Aiwa-AMF72-md-sm维修电路原理图.pdf
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Aiwa-AMF72-md-sm维修电路原理图.pdf
SERVICE MANUALDATAMINIDISIC RECORDERAM-C75AM-F72AEZAEZS/M Code No. 09-003-422-0S1SUPPLEMENT This Service Manual contains information about the difference between AM-C75/F72 (AEZ) and AM-F75 (AEZ). If requiring the other information, see ServiceManual of AM-F75 (AEZ). (S/M Code No. 09-99B-422-0R1).BASIC MD MECHANISM : ZZG-A R1RadioFans.CN 收音机爱 好者资料库 2 Main unitPlayback systemMiniDisc digital audio systemLaser pickupSemiconductor laserRecording systemMagnetic polarity modulationoverwrite systemRevolutionsApprox. 400 to 900 rpm (CLV)Sampling Frequency44.1 kHz, with built-in samplingfrequency rate converterNumber of channelsStereo: 2 channelsMonaural: 1 channelModulation systemEight to Fourteen Modulation (EFM)A/D, D/A converter1-bitFrequency response20 to 20,000 Hz 1 dBWow and FlutterBelow measurable limit(0.00 1% W.PEAK)InputMICLINEOPT (digital)Jack typeStereoStereoOPTICALmini-jackmini-jackmini-jackRated input level1.1 mV280 mVMinimum input level0.4 mV100 mVOutputOUTPUT / PHONESJack typeStereo mini-jackMaximum output level10 mW + 10 mWLoad impedance16 ohmsPower requirementsDC 3.6 V using the supplied lithium-ionrechargeable battery LIB902AC house current using the supplied AC adaptorACD401.Battery lifeUsing the supplied rechargeable batteryApprox. 11.5 hours for playbackApprox. 5 hours for recordingDimensionsApprox. 78.8 (W) X 18.8 (H) X 86.8 (D) mm(31/8 X 3/4 X 31/2 inches)WeightApprox. 163 g (6 oz) including therechargeable battery.AC adaptor (ACD401)OutputDC 4.5 VRated voltageAC 230 V, 50 HzSuppplied headphones HPM056/HP-057TypeIn-ear typeImpedance16 ohmsSensitivity94 dB/mWRecommended commerically available headphonesTypeIn-ear type / Vertical type / Headband typeImpedance16 ohmsSensitivity91 99 dB/mWSPECIFICATIONS Design and specifications are subject to change without notice.RadioFans.CN 收音机爱 好者资料库 7 SCHEMATIC DIAGRAM 1 (MAIN)RadioFans.CN 收音机爱 好者资料库
