Aiwa-AMF72-md-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL DATA MINIDISIC RECORDER AM-C75 AM-F72 AEZ AEZ S/M Code No. 09-003-422-0S1 SUPPLEMENT This Service Manual contains information about the difference between AM-C75/ F72 (AEZ) and AM-F75 (AEZ). If requiring the other information, see Service Manual of AM-F75 (AEZ). (S/M Code No. 09-99B-4

2、22-0R1). BASIC MD MECHANISM : ZZG-A R1 RadioFans.CN 收音机爱 好者资料库 2 Main unit Playback systemMiniDisc digital audio system Laser pickupSemiconductor laser Recording systemMagnetic polarity modulation overwrite system RevolutionsApprox. 400 to 900 rpm (CLV) Sampling Frequency44.1 kHz, with built-in samp

3、ling frequency rate converter Number of channelsStereo: 2 channels Monaural: 1 channel Modulation systemEight to Fourteen Modulation (EFM) A/D, D/A converter1-bit Frequency response20 to 20,000 Hz 1 dB Wow and FlutterBelow measurable limit (0.00 1% W.PEAK) Input MICLINEOPT (digital) Jack typeStereoS

4、tereoOPTICAL mini-jackmini-jackmini-jack Rated input level1.1 mV280 mV Minimum input level0.4 mV100 mV Output OUTPUT / PHONES Jack typeStereo mini-jack Maximum output level10 mW + 10 mW Load impedance16 ohms Power requirementsDC 3.6 V using the supplied lithium-ion rechargeable battery LIB902 AC hou

5、se current using the supplied AC adaptor ACD401. Battery lifeUsing the supplied rechargeable battery Approx. 11.5 hours for playback Approx. 5 hours for recording DimensionsApprox. 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 the rechargeable batt

6、ery. AC adaptor (ACD401) OutputDC 4.5 V Rated voltageAC 230 V, 50 Hz Suppplied headphones HPM056/HP-057 TypeIn-ear type Impedance16 ohms Sensitivity94 dB/mW Recommended commerically available headphones TypeIn-ear type / Vertical type / Headband type Impedance16 ohms Sensitivity91 99 dB/mW SPECIFICATIONS 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)