Optimus PROFFESIONAL SERIES STAV-3370 - Manual (Page 25)

25
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 Radio Shack store for assistance.
Returning Controls to
Factory Defaults Press RETURN to return the controls to the following settings.
Problem Cause Solution
Power does not turn on. • Power cord is disconnected. • Plug in the power cord.
• Protection circuit is activated. • Unplug the power cord, then plug it in
again.
The receiver does not respond to
button presses.
• Static discharge has affected control. • Unplug the power cord, then plug it in
again. (If static electricity is a prob-
lem, try to use the remote control as
much as possible.)
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 .
No picture when you select a video
source. • The selected video source is not set
correctly.
• Correct the problem with the selected
video source.
• Incorrect connections. • Correct the connections.
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.
Cannot make copies of video tapes. • Tapes are protected by a copy
restriction method.
• You cannot make a good copy.
• Video connections are incorrect. • Check and correct the connections.
Tape 2 Monitor Off
Source TUNER
Speakers A On
Band
FM or AM (Set to the last-tuned frequency. If the
receiver cannot receive the frequency, it starts
searching for the next strong station.)
Surround Mode Off
Muting Off
Super Bass Off