Servo-Syscon Circuit - DAEWOO ELECTRONICS DV-F882DY-C Service Manual

3-3. SERVO SYSCON CIRCUIT
A.
Playback picture
is not good.
Noise appears
although adjusting
Noise shakes up
and down on the
Is CTL pulse out
from pin of IC601.
Is CTL pulse input
to pin and of
The voltage of pin
of IC601 is not
91
Check IC601
NO
Adjust
tracking
tracking.
YES
Noise appears
NO
although change
screen. cassette tape.
YES
CTL HEAD height is
NO
normal and there is
73
YES
NO
Check C508, C509
71 72
IC601
YES
NO
check R518
and C511
changed.
YES
YES
NO
not dust.
YES
Check circuit
adjacent to IC601
20
Check and
re-adjust the
Path of Deck.
Adjust the HEAD
height and remove
dust