Akai GXC 570 D Service Manual

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AKA]

MODEL GXC-57OD

PRELIMINARY SERVICE MANUAL

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PRELIMINARY SERVICE .MANUAL

MODEL

G XC -570Dr

No. 1

DATE August 1976

Technical Data

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Track System
Tape

Tape Speed

Wow and Flutter

Frequency Response

Distortion

Signal to Noise Ratio

Erase Ratio
Bias Frequency

Heads
Motors
Fast Forward and Rewind Time

Output Jacks
Input Jacks

Semiconductors

Power Requirements

Dimensions

Weight

4 track 2 channel stereo system

Philips type cassette

1-7/8 ips. (Pitch Control :5%)

Less than 0.06% WRMS

Less than 0.17% (DIN 45500)

30 Hz to 15,000 Hz (:3 dB), using low noise tape

30 Hz to 16,000 Hz (:3 dB), using Cr02 tape

30 Hz to 19,000 Hz (:3 dB), using Fe-Cr tape
Less than 1% (1,000 Hz "0" VU),using low noise tape

Better than 52 dB (measured Via tape with peak
recording level of +5 VU)

Dolby Switch 0N: Improves up to 10 dB above 5 kHz
Better than 70 dB
100 kHz

GX recording/playback head and erase head
(3 head system)

One AC Servo outer-rotor motor for capstan drive
and two DC motors for reel drive

60 to 80 seconds (Variable) using a C-60
cassette tape

Line(2): 0.775V ("0" VU) Required load
More than 20 k ohms

50 mV/8 ohms
Microphone(2): 0.3 mV.
Impedance: 600 ohms
Line(é): 70 mv/ioo k ohms

Transistors llO, Diodes 159, FETs 12, 105 9

CSA, UL and LA Models: 120V, 60 Hz only

CEE Models: 220V, 50 Hz only

Other Models: 100v to 240V, 50/60 Hz,(Switchable)
440(w) x 255(H) x 225(D)nm

(17.3 x 10.0 x 8.9")

13.5 kg (28.5 lbs)

Impedance:
Phon0(l):

Required microphone

AKAI ELECTRIC CO., LTD.

(P.0480X 21, Tokyo International Airport, Japan)

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