DAEWOO ELECTRONICS DV-F202 Series, Service Manual

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24
Drum M/T and Capstan M/T rotate
at regular speed. (In REC mode)
Is C. Sync applied to
pin of IC601?
93
Check Motors.
Check C. Sync of
VIDEO IC and Pattern
Emergency mode appears when plugging in.
(Power cord)
Is EVER 5V supplied?
Are CAM SW DATA Correct?
Check IC602.
Check IC 601.
Check power circuit.
Recheck connector
and CAM SW contact.
NO
YES
YES
YES
YES
NO
NO
NO
F.
G.
YES
23
Drum M/T loading stops.
Is Drum Motor 12V at
pin of P601 supplied?
Is pin D.FG of
IC601 supplied.
Is D.PWM (pin )
of IC601 supplied?
Check connector (P601)
and drum Motor.
Is pin of P501
input to 2V-3.5V?
Is pin of P601 2.5V?
Is pin (C.PWM)
of IC601 Supplied?
Check connector (P501)
and capstan Motor.
67
4
1
18
3
Check Q851 of
power circuit.
Check C505, R506, R507
and C516
Check IC601
Check D854 of power circuit.
Check circuit of R510,
R511, R512.
Check R508, R509
Check IC601
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
Capstan M/T loading stops.
Is capstan Motor 12V
at pin of P501 supplied?
D.
E.
5
8
1