Owner's Manual

59
Troubleshooting —Continued
Symptom Possible cause Remedy
Audio
The surround back
speakers produce no
sound?
The level of the surround back speaker is set
at minimum.
Check the volume of the surround back speaker
(page 49).
The Surround Back setting is set to None in
the Speaker Configuration.
Check the Surround Back setting in the Speaker
Configuration (page 50).
The selected listening mode doesn’t use the
surround back speakers.
Select another listening mode. See page 41 for
information on listening modes.
Surround speaker output depends on the
source material, and some material may not
use the surround speakers much.
If you’re playing a Dolby Digital EX or
DTS-ES source, make sure that the Dolby Dig-
ital/DTS setting is set to On (page 44).
A low-frequency noise or
hum can be heard?
The audio connecting cables at the rear of
the HT-R820THX are too close to the
power cord.
Untangle the audio cables and position them as
far away as possible from the power cord.
The sound is too bright
or harsh and the high
range is not clear?
The treble is set too high. Adjust the treble (page 38).
The subwoofer is not
working or is very quiet?
The Subwoofer setting is set to No in the
Speaker Configuration.
Check the Subwoofer setting in the Speaker
Configuration (page 50).
The SKW-820 subwoofer’s OUTPUT LEVEL
control is set to minimum.
Turn up the SKW-820 subwoofer’s OUTPUT
LEVEL control.
The RCA cable is not properly connected to
the subwoofer’s LINE INPUT.
Make sure that the RCA cable is properly con-
nected to the subwoofer’s LINE INPUT.
The volume of the subwoofer was too low and
the subwoofer entered Standby mode.
Check the volume of the subwoofer (pages 39,
49).
Speaker set A is turned off. The subwoofer
output does not work while only speaker set
B is on.
Turn on speaker set A.
Video
There’s no picture on the
TV?
The TV’s input selector is set incorrectly.
Select the correct input on the TV (i.e., the input
to which the HT-R820THX is connected).
The video input and output are different for-
mats.
The HT-R820THX doesn’t convert between
video formats. It works as a video signal
switcher. Composite video input signals are
output only by composite video outputs.
S-Video input signals are output only by
S-Video outputs. And component video input
signals are output only by component video
outputs.
HT-S870_En.book Page 59 Monday, September 13, 2004 5:15 PM