Optimus STAV-3670 - Manual (Page 24)

24
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 remote control to return the controls to the following set-
tings.
Problem Cause Suggestion
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 the
receiver.
• Unplug the power cord, then plug it in again. (If
static electricity is a problem, use the remote con-
trol 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 .
• TAPE 2 function is engaged. • Press TAPE 2 so TAPE 2 clears 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. • Check and 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
pointing in the correct direction.
• Stretch both ends of the antenna taut and reposi-
tion the antenna.
• AM loop antenna not pointing in
the correct direction.
• Adjust the AM loop antenna.
• Noise is coming from another elec-
trical appliance.
• Try using an AC line noise filter to reduce the
noise.
Automatic tuning does not 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 pro-
tection method.
• You cannot make a good 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 is 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.
Tape 2 Monitor Off
Source TUNER
Band
FM (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