Troubleshooting - Proficient Audio Systems M40 User Manual

PROBLEM
Power
Unit does not power up
ON/Standby button Backlight does not illuminate
Audio
No Sound From Speakers
Subwoofer does not turn ON/OFF with speakers
Video
No Video Signal on TV or Video Display
Tuner
No Reception
Bad Reception
No Preset Channels
Remote Control
Remote does not control M40

TROUBLESHOOTING

SOLUTION
a) Confirm Power Cord is plugged in to an unswitched 110V
AC Outlet.
b) Confirm Main Power Switch on M40 Rear Panel is in the ON
position.
a) Confirm source audio connections.
b) Confirm speaker connections.
c) Confirm speakers are turned on.
d) Confirm volume is turned up and un-muted.
e) Confirm source is selected, turned on and playing.
f ) If connected, unplug headphones.
g) Confirm Pre-Out/Main In Jumper connections.
h) Confirm Tape Monitor is OFF if not the desired source
i) Set Sub Out Link S/W Switch to ON.
j) Confirm Sub Out Trigger connection.
a) Confirm source video connections.
b) Confirm video connection from M40 Monitor OUT to TV/
Video Display Composite Video IN.
c) Confirm proper TV/Video Display Composite Video Input is
selected.
d) Confirm source is selected, turned on and playing.
a) Confirm AM/FM antenna connections to M40.
b) Confirm antenna(s) are in best position for optimum
reception.
c) Move antenna away from possible sources of interference
such as computers, microprocessors, fluorescent lights,
motors, etc.
a) Confirm Preset programming.
a) Replace batteries in remote.
b) Confirm direct 'line-of-sight' from the remote to the IR
Sensor on the M40 front Panel.
c) Block any bright light or high ambient light that may be
saturating the IR Sensor with light noise.
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