ONKYO T-405TX User Manual download pdf (Page 30)

30

Troubleshooting

Symptom

No power.

AM stations cannot be re-

ceived.

Buzzing noise on AM

(particularly conspicuous

at night or with weak sta-

tions).

High-pitched noise or

buzzing noise on AM.

Crackling noise on AM,

FM.

Tuning indicators and ste-

reo indicator light but

sound is distorted and

separation is bad.

Tuning indicators and

stereo indicator flicker

and hiss is heard on FM.

No station or undesired

station is recalled when a

Preset button is pressed.

The RDS function does

not work.

ACCUCLOCK function

does not work.

Remedy

• Connect power cord.

• Connect the supplied AM loop

antenna to the AM antenna

terminals.

• Move the AM loop antenna to

different position.

• Set up an outdoor AM antenna.

• Place the AM loop antenna as far

as possible from the TV.

• Move unit away from TV set.

• Move the antenna as far away as

possible from the fluorescent lamp.

• Install an outdoor FM antenna as

far away as possible from the road.

• Change to FM indoor antenna.

• Use antenna that has better

directivity and select a point with

the least distortion.

• Install an outdoor FM antenna.

• Change the position or direction of

the outdoor antenna.

• Switch to mono reception. (Even

stereo broadcasts will be heard in

mono.)

• The memory contents are lost if the

power is not turned on and off a

few times each month. Store all

stations in the memory again and

remember to turn the power on and

off a few times each month.

• Receive an RDS station.

• Install an outdoor FM antenna.

• Change the position or direction of

the outdoor antenna.

• Move the antenna as far away as

possible from fluorescent lamps.

• Install an outdoor FM antenna.

• See the remedies for the RDS

function problem above.

• Set and adjust according to

instructions above.

Cause

• Power cord is disconnected.

• AM loop antenna is not attached.

• Noise from electrical apparatus such

as fluorescent lamp.

• Noise from TV set.

• Noise caused by turning a fluorescent

lamp on and off.

• Noise from automobile ignition.

• Station is too strong.

• Multiple reflection of the radio waves

because of tall buildings or

mountains.

• Station is too weak.

• Stereo FM broadcasts cover only

about half the distance of an ordinary

broadcast.

• The power cord has been unplugged

for a long time.

• The station is not an RDS station.

• The reception station signal is too

weak.

• Too much interference.

• The station is not an RDS station, or

received signal is too weak.

• RDS broadcasts cannot be received.

• Excessive electrical interference may temporarily render this system’s sensitive microcomputer

inoperable. If this happens, unplug the system for at least five seconds.

Other Information

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