Kenwood KRF-V4530D, KRF-V6030D In case of difficulty

In case of difficulty

28	Resetting the Microcomputer
	If the microcomputer may malfunction (unit cannot be operated, or shows an
	erroneous display) if the power cord is unplugged while the power is ON, or
	due to some other external factor. If this happens, execute the following
	procedure to reset the microcomputer and return the unit to its normal
	operating condition.

With the power cord plugged in, turn the POWER key OFF. Then, while holding down the ON/STANDBY key, press POWER.

•Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory.

Other

Amplifier

Symptom	Cause	Remedy
No sound from the speakers.	• The speaker cords are disconnected.	• Connect them properly referring to “Connecting
		the speakers”	#
	• VOLUME is set to the minimum position.	• Adjust the volume to a proper level.
	• MUTE is ON.	• Turn OFF the MUTE.	*
	• The SPEAKERS switches are set to OFF.	• Set the SPEAKERS switch(es) to ON.	^
The standby indicator blinks and sound is not output.	• Speaker cords are short-circuited.	• Turn the power off, eliminate the short-circuit-
		ing, then turn on the power again.
Sound is not output from one of the speakers.	• The speaker cord is disconnected.	• Connect it properly referring to “Connecting the
		speakers”.	#
Sound is not output from the surround		• Connect it properly referring to “Connecting the
speakers and / or the center speaker, or their sound is	• The surround speaker cords and/or the center
very small.	speaker cord is disconnected.	speakers”.	#
	• A surround mode has not been engaged.	• Select a surround mode.
	• The surround and/or center volume controls are	• Adjust the speaker levels using the test tone.
A humming noise is generated when the PHONO	set to the minimum level.		%
		• Insert the audio cord plugs securely into the
input selector is selected.	• The audio cord from the turntable is not con-
	nected to the PHONO jacks.	PHONO jacks.
	• The turntable is not grounded.	• Connect the grounding wire to the GND termi-
		nal on the rear panel.
When playing a Dolby Digital (AC-3) source signal		• Set the input mode to digital manual before
using a DVD player, the sound is cut off soon after it	• There are many possible causes for this prob-
starts.	lem, depending on the type of DVD player used.	starting playback of the Dolby Digital source.
			0
No sound is produced during playback from a DVD		• Press the INPUT MODE key to select to digital
player.	• The input mode is set to digital manual.
A video source cannot be recorded normally.		auto mode.	0
	• The software is copy-guarded.	• Copy-guarded video software cannot be re-
No audio is produced when a DTS source is played.
		corded.
(except for KRF-7030D)	• The model does not incorporate a DTS decoder.	• DTS sources cannot be reproduced with a model
		that does not incorporate a DTS decoder.

Tuner

Symptom	Cause	Remedy
Radio stations cannot be received.	• No antenna is connected.	• Connect an antenna.	!
	• The broadcast band is not set properly.	• Set the broadcast band properly.
	• The frequency of the desired station is not	• Tune the frequency of the desired station.
	tuned.		)
Interference.	• Noise due to ignition noise from an automobile.	• Install the outdoor antenna away from the road.
	• Noise due to interference from an electric appli-	• Turn off the power to the appliance.
	ance.
	• Noise due to a nearby TV set.	• Install the receiver farther away from the TV.
A station which was preset cannot be received by	• The preset station belongs to a frequency that	• Preset a station with a receivable frequency.
pressing the corresponding numeric key.	cannot be received.
	• The preset memory was cleared because the	• Preset the station again.
	power cord had been unplugged for a long
	period of time.