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

 

 

 

 

 

 

32

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Onkyo CR-305FX instruction manual Troubleshooting, Trouble Cause Remedy See

CR-305FX specifications

The Onkyo CR-305FX is a compact and versatile stereo receiver that has gained a solid reputation among audio enthusiasts for its blend of modern technology and classic design. This receiver is particularly appealing for those looking to amplify their audio experience while maintaining a tidy and organized space.

One of the standout features of the Onkyo CR-305FX is its integrated CD player, which supports various disc formats and ensures high-quality playback. This player is complemented by a radio tuner that allows users to enjoy both AM and FM broadcasts, offering a range of listening options. The tuner includes features such as pre-set radio stations, making it easy to switch between favorite channels without hassle.

The CR-305FX supports a total power output of 30 watts per channel, ensuring adequate amplification for most home audio setups. This power is delivered a high level of fidelity, thanks to the receiver's built-in high-current amplification that provides dynamic sound reproduction across various genres. In terms of audio performance, the CR-305FX boasts a refinement that showcases details in music, from crisp highs to rich lows.

Connectivity options are robust with multiple inputs, including analog audio inputs for external devices, making it easy to connect turntables, smartphones, or other audio sources. The receiver also features a headphone jack, catering to listeners who prefer private listening sessions without disturbing others.

One of the key technologies incorporated into the Onkyo CR-305FX is its precision tuning system, which optimizes sound performance for different types of audio content. Users can enjoy a tailored audio experience through various sound modes that enhance specific types of music or audio performance, whether it's classical, rock, or jazz.

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In conclusion, the Onkyo CR-305FX is a powerful, all-in-one stereo receiver that delivers excellent sound quality, versatility, and convenient features. Whether for casual listening or serious audio enjoyment, it meets the needs of diverse users, making it a valuable addition to any audio setup. Its reliability and performance continue to earn it a loyal following among music lovers and audiophiles alike.