES
Is 3.2V voltage obtained
at P603 pin#5?
YES
Is 2~3V voltage obtained
at P603 pin#9?
Check P603 Connector and
Capstan Motor.
NO
Check ON/OFF 13V
(D851, Q856).
NO
Check DRUM PG/FG(IC 601 90).
NO
Check R657, R658,C661,C668.
NO Check 14V.
(Q856,Q857,Q852)
Check Capstan FG
NO
(IC 601 87).
Check R665, R664, R663,
NO
R666, C665.
NO
Check R661, R667, C664.
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