Optimus STAV-3680 - 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 RadioShack store for assistance.
Returning Controls to
Factory Defaults Press RETURN on the receiver 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 problem, use the re-
mote control whenever 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 .
Tape 2 monitor function is engaged. Press TAPE 2 MONITOR so TAPE 2 disap-
pears from the display.
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 re-
position 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.
Cannot make copies of video
tapes. Tapes are protected by a copy restric-
tion method. You cannot make a usable copy.
Video connections are incorrect. Check and correct the connections.
Remote does not control cas-
sette deck or CD player. Cassette deck or CD player not com-
patible. This feature works only with Optimus Profes-
sional Series components.
Control cable is not plugged in. Properly connect the control cable.
Audio cables are not plugged in. Properly connect the audio cables.
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
Loudness Off
Muting Off