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Troubleshooting Guide
What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring.
Before calling service, first check the following table for possible problems.
PROBLEM
The power does not turn on.
No sound can be heard, or the
volume is low.
Nothing happens when the
buttons are pressed.
The sound quality is poor or
distorted.
Radio reception is poor.
The memory is erased when
the ignition is turned off.
POSSIBLE CAUSE
The fuse has blown.
Attenuator is turned on.
The fader or balance settings are set all the way to one
side.
The input/output wires or wiring harness are connected
incorrectly.
The value of "V OFFSET" is low.
The computer chip in the unit is not functioning normally.
One of the speaker wires is being pinched by a screw in
the car.
The speakers are not wired correctly.
The car antenna is not extended.
The antenna control wire is not connected.
The battery wire has not been connected to the proper
terminal.
The ignition and battery wire are incorrectly connected.
After checking for short circuits in the wires, replace the
fuse with one with the same rating.
Turn off Attenuator.
Reset the fader or balance settings.
Reconnect the input/output wires or the wiring harness
correctly. See the section on "Connecting Wires to
Terminals".
Increase the value of "V OFFSET".
Press the reset button on the unit (see p. 5).
Check the speaker wiring.
Reconnect the speaker wires so that each output
terminal is connected to a different speaker.
Pull the antenna out all the way.
Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
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SOLUTION
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