Problem-Solving - Optimus STA-795 Owner's Manual

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PROBLEM-SOLVING
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 where our personnel will assist you.
Problem
No power (All indicators are off.)
No sound
Cause/Remedy
Press POWER.
Be sure the power cord is plugged in.
Try a different AC outlet.
If you are listening to a signal source other
than the tape deck, be sure the TAPE MON
indicator is off. If necessary, press TAPE
MON so that the indicator goes off.
Check the SPEAKERS buttons. If you con¬
nect only one pair of speakers, press only
the corresponding SPEAKERS button.
Check the signal source connections. Be
sure you have selected the correct signal
source.
Check the speaker connections.
An overload protection circuit might have
turned off the amplifier. Press POWER to
turn off the receiver. Then, check the follow¬
ing:
Be sure the speakers are correctly con¬
nected. Be sure there are no stray wire
strands touching other wire strands or
metal objects.
Be sure the receiver is adequately venti¬
lated.
Be sure the speakers have an im¬
pedance of 8 to 16 ohms.
17
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