TROUBLE SHOOTING TABLE
(Continued)
No audio output
I
Are there audio signal outputs at pins
(5) and (27) of
Check the input, the switching circuit
of
and
and their
peripheral circuits.
I
Are there audio signal outputs at pins No
and (2) of
Yes
, Check the amplifier of
and
,
and their peripheral circuits,
, the
control voltage, the
501
, connectors, etc.
Are there audio signal outputs at pins N
O
(4) and (6) of
Yes
I
Check
and its peripheral
I
circuits,
I
I
I
If the voltage at pin (7) of
is
not as specified, check
Check
and its peripheral
and their peripheral circuits.
circuits, and the SP connectors and
speakers.
I
4 3
