— 25 —
What might seem to be a malfunction in your unit may
just be the result of slight misoperation or misw iring.
Before calling service, first check the follow ing table
for possible problems.
General
?
The pow er does not turn ON.
01
✔
The fuse has blow n.
☞
After checking for short circuits in the w ires, replace the fuse w ith
one w ith the same rating.
✔
No ACC position on vehicle ignition.
02
☞
Connect the same cable to the ignition as the battery cable.
?
If you have selected Standby mode, the pow er w ill go OFF
automatically.
03
✔
The Pow er OFF Timer function has been activated.
☞
If you do not w ant the pow er to go OFF automatically, cancel the
Pow er OFF Timer function.
?
Nothing happens w hen the buttons are pressed.
04
✔
The computer chip in the unit is not functioning normally.
☞
Press the reset button on the unit (page 4).
?
There’s a source you can’t sw itch.
05
✔
There’s no tape inserted.
☞
Set the media you w ant to listen to. If there’s no media in this
unit, you can' t sw itch to each source.
?
There’s a source you can’t sw itch.
07
✔
The Disc changer isn’t connected.
08
☞
Connect the Disc changer. If the Disc changer isn’t connected to
it' s input terminal, You can' t sw itch to an external disc source.
?
The faceplate does not open or close.
09
✔
The faceplate is incorrectly attached.
☞
Reattach the faceplate correctly, See the section on < Removing
the Faceplate> (page 8).
?
The memory is erased w hen the ignition is turned OFF.
10
✔
The battery w ire has not been connected to the proper terminal.
☞
Connect the w ire correctly, referring to the section on
< Connecting Wires to Terminals> .
✔
The ignition and battery w ire are incorrectly connected.
11
☞
Connect the w ire correctly, referring to the section on
< Connecting Wires to Terminals> .
?
The TEL mute function does not w ork.
15
✔
The TEL mute w ire is not connected properly.
☞
Connect the w ire correctly, referring to the section on
< Connecting Wires to Terminals> .
?
The TEL mute function turns ON even though the TEL mute w ire is
not connected.
16
✔
The TEL mute w ire is touching a metal part of the car.
☞
Pull the TEL mute w ire aw ay from the metal part of the car.
?
Even if Loudness is turned ON, high-pitched tone isn't compensated
for.
17
✔
Tuner source is selected.
☞
High-pitched tone isn' t compensated for w hen in Tuner source.
?
No sound can be heard, or the volume is low.
✔
The fader or balance settings are set all the w ay to one side.
21
☞
Center the fader and balance settings.
✔
The input/output w ires or w iring harness are connected incorrectly.
22
☞
Reconnect the input/output w ires or the w iring harness correctly.
See the section on "Connecting Wires to Terminals".
✔
The cassette tape is bad.
23
☞
Try playing another cassette tape. If w orks fine, the first tape w as
bad.
?
The sound quality is poor or distorted.
25
✔
One of the speaker w ires is being pinched by a screw in the car.
☞
Check the speaker w iring.
✔
The tape head is dirty.
26
☞
Clean the tape head.
✔
The speakers are not w ired correctly.
27
☞
Reconnect the speaker w ires so that each output terminal is
connected to a different speaker.
?
The Touch Sensor Tone doesn’t sound.
34
✔
The preout jack is being used.
☞
The Touch Sensor Tone can’t be output from the preout jack.
Troubleshooting Guide
