Sony MDR DS4000 - Manual (Page 24)

Additional Information
24 GB
Symptom Cause and remedy
Distorted or
intermittent sound
(sometimes with
noise)
Low sound
Loud background
noise
The sound cuts off
The surround
sound effect is
not obtained
The DOLBY
DIGITAL indicator
does not turn on
, The headphones’ POWER indicator light dims, flashes, goes off, or the sound
becomes distorted or intermittent.
• Charge the rechargeable batteries if they are weak, or replace alkaline
batteries with new ones. If the POWER indicator is still off after charging the
batteries, take the headphones to a Sony dealer.
, Check if there is any obstruction between the processor and the headphones.
, Check that the infrared sensors are not covered with your hands or hair.
, If you use the headphones by a window where the sunlight is too strong, draw
the curtains/blinds to shut out the direct sunlight, or use the headphones
away from the sunlight.
, Change the position or angle of the processor.
, When analogue input is selected, change the ATT switch on the processor to
"–8dB."
, If you connect the processor to an AV component using the headphone jacks,
lower the volume level on the connected AV component.
, When using DTS audio sources, set the EFFECT switch on the processor to
“CINEMA” or “MUSIC” mode (page 17, 18).
, When analogue input is selected, change the ATT switch on the processor to
"0dB."
, If you connect the processor to an AV component using the headphone jacks,
raise the volume level on the connected AV component.
, Raise the headphone volume.
, If you connect the processor to an AV component using the headphone jacks,
raise the volume level on the connected AV component.
, The headphones’ POWER indicator light dims, flashes, goes off, or the sound
becomes distorted or intermittent.
• Charge the rechargeable batteries if they are weak, or replace alkaline
batteries with new ones. If the POWER indicator is still off after charging the
batteries, take the headphones to a Sony dealer.
, If a plasma display is placed nearby, place the system farther away from it.
, The processor stops sending signals, if 10 minutes passes and no signal has
been input.
• Set the ATT switch on the processor to “0dB.”
• If you connect the processor to an AV component using the headphone
jacks, raise the volume level on the connected AV component.
, Set the EFFECT switch on the processor to “CINEMA” or “MUSIC” mode
(page 17,18).
, The audio being played is not a multichannel signal.
• The surround effect does not work for monaural sound sources.
, The digital audio output setting for the DVD player (including game
machines) may be set to “PCM.”
• See the instruction manual of your DVD player, and change the setting
(such as “Dolby Digital/PCM” or “Dolby Digital”) for usage with
components having built-in Dolby Digital decoders.
, Playback signals are not recorded in Dolby Digital format.
, The audio for the chapter being played is not a Dolby Digital signal.