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AUTO FUNCTION
TROUBLE
SHOOTING
GUIDE
(Continued)
e
Direct
call cannot
be exercised
while the digital system
is functioning
(while the frequencies are changing
sucessively.) and this is not a trouble. As "TUNER"
mode
is kept, check in advance that the stop mode is
displayed.
e
AUTO
FUNCTION/SYNCHRO
REC CORD
is sometimes called 'REMOTE
PLUG" hereinafter.
1.
No mode change can be made from ""TUNER"" position.
No
level?
Replace IC LC7815.
Is mode change
not made by pushing the
FUNCTION SW Button?
Is mode change
not made after pulling
out Remote Plug of
the Tuner?
Is Pin 4 of
1CO2 LC7815 of the
Amplifier set in "H"'
® Check
the
circuit.
(Solder touch
and
short-circuit of CO6 inthe LED P.C.Board
and the analogue switch.
Yes
Is call function not
exercised only from
See (2) ~ (4).
a specific unit?
See Pages 7 ~ 9.
Yes
Check if the voltage
is applied to the Remote
Plug of the Tuner.
e Check
Q03 and Q04 of
the Tuner.
e@ Check the circuit. (ICO6,
Q03, solder touch, etc.,)
See Page 13.
No
to "el
' from Tuner
;
circuit
Q03
4—8
004
28C536
2SA608
|
STOP
\-—
PAUSE
=e
A——0 stop
|
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