Optimus STA-3500 - Manual (Page 20)

20
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
when only one set of speakers is
connected.
• Press SPEAKERS button again for
the terminals that have no speakers.
• TAPE 2 MONITOR is selected. • Press TAPE 2 MONITOR again.
Sound is produced from only one
speaker. • One of the speaker wires or input
cord is disconnected.
• Check all connections.
• 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-
ing in the correct direction.
• Stretch both ends of the antenna taut
and reposition the antenna.
• AM loop antenna not pointing in the
correct direction.
• Adjust the AM loop antenna.
• Noise is coming from another electri-
cal appliance.
• Try using an AC line noise filter to
reduce the noise.
Tuning does not automatically stop
when searching for FM stations. • Stations are too weak. • Use a better antenna.
Remote control does not work. • Batteries are dead or missing. • Install fresh batteries.
• Poor angle or too great a distance
from the remote sensor window.
• Use within 23 feet and within a 30-
degree angle of the remote sensor
window.
• There is an obstacle between you
and the remote sensor window.
• Change your position or remove the
obstacle.
• For CD players and cassette decks,
the remote control cord is not con-
nected.
• Connect the remote control cord.
• A fluorescent light is shining on the
remote sensor window.
• Turn off the light.
Remote does not control cassette
deck or CD player. • Cassette deck or CD changer not
compatible.
• Control cable is not plugged in.
• Audio cables are not plugged in.
• The feature only works with Optimus
Professional Series components.
• Properly connect the control cable.
• Properly connect the audio cables.