Service manual
89
Playback picture
is not good.
Noise appears over
the entire screen
Yes
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Are SW pulse
applied to
PRE-AMP circuit ?
Is Enve. waveform
supplied to pin 3
of PY 09
Check VIDEO circuit.
Is SW pulse suppiled
from pin 23 of IN01
Check connector, Head
Amp and Clean heads.
Check D. PG
input IN01 pin
18 and connector
(PY04)
Check patten
Yes
No
No
Yes
Instrument goes to
auto stop during
playback
Is Reel pulse applied
pin 14 of IN01
Check REEL
sensor part.
Check connector
PY03
Is D. FG applied to
pin 17 of IN01
Check IN01
The entire screen scrolls up and down
Check P.G Adjustment
B.
C.










