STA-3180/3190  (310-3027/28)     Troubleshooting       Faxback Doc. # 9683

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

Symptom                     Cause                  Solution

Power does not come on      The power cord is      Secure the power
when you press POWER.       disconnected.          cord.


No sound.                   Volume is set to Min.  Turn VOLUME clockwise.

                            Speaker wires are not  Connect the speaker
                            connected.             wires.

                            One or both input      Connect all input
                            cords are              cords.
                            Disconnected.

                            TAPE 2 MONITOR is      Press TAPE 2 MONITOR
                            selected.              again.

Sound is produced from      One of the speaker     Check all connections.
only one speaker.           wires or input cords
                            are disconnected.

                            BALANCE is set too     Set BALANCE to the
                            far to one side.       center position.

A noise is produced when    AM loop antenna is     Place the AM antenna as
you listen to an AM         picking up electrical  far away as possible
broadcast and another       noise.                 from the other
component's power switch                           component.
is operated.

Popping or crackling        A speaker wire is      Check all speaker
noise from one or           loose.                 connections to be sure
more speakers.                                     they are secure.

High noise level.           Station has not been   Correctly tune to a
                            tuned.                 station.

                            Antenna is not         Connect the antenna.
                            connected.

                            FM reception

                            Supplied FM antenna    Fully extend the
                            not extended.          supplied antenna wire.

                            Weak broadcast         Use a better antenna.
                            station.

                            Noise picked up from   Alter the position of
                            other equipment        the antenna and
                            (particularly from     position it as far as
                            passing automobiles).  possible from passing
                                                   traffic.

                            Multipath interfer-    Use high-quality 75ohms
                            ence from reflected    antenna cable and try
                            signals.               rotating the antenna
                                                   for the best reception.

                            AM Reception

                            AM antenna not         Reorient the AM
                            pointing in the        antenna.
                            right direction.

                            Weak broadcasting      Use an outdoor Am
                            station.               antenna or connect the
                                                   ground wire.

                            Noise being picked     Move the stereo or
                            up from other equip-   interfering appliance.
                            ment (especially
                            electrical appliances
                            that use a motor of
                            fluorescent lights).

Tuning does not             Stations are too       Use a better antenna.
automatically stop          weak.
when searching for
stations.

Remote control does         Batteries are dead     Install batteries.
not work.                   or missing.

                            Poor angle or too      Use within 23 feet and
                            great a distance       with a 30-degree angle
                            from the remote        of the remote sensor
                            sensor window.         window.

                            There is an obstacle   Change your position or
                            between you and the    remove the obstacle.
                            remote sensor window.

                            For CD players and     Connect the remote
                            cassette decks, the    control cord.
                            remote control cord
                            is not connected.

                            A fluorescent light    Turn off the light.
                            is shining on the
                            remote sensor window.

(br/all-02/23/95)