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MDR-DS4000
SERVICE MANUAL
Ver. 1.1 2005. 02
US Model Canadian Model AEP Model E Model
� The MDR-DS4000 is comprised of headphones (MDR-IF4000) section and processor (DP-IF4000) section. Service manuals associated with their respective models are published. See the respective service manuals for details.
� MDR-DS4000 consists of the following models respectively. Cordless stereo headphones MDR-IF4000 Digital surround processor DP-IF4000
SPECIFICATIONS
Digital surround processor (DP-IF4000) Decoder functions Dolby Digital Dolby Pro Logic II DTS MPEG-2 AAC Virtual surround function OFF CINEMA MUSIC Compression function OFF ON Modulation System DQPSK-IM Secondary carrier wave frequency 3.75 MHz Transmission distance Approx. 7 m (23 ft) to the front Transmission range 12 � 24,000 Hz Distortion rate 1% or less (1 kHz) Audio inputs Optical input (rectangular-type) x 1 Analogue input (pin jack left/right) x 1 Audio output Optical output (rectangular-type) x 1 Power requirements DC 9 V (from the supplied AC power adaptor) Dimensions Approx. 160 x 160 x 200 mm (6 3/8 x 6 3/8 x 7 7/8 in) (w/h/d) Mass Approx. 400 g (15 oz) Cordless stereo headphones (MDR-IF4000) Playback frequency range 10 � 22,000 Hz Power requirements Rechargeable nickelmetal hydride batteries (supplied) or commercially available (size AAA) alkaline batteries Mass Approx. 300 g (11 oz) (including the supplied rechargeable nickelmetal hydride batteries) Supplied accessories AC power adaptor (9 V) (1) Rechargeable nickel-metal hydride batteries BP-HP550 (550 mAh min.) (2) Optical digital connecting cable (optical rectangular plug y optical rectangular plug, 1.5 m) (1) Operating Instructions (1) Design and specifications are subject to change without notice.
