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TROUBLE
SHOOTING
GUIDE
(Continued)
Direct call is not made after starting the Turntable (TP M15).
Is mode change not
made by pushing the
FUNCTION SW Button
of the Amplifier?
Do other units
Yes
make calls?
Is the ground wire of the Turn-
See Page 12.
table connected (or loosened) to
GND Terminal of the Amplifier?
Pull out the Remote
Plug of the Turntable.
e Connect it.
e Tighten it securely.
Check
if pulse-shape
voltage
is
applied to the START section of
the
Remote
Plug
when
the
START button of the Turntable
is pushed.
Yes
broken.
Check the
Amplifier circuit.
Is pulse-shape voltage applied to
Pin 2 of IC LC7815?
Inadequate contact of jacks
Solder tunnel of jacks
Is pulse-shape voltage low?
Solder touch of jacks
Broken pattern
Yes
e Check 018 of the Turntable.
e Check the circuit.
Check the Turntable circuit.
e The
Remote
e 0718 is opened.
e Broken pattern
No
Replace IC LC7815.
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