31
TROUBLESHOOTING
PROBLEm
SOLUTION
Power
Unit does not power up.
ON/Standby button Backlight does not illuminate
a) Confirm Power Cord is plugged in to an
unswitched 110V AC Outlet.
b) Confirm Main Power Switch on Vital 710 Rear Panel
is in the ON position.
Audio
No Sound From Speakers
Subwoofer does not turn ON/OFF with speakers
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.
Video
No Video Signal on TV or Video Display
a) Confirm source video connections.
b) Confirm video connection from Vital 710 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.
Tuner
No Reception
Bad Reception
a) Confirm AM/FM antenna connections to Vital 710.
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.
No Preset Channels
a) Confirm Preset programming.
Remote Control
Remote does not control Vital 710
a) Replace batteries in remote.
b) Confirm direct ‘line-of-sight’ from the remote to the
IR Sensor on the Vital 710 front Panel.
c) Block any bright light or high ambient light that
may be saturating the IR Sensor with light noise.
