Sony MDS-102/MD1 Service Manual

~ MDS-102/MD1SERVICE MANUAL¢MDS-MD71 is mini discrecorder in DHC-MD1.U.S. and foreign patents licensed fromDolby Laboratories Licensing Corporation. Photo: MDS-102AEP Model| UK ModelSingapore ModelMexican ModelTourist ModelMDS-102Canadian ModelAEP ModelSingapore ModelMDS-MD1Model Name Using Similar Mechanism | MDS-101Mechanism Type MDM-1CBase Unit Type MBU-1Optical Pickup Block Type KMS-140BSPECIFICATIONSMD recorder section (MDS-102)System MiniDisc digital audio systemDisc MiniDiscLaser: Semiconductor laserWavelength: 780 - 790nmLaser diode properties Material: GaAJAsEmission duration: continuousLaser output: less than 44.6 1W(This output is the value measuredat a distance of 200 mm from thelens surface on the optical pick-upblock.)Revolutions 400 rpm to 900 rpm (CLV)Error correction Advanced Cross Interleave ReedSolomon Code (ACIRC)Sampling frequency 44.1 kHzModulation system EFM (Eight-to-FourteenModulation)Number of channels 2 stereo channelsFrequency response 5 to 20,000 Hz + 0.5 dBWow and flutter Below measurable limitMICROFILMInputsStereo_| mini-jack 600 ohms {0.8 mVrms | 0.3 mVrmsMore than Vv 158 mV47 kilohms 500 mVrms mVrmsOpticalwavelenghth660 nm| PhonoSquareopticalconnectorjack—Continued on next page—MiniDisc RecorderSON Y.