Sony MDR DS4000 User Manual

1 Additional Information

If you run into any problems using this headphone system, use the following
checklist. Should any problem persist, consult your nearest Sony dealer.

No sound

, Check the connection between the processor and the AV component.

, Check that the signal is not being input to the digital out jack by mistake when

digital input is selected.

, Check that the connected AV component's optical digital output is set to "ON"

when selecting digital input.

, Turn on the AV component connected to the processor, and start the playback.

, Check that the INPUT SELECT switch on the processor is set to the

component you want to listen to.

, If you connect the processor to an AV component using the headphone jacks,

raise the volume level on the connected AV component.

, Make sure you are wearing the headphones correctly.

, Raise the headphone volume.

, The Muting function is activated.

• Check if there is any obstruction between the processor and the headphones.
• Use the headphones near the processor.
• Change the position or angle of the processor.
• If a plasma display is placed nearby, place the system farther away from it.

, 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.

, You are trying to play a DTS audio track on a DVD player that does not

support DTS.

• Either use a DVD player that supports DTS, or select a Dolby Digital or

PCM audio track.

, You are playing back a DVD disc recorded in DTS when DTS digital output

setting for the DVD player (including game machines) is “OFF.”

• See the instruction manual of your DVD player, and change the DTS digital

output setting to “ON.”

, You are playing back a DVD disc recorded in DTS when the DVD player

(including game machines) and the processor are analogue-connected.

• Use the digital connection. (Analogue sound may not be output from the

DVD player.)

, When you have another processor or transmitter, check if more than one

processor or transmitter is being used at the same time.

• Turn off other processor or transmitter or move to a place outside the range

of other processor or transmitter.