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TROUBLE SHOOTING GUIDE (continued)
SYNCHRO REC
e
Awaiting
mode of disk sound recording is set by pushing the SYNCHRO
button ''ON''. The pause mode
(awaiting mode) is automatically released by pushing the START button and the recording starts.
e
When the CUEING/REJECT
button is pushed while recording and the tone arm ascends after the record play,
the time space of about 4 seconds
is made and the pause action takes place. When the CUEING
button is
pushed again and the arm descends, the pause mode is automatically released and the recording starts again.
*
When the PAUSE
button is pushed by mistake during the recording operation and then, the CUEING/REJECT
button is pushed, the tape rotation is reversed but it is not a trouble.
When the CUEING button is pushed again before the time space of about 4 seconds is made, the tape rotation
is also reversed.
1. SYNCHRO
REC mode is released after pushing the START button and the operation stops.
Is pulse-shape voltage applied to
Is the unit not set
Yes
in "REC" mode?
Pin 23 of 1C501
LM6416 of the
(PAUSE PLAY)
Deck?
Yes
No
ls Q511 of the Deck set in
OFF" mode?
No
Is the cassette tab removed?
e Q511 is opened. (Solder tunnel)
e Check
Pins
8, 9, and
10 of
Yes
1C503 and the circuit.
(Solder
tunnel
and _ touch,
Replace the tape.
broken
pattern, defective
ICs)
Is REC Switch not turned on?
ues
Check
Pin
22
of
10501
LM6416.
No
Check the switch.
—~14—
e Broken wire of 0540
e Defective IC
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