Справочник Пользователя для Kenwood KDC-PS907

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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.
SOLUTION
POSSIBLE CAUSE
PROBLEM
No sound can be heard, or the
volume is low.
The fader or balance settings are set all the way to one
side.
Reset the fader or 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".
Nothing happens when the
buttons are pressed.
The computer chip in the unit is not functioning normally.
Press the RESET button on the unit (see p. 6).
The sound quality is poor or
distorted.
The speakers are not wired correctly.
Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
One of the speaker wires is being pinched by a screw in
the car.
Check the speaker wiring.
The antenna control wire is not connected.
Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
Radio reception is poor.
The car antenna is not extended.
Pull the antenna out all the way.
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.
Attenuator is turned on.
Turn off Attenuator.
Troubleshooting Guide
The memory is erased when
the ignition is turned off.
The battery wire has not been connected to the proper
terminal.
The faceplate does not open or
close.
The ambient temperature is too low.
Warm up your car.
The valet mode is ON.
Turn off the valet mode.
Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
The beep does not sound from
rear preout.
The beep sound can be output only from front preout.
The unbalanced/balanced setting of preouts have not
corresponded with the setting of your amplifier.
Check both the settings.