Troubleshooting - Sony HT-K250 Operating Instructions Manual

Troubleshooting

If you experience any of the following
difficulties while using the control center, use
this troubleshooting guide to help you remedy
the problem. Should any problem persist,
consult your nearest Sony dealer.
When bringing the system in for repairs, be sure
to bring in the entire system (control center and
subwoofer). This product is system product, and
the entire system is needed to determine the
location requiring repair.
The multi channel surround effect of the Dolby
Digital or DTS is not obtained.
• Check that the DVD software, etc. is recorded in
Dolby Digital or DTS.
• If you connect the DVD player, etc. to the digital
input jack on this system, check the audio setting
(for digital audio output) of the component
(page 7).
• Check that the audio track is correctly selected on
the DVD player. (Check the audio setting of the
DVD menu.)
There is no sound or only a very low-level
sound is heard.
• Check that the speakers and components are
connected securely.
• Check that you have selected the correct
component on the control center.
• Press MUTING if muting function is activated.
The left and right sounds are unbalanced or
reversed.
• Check that the speakers and components are
connected correctly and securely.
• Adjust balance parameters in the LEVEL menu.
There is severe hum or noise.
• Check that the speakers and components are
connected securely.
• Check that the connecting cords are away from a
transformer or motor, and at least 3 meters away
from a TV set or fluorescent light.
• Move your TV away from the audio components.
• The plugs and jacks are dirty. Wipe them with a
cloth slightly moistened with alcohol.
There is no sound from the center speaker.
• If you connect the DVD player, etc. to the digital
input jack on this system, check the audio setting
(for digital audio output) of the component
(page 7).
GB
30
• Make sure the sound field function is on (press
SOUND FIELD +/–).
• Select the CINEMA STUDIO EX mode
(page 21).
• Adjust the speaker level (page 27).
There is no sound or only a very low-level
sound is heard from the surround speakers.
• If you connect the DVD player, etc. to the digital
input jack on this system, check the audio setting
(for digital audio output) of the component
(page 7).
• Make sure the sound field function is on (press
SOUND FIELD +/–).
• Select the CINEMA STUDIO EX mode
(page 21).
• Adjust the speaker level (page 27).
The surround effect cannot be obtained.
• Make sure the sound field function is on (press
SOUND FIELD +/–).
The FM reception is poor.
• Use a 75-ohm coaxial cable (not supplied) to
connect the receiver to an outdoor FM antenna as
shown below. If you connect the receiver to an
outdoor antenna, ground it against lightning. To
prevent a gas explosion, do not connect the ground
wire to a gas pipe.
Outdoor FM antenna
ANTENNA
FM
75 COAXIAL
To ground
Radio stations cannot be tuned in.
• Check that the antennas are connected securely.
Adjust the antennas and connect an external
antenna if necessary.
• The signal strength of the stations is too weak
(when tuning in with automatic tuning). Use
manual tuning.
• No stations have been preset or the preset stations
have been cleared (when tuning by scanning
preset stations). Preset the stations (page 19).
AM
U
Ground wire
(not supplied)