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TROUBLE
SHOOTING
GUIDE
(Continued)
3.
Direct call is not made after playing the Cassette Deck (RD M15).
ls mode change not
made by pushing the
FUNCTION SW Button
of the Amplifier?
Yes
Pull out the
Remote Plug of
the Deck.
Check
if pulse-shape voltage is
applied
to the START
section
of the Remote
Plug when the
PLAY
button
of the Deck
is
pushed.
See (7).
See Page 12.
No
e TR and IC are opened.
e Broken pattern
e Broken plug wire
ls pulse-shape
voltage applied to Pin 6
of IC LC7815?
No
Check the circuits of the
Remote
Jack
and_
the
function switch.
e Solder touch and tunnel
@
Broken pattern
IC LC7815
is defective.
Ne
Is pulse-shape votage low?
Yes
e Check 0528 of the Deck.
e Check !1C503 of the Deck.
e Check the circuit.
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