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nglis
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27
CX501A
7. TROUBLESHOOTING
Problem
Cause
Measure
Gen
e
ra
l
Power does not
turn on.
(No sound is
produced.)
Fuse is blown.
Replace with a fuse of the same amperage. If the fuse
blows again, consult your store of purchase.
Incorrect wiring.
Consult your store of purchase.
No sound output
when operating
the unit with
amplifiers or
power antenna
attached.
Power antenna lead is
shorted to ground or
excessive current is required
for remote-on the amplifiers
or power antenna.
1. Turn the unit off.
2. Remove all wires attached to the power antenna
lead. Check each wire for a possible short to
ground using an ohm meter.
3. Turn the unit back on.
4. Reconnect each amplifier remote wire to the power
antenna lead one by one. If the amplifiers turn off
before all wires are attached, use an external relay
to provide remote-on voltage (excessive current
required).
Nothing happens
when buttons are
pressed.
Display is not
accurate.
The microprocessor has
malfunctioned due to noise,
etc.
Press the reset
button for about
2 seconds with a
thin rod.
If the RESET
button is pressed
when a disc is
loaded, please
eject the disc and
load it once again
before attempting
to play it.
Main unit connectors are
dirty.
Wipe the dirt off with a soft cloth moistened with
cleaning alcohol.
No sound heard
The speaker protection circuit
is operating.
1. Turn down sound volume. Function can also be
restored by turning the power off and on again.
(Speaker volume is reduced automatically when
the speaker protection circuit operates).
2. If the sound is muted again, consult our service
department.
Reset
button
CX501A_ENG.book Page 27 Tuesday, December 28, 2010 10:43 AM
