Polk Audio SURROUNDBAR 400 - Manual (Page 14)

SYMPTOM DIAGNOSIS REMEDY
No sound Receiver “off,” or in standby mode;
selected source not active, volume
low or system muted; speaker wires
and/or component interconnect cables
not connected properly. Turn on receiver; select appropriate source,
turn up volume, unmute; check wiring.
No surround sound effect No surround content in program material;
two channel source and receiver set to
stereo; surround sound processing disabled;
surround channel volume settings too low. Enable surround sound processing: use
PLII or PLIIx for stereo program material
(note that some programs will not have
any stereo or surround effects); check
surround channel levels in receiver’s
setup menu and increase if appropriate.
Dialogue hard to hear
or understand Center channel not wired properly; poor
audio mix; center channel level too low;
improper placement; poor room acoustics. Check wiring; check center channel level
in receiver’s setup menu and increase if
appropriate; speaker may be obstructed
by furniture. Move speaker so that it’s
not “buried” in a cabinet, must have
a direct line of sight to listening area.
No bass or not
enough bass Subwoofer turned off; sub volume too low;
bad/disconnected wire; subwoofer disabled
in receiver’s loudspeaker configuration menu. Turn on subwoofer; turn up subwoofer
volume; replace/connect wire; in receiver’s
speaker configuration menu, check to make
sure subwoofer is enabled (if applicable).
Voices sound boomy,
chesty and unnatural Subwoofer volume too high; sub crossover
(low-pass filter) set too high; subwoofer
phase setting not optimal. Turn down subwoofer volume; reduce
crossover frequency setting on receiver;
change subwoofer polarity; move sub-
woofer closer to SurroundBar and/or
away from corner.
No sound from one
or more channels Poor connections to receiver and/or
SurroundBar 500 CHT SDA Control
Module; poor connections to
SurroundBar 400 CHT bar. Check speaker wiring connections from
the receiver to the SurroundBar 400 CHT
or the SurroundBar 500 CHT SDA Control
Module; verify that all channels are playing
properly by using receiver’s speaker test
tone calibration facility in setup menu.
Harsh, distorted sound
at very high volume Speaker overdriven at low frequencies;
system has reached its maximum capacity. Choose “small” speaker under speaker
setup and set crossover frequency to
150Hz or higher.
Voices, music sound thin,
lack body, sounds unnatural,
“phasey” or sound is incoherent Speaker cable polarity incorrect; inappropriate
surround processing or surround channel
levels set too high; speaker damaged. Check speaker wiring; select another
surround sound mode; reduce surround
channel levels. Repair speaker.
Receiver clicks off Short circuit Receiver not compatible with SurroundBar.
14 Polk Audio Customer Service 800-377-7655 (Outside USA & Canada: 410-358-3600)