Akai GX-635D Service Manual

I-I. CIRCUIT CONSTRUCTION
OF
ICI M544IOP
The design
oi M54410P
until now
trad STOP,
pt-nY.
REC,
FF, RWD,
PAUSE and
REC
preventing
AR as
its input
terminals. GX-635D
circuit
is
constructed
with
FWD in
place
of
PAUSE
and
REV in
place
of
PLAY. Pause is controlled
by a
flip flop with
a
separate
IC.
l)
Block Diagram
ST
T
I
I
)
I
--'l
4.,
\)7
'--
I
I
I
FAST
FF
Fig. 4
M544l0P
/.
1
I
@
l8

Akai GX-635D Specifications

General

Track system	4-track, 2-channel stereo
Total Harmonic Distortion	0.8%
Outputs	0.775V (line)
Type	Reel to Reel
Heads	3 heads
Motor	2 x reel, 1 x capstan
Reel size	up to 10.5 inch reel
Wow and flutter	0.06% (7 1⁄2 ips)
Frequency response	30Hz to 26kHz (7 1/2 ips)
Signal to Noise Ratio	62dB
Dimensions	440 x 440 x 240 mm (17.3 x 17.3 x 9.4 inches)
Output Voltage	0.775V
Tape speeds	3 3/4 ips, 7 1/2 ips