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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.
Nothing happens when the
buttons are pressed.
Radio reception is poor.
The memory is erased when
the ignition is turned off.
The faceplate does not open or
close.
The TEL mute function does
not work.
The TEL mute function turns
on even though the TEL mute
cable is not connected.
Free switching of the sound
quality.
Audio control setting cannot be
achieved.
POSSIBLE CAUSE
The fuse has blown.
The computer chip in the unit is not functioning normally.
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.
The faceplate is incorrectly attached.
The TEL mute cable is not connected properly.
The TEL mute cable is touching a metal part of the car.
The system Q function is set on Scan mode.
The system Q function is set on Scan mode.
After checking for short circuits in the wires, replace the
fuse with one with the same rating.
Press the reset button on the unit (see p. 4).
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".
Reattach the faceplate correctly, See the section on
"Removing the Faceplate".(page.12)
Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
Pull the TEL mute cable away from the metal part of
the car.
Refer to the "System Q" page and switch it to a
function other than Scan mode. (see p. 13)
Refer to the "System Q" page and switch it to a
function other than Scan mode.(see p. 13).
— 47 —
SOLUTION
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