Optimus STA-3500 owner manual Troubleshooting, Problem, Cause, Solution

Models: STA-3500

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Troubleshooting

Troubleshooting

If the receiver is not working as it should, the following suggestions might help. If you follow the suggestions in this chart and the receiver still does not work properly, contact your local RadioShack store for assistance.

Problem

 

Cause

 

Solution

 

 

 

 

 

 

 

 

 

 

Power does not turn on.

Power cord is disconnected.

Plug in the power cord.

 

 

 

 

 

No sound.

Incorrect connections.

Check and correct the connections.

 

The mute function is activated.

Press MUTING.

 

The volume is turned down.

Turn up the volume.

 

Speaker wires are disconnected.

Connect the speaker wires.

 

Neither set of speakers is selected.

Press in SPEAKERS A or B.

 

Both SPEAKERS A and B are pressed

• Press SPEAKERS button again for

 

 

when only one set of speakers is

 

the terminals that have no speakers.

 

 

connected.

 

 

 

TAPE 2 MONITOR is selected.

Press TAPE 2 MONITOR again.

 

 

 

 

 

Sound is produced from only one

One of the speaker wires or input

Check all connections.

speaker.

 

cord is disconnected.

 

 

 

BALANCE is set too far to one side.

Set BALANCE to the center position.

 

 

 

 

 

High noise level.

Station not correctly tuned.

Tune to a stronger station.

 

Antenna not connected.

Connect the antenna.

 

FM antenna still coiled or is not point-

Stretch both ends of the antenna taut

 

 

ing in the correct direction.

 

and reposition the antenna.

 

• AM loop antenna not pointing in the

Adjust the AM loop antenna.

 

 

correct direction.

 

 

 

Noise is coming from another electri-

• Try using an AC line noise filter to

 

 

cal appliance.

 

reduce the noise.

 

 

 

 

 

Tuning does not automatically stop

Stations are too weak.

Use a better antenna.

when searching for FM stations.

 

 

 

 

 

 

 

 

 

Remote control does not work.

Batteries are dead or missing.

Install fresh batteries.

 

 

 

 

• Poor angle or too great a distance

• Use within 23 feet and within a 30-

 

 

from the remote sensor window.

 

degree angle of the remote sensor

 

 

 

 

window.

 

• There is an obstacle between you

Change your position or remove the

 

 

and the remote sensor window.

 

obstacle.

 

• For CD players and cassette decks,

Connect the remote control cord.

 

 

the remote control cord is not con-

 

 

 

 

nected.

 

 

 

• A fluorescent light is shining on the

Turn off the light.

 

 

remote sensor window.

 

 

 

 

 

 

 

Remote does not control cassette

Cassette deck or CD changer not

The feature only works with Optimus

deck or CD player.

 

compatible.

 

Professional Series components.

 

Control cable is not plugged in.

Properly connect the control cable.

 

Audio cables are not plugged in.

Properly connect the audio cables.

 

 

 

 

 

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Optimus STA-3500 owner manual Troubleshooting, Problem, Cause, Solution