Troubleshooting Guide - Kenwood KRC-591 Bedienungsanleitung

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.
General
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The power does not turn ON.01
✔ 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
☞ Connect the same wire to the ignition as the battery wire.
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If you have selected Standby mode, the power will go OFF
automatically.03
✔ The Power OFF Timer function has been activated.
☞ If you do not want the power to go OFF automatically, cancel the
Power OFF Timer function.
?
Nothing happens when the buttons are
✔ The computer chip in the unit is not functioning normally.
☞ Press the reset button on the unit (page 4).
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There's a source you can't switch.05
✔ 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.
✔ 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 switch to an external disc source.
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The memory is erased when the ignition is turned
✔ 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
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
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The TEL mute function does not
✔ The TEL mute wire is not connected properly.
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
ignition.02
pressed.04
OFF.10
connected.11
work.15
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The TEL mute function turns ON even though the TEL mute wire is
not connected.16
✔ The TEL mute wire is touching a metal part of the car.
☞ Pull the TEL mute wire away 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 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
☞ Center the fader and balance settings.
✔ The input/output wires or wiring harness are connected
☞ Reconnect the input/output wires or the wiring harness correctly.
See the section on <Connecting Wires to Terminals>.
✔ The cassette tape is
☞ Try playing another cassette tape. If works fine, the first tape was
bad.
✔ The values of Volume offset are
☞ Increase the values of Volume offset. (page 6)
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The sound quality is poor or
✔ One of the speaker wires is being pinched by a screw in the car.
☞ Check the speaker wiring.
✔ The tape head is
dirty.26
☞ Clean the tape head.
✔ The speakers are not wired
☞ Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
?
The Security Code item isn't displayed in the Menu
✔ The Security Code function is already activated.
☞ When the Security Code function is activated it isn't displayed in
the menu items.
— 29 —
bad.23
low.24
distorted.25
correctly.27
System.32
side.21
incorrectly.22