English
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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.
General
? The power does not turn ON.
✔ The fuse has blown.
☞ After checking for short circuits in the wires, replace the fuse with
one with the same rating.
✔ No ACC position on vehicle ignition.
☞ Connect the same cable to the ignition as the battery cable.
? Nothing happens when the buttons are pressed.
✔ 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 switch.
✔ There’s no tape inserted.
☞ Set the media you want to listen to. If there’s no media in this
unit, you can't switch to each source.
? There’s a source you can’t switch.
✔ The Disc changer isn’t connected.
☞ Connect the Disc changer. If the Disc changer isn’t connected to
it's input terminal, You can't switch to an external disc source.
? The faceplate does not open or close.
✔ The faceplate is incorrectly attached.
☞ Reattach the faceplate correctly, See the section on <Removing
the Faceplate>(page 7).
? The memory is erased when the ignition is turned OFF.
✔ The battery wire has not been connected to the proper terminal.
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
✔ The ignition and battery wire are incorrectly connected.
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
? Even if Loudness is turned ON, high-pitched tone isn't compensated
for.
✔ Tuner source is selected.
☞ High-pitched tone isn't compensated for when in Tuner source.
? No sound can be heard, or the volume is low.
✔ The fader or balance settings are set all the way to one side.
☞ Center the fader and balance settings.
✔ The input/output wires or wiring harness are connected incorrectly.
☞ Reconnect the input/output wires or the wiring harness correctly.
See the section on "Connecting Wires to Terminals".
✔ The cassette tape is bad.
☞ Try playing another cassette tape. If works fine, the first tape was
bad.
? The sound quality is poor or distorted.
✔ One of the speaker wires is being pinched by a screw in the car.
☞ Check the speaker wiring.
✔ The tape head is dirty.
☞ Clean the tape head.
✔ The speakers are not wired correctly.
☞ Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
? The Touch Sensor Tone doesn’t sound.
✔ The preout jack is being used.
☞ The Touch Sensor Tone can’t be output from the preout jack.
Troubleshooting Guide
KRC-235(K)_U.S_r4 01.10.11 6:08 PM Page 18
