Clarion DB625MP owner manual Case of Difficulty, Problem Cause Measure

9. IN CASE OF DIFFICULTY

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.

	Problem	Cause	Measure
	The power does not turn	The fuse has blown.	After checking for short circuits in the
	ON.		wires, replace the fuse with one with the
			same rating.
		No ACC position on vehicle	Connect the same wire to the ignition as
		ignition.	the battery wire.
	Nothing happens when	The computer chip in the	Press the reset button on the unit.
	the buttons are pressed.	unit is not functioning
		normally.
	There’s a source you	There’s no CD inserted.	Set the media you want to listen to. If
	can’t switch.		there’s no media in this unit, you can’t
			switch to each source.
	The memory is erased	The battery wire has not	Connect the wire correctly, referring to the
	when the ignition is	been connected to the	section on <Connecting Wires to Termi-
	turned OFF.	proper terminal.	nals>.
		The ignition and battery	Connect the wire correctly, referring to the
		wire are incorrectly	section on <Connecting Wires to Termi-
		connected.	nals>.
	There’s no loudness	You’re using Non-fading	Loudness has no effect in Non-fading
GENERAL	effect.	preout.	preout.
	Even if Loudness is turned	Tuner source is selected.	High-pitched tone isn’t compensated for
	ON, high-pitched tone isn’t		when in Tuner source.
	compensated for.
	No sound can be heard,	The fader or balance	Center the fader and balance settings.
	or the volume is low.	settings are set all the way
		to one side.
		The input/output wires or	Reconnect the input/output wires or the
		wiring harness are	wiring harness correctly. See the section
		connected incorrectly.	on <Connecting Wires to Terminals>.
		The values of Volume offset	Increase the values of Volume offset.
		are low.
	The sound quality is poor	One of the speaker wires is	Check the speaker wiring.
	or distorted.	being pinched by a screw in
		the car.
		The speakers are not wired	Reconnect the speaker wires so that each
		correctly.	output terminal is connected to a different
			speaker.
	The Touch Sensor Tone	The preout jack is being	The Touch Sensor Tone can’t be output
	doesn’t sound.	used.	from the preout jack.
	The Dimmer function	The Dimmer wire isn’t	Check the Dimmer wire connection.
	doesn’t work.	connected correctly.

DB625MP 25