18
91
The voltage of pin
of IC601 is not
changed.
Is CTL pulse input
to pin and of
IC601?
71
72
73
Check and
re-adjust the
Path of Deck.
Check circuit
adjacent to IC601.
Check R523, R524
C508, C509.
check R518
and C511.
Check IC601.
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
A.
Playback picture
is not good.
Noise appears
although adjusting
tracking.
Is CTL pulse applied
to pin of IC601?
Noise shakes up
and down on the
screen.
Adjust
tracking.
CTL HEAD height is
normal and there is
not dust.
Adjust the HEAD
height and remove
dust.
Noise appears
although change
cassette tape.
3-3. SERVO/SYSCON CIRCUIT
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