Aiwa AM-C75 AEZ User manual

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-422-0R1).
BASIC MD MECHANISM : ZZG-A R1

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Main unit
Playback system MiniDisc digital audio system
Laser pickup Semiconductor laser
Recording system Magnetic polarity modulation
overwrite system
Revolutions Approx. 400 to 900 rpm (CLV)
Sampling Frequency 44.1 kHz, with built-in sampling
frequency rate converter
Number of channels Stereo: 2 channels
Monaural: 1 channel
Modulation system Eight to Fourteen Modulation (EFM)
A/D, D/A converter 1-bit
Frequency response 20 to 20,000 Hz ±1 dB
Wow and Flutter Below measurable limit
(±0.00 1% W.PEAK)
Input
MIC LINE OPT (digital)
Jack type Stereo Stereo OPTICAL
mini-jack mini-jack mini-jack
Rated input level 1.1 mV 280 mV –
Minimum input level 0.4 mV 100 mV –
Output
OUTPUT / PHONES
Jack type Stereo mini-jack
Maximum output level 10 mW + 10 mW
Load impedance 16 ohms
Power requirements DC 3.6 V using the supplied lithium-ion
rechargeable battery LIB–902
AC house current using the supplied AC adaptor
AC–D401.
Battery life Using the supplied rechargeable battery
Approx. 11.5 hours for playback
Approx. 5 hours for recording
Dimensions Approx. 78.8 (W) X 18.8 (H) X 86.8 (D) mm
(31/8X 3/4X 31/2inches)
Weight Approx. 163 g (6 oz) including the
rechargeable battery.
AC adaptor (AC–D401)
Output DC 4.5 V
Rated voltage AC 230 V, 50 Hz
Suppplied headphones HP–M056/HP-057
Type In-ear type
Impedance 16 ohms
Sensitivity 94 dB/mW
Recommended commerically available headphones
Type In-ear type / Vertical type / Headband type
Impedance 16 ohms
Sensitivity 91 – 99 dB/mW
SPECIFICATIONS
• Design and specifications are subject to change without
notice.

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SCHEMATIC DIAGRAM–1 (MAIN)