Akai GX-4000D Service Manual

SUPPLY REEL
TAGE
%
eLcock
TAKE-UP REEL
TAGLE O8LOCK
Fig. 6
LUTLIL EAU ATLLILLLUT DIMEN LAT OLY LECT ULLLL L RULLILEAS
AOJUSTMENT WASHER
Fig. 7
3. DRIVE BELT POSITION ADJUSTMENT
(Refer to Fig. 7)
Adjust position of drive belt so that it comes to the
center of the motor pulley by inserting a washer
(or washers) between the motor prop and mechanism
chassis as shown in Fig. 12.
4. FLYWHEEL LOOSE PLAY ADJUSTMENT
(Refer to Fig. 8)
With a minus screw driver, turn bearing to left and
right and adjust so that when the flywheel is moved
as indicated by the arrow mark in the figure, the gap
between the steel ball and flywheel supporting plate
is 0.3 mm as shown in Fig. 8. Fix at this position with
nut.
MICRO SWITCH
ADJUST WITH DRIVER
LELELLLSUS TSO LMLE ACAD LALIT S
MECHANISM CHASSIS
Fig. 8
A LEVER SHAFT———e{),
ot
5.
AUTOMATIC
SHUT-OFF
OPERATING
POINT
ADJUSTMENT
(Refer
to
Fig.
9)
Loosen
screws
(a)
and
(b)
and
adjust
installed
posi-
tion
of
Micro
Switch
so
that
when
AS
Lever
is
lowered
as
a
result
of
the
Power
Switch
being
set
to
SHUT-OFF
position,
the
gap
between
AS
Lever
is
about
5
mm.
i
se
eS
SS
Se

Akai GX-4000D Specifications

General

Track System	4-track, 2-channel, stereo/monaural system
Reel Size	Up to 7 inch reel
Tape Speeds	3 3⁄4 7 1⁄2 ips
Frequency Response	30Hz to 24kHz (7 1⁄2 ips)
Type	Reel to Reel
Heads	1 x erase
Motor	1 x capstan, 1 x reel
Wow and Flutter	0.08% (7.5 ips)
Output	0.775V (line)
Input	70mV (line)
Inputs	Line
Outputs	Line