Onkyo CR-305TX Troubleshooting

Troubleshooting

If you have any problems with the unit, please check the troubleshooting table below first. For any problems not covered in the table, please consult your nearest ONKYO authorized service center.

Trouble		Cause		Remedy	See
					page
The unit doesn't turn on.	•	The AC power cord is not fully inserted into	•	Insert the AC power cord (mains lead) plug	9
		the wall outlet.		into the wall outlet (the mains) securely.
Sound is reproduced from neither	•	The wire of the speaker cord is touching the	•	Check the speaker connections.	8
left or right speaker.		other jacks, connectors, or metal parts.
	•	The volume level is turned down to the mini-	•	Adjust the volume level.	16
		mum.
	•	The sound is muted with the muting func-	•	Press MUTING button on the remote con-	17
		tion.		troller to restore the sound.
	•	The headphones are connected to the	•	Turn down the volume level first, then dis-	17
		PHONES jack.		connect the headphones. Then, readjust the
				volume level.
Sound is reproduced from only	•	The speaker cord is not connected properly	•	Check the speaker connections.	8
one speaker.		or firmly, or is disconnected.
No sound is reproduced when the	•	The volume level is turned down to the mini-	•	Adjust the volume to the proper level when	16
(wake-up) timer operates.		mum.		you set the timer.
The remote controller doesn't op-	•	The batteries in the remote controller are	•	Replace the batteries with new ones.	5
erate.		dead.
	•	The remote controller is out of the control	•	Operate the remote controller within the con-	5
		range.		trol range.
	•	There is some obstruction between the re-	•	Try to operate the remote controller from a	5
		mote controller and the unit.		different angle, or remove the obstruction.
AM stations cannot be received.	•	AM loop antenna is not attached.	•	Connect the supplied AM loop antenna to	10
				the AM antenna terminals.
Buzzing noise on AM (particularly	•	Noise from electrical apparatus such as fluo-	•	Move the AM loop antenna to different posi-	10
conspicuous at night or with weak		rescent lamp.		tion.
stations).			•	Set up an outdoor AM antenna.	11
High-pitched noise or buzzing	•	Noise from TV set.	•	Place the AM loop antenna as far as pos-	10
noise on AM.				sible from the TV.
			•	Move unit away from TV set.	–
Crackling noise on AM, FM.	•	Noise caused by turning a fluorescent lamp	•	Move the antenna as far away as possible	10
		on and off.		from the fluorescent lamp.
	•	Noise from automobile ignition.	•	Install an outdoor FM antenna as far away	11
				as possible from the road.
Tuning indicators and stereo indi-	•	Station is too strong.	•	Change to FM indoor antenna.	–
cator light but sound is distorted	•	Multiple reflection of the radio waves because	•	Use antenna that has better directivity and	–
and separation is bad.		of tall buildings or mountains.		select a point with the least distortion.
Tuning indicators and stereo indi-	•	Station is too weak.	•	Install an outdoor FM antenna.	11
cator flicker and hiss is heard on	•	Stereo FM broadcasts cover only about half	•	Change the position or direction of the out-	–
FM.		the distance of an ordinary broadcast.		door antenna.
			•	Switch to mono reception. (Even stereo	24
				broadcasts will be heard in mono.)
No station or undesired station is	•	The power cord has been unplugged for a	•	The memory contents are lost if the power is	–
recalled when a Preset button is		long time.		not turned on and off a few times each month.
pressed.				Store all stations in the memory again and
				remember to turn the power on and off a few
				times each month.
The RDS function does not work.	•	The station is not an RDS station.	•	Receive an RDS station.	25
	•	The reception station signal is too weak.	•	Install an outdoor FM antenna.	11
			•	Change the position or direction of the out-	–
				door antenna.
	•	Too much interference.	•	Move the antenna as far away as possible	10
				from fluorescent lamps.
			•	Install an outdoor FM antenna.	11

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