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I
iv1Z
700
Troubleshooting procedure
Phenomennon
CD:
Motor
and
tape
do
not rotate,
when
the
PLAY
button
is
pushed.
Check
if
M+
and
M·5V
are
in
supply.
NO
Motor
fai lure
Check
if
the SW302
interlinked
with
the
P
LAY
push
button
is
active.
Phenomenon
@:
Program
can
not
be
saved
Check
if
the
SW3OO1
interlinked
with
the R EC push
button
is
properly
operating when the
REC
pushbutton
is pushed.
Check
if
+5V
on
Cl)
.
NO
itch
fai lure
heck
if
signa
is
on
from
the
OK
terminal
!J).
OV: when
SW
is
on
+5V:
when
SW
is
off
NO
Check
+5V
on
REMOTE
terminal
@.
Check
the
+5V
input
voltage. Check
R3009.
OK
Check the
motor
lead
wire
(REM)
and
the
motor
transistor (2S0468)
Check
if
voltage is
on
to
the
base
of
the
remote
control
transistor
of
the CPU board.
Check
the
CPU
board.
Check
if
the signal
is
on
to
the
base
OK
of
03002.
Failure
of
SW3OO1.
Check R30OS.
signal
is
on
to
the recor
OK
ding
head.
OK
NO
Failure
of
the recordl
playback head.
Contact
failure
in
SW3OO1.
Check
03001
and
03002.
Check
if
voltage
is
on
to
the
erasure head.
Phenomenon
®:
Program
can
not
be
loaded
or
resulted
in
error
Check
if
a
waveform
is
on
the terminal
®.
OK
Check
the
1...----1+5V
NO
supply.
No
waveform
with
too
much
noise.
NO
16
Check
if
the erasu
re
head
should have been inactive
due
to
failure
of
SW3001 .
Check
peripheral
components
around
03003
and
for
azimuth
maladjustment
of
the record I
playback
head.