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Accessory2
Removal tool
Screw (M4X8)
(commercially
available)
■ Removing the Unit
4 Lower the removal tool
toward the bottom, and pull
out the unit halfway while
pressing towards the inside.
Be careful to avoid injury from
the catch pins on the removal
tool.
5 Pull the unit all the way out
with your hands, being
careful not to drop it.
1 Refer to the section “Removing the hard rubber frame” and then
remove the hard rubber frame.
2 Remove the screw (M4 × 8) on the back panel.
3 Insert the two removal tools deeply into the slots on each side,
as shown.
Installation
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
? 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 ignition.02
☞ Connect the same wire to the ignition as the battery wire.
? Nothing happens when 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 switch.06
✔ There’s no CD inserted.
☞ Set the media you want to listen to. If there’s no media in this
unit, you can't swhich to each source.
? The memory is erased when the ignition is turned OFF.10
✔ 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.11
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
? The TEL mute function does not work.15
✔ The TEL mute wire is not connected properly.
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
? 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.
KDC-3023R_U.S 02.9.26 3:14 PM Page 23