Akai GX-77 Service Manual

(a)
2
————9
G)
iit
BRAKE ARM
BRAKE PLUNGER
REEL TABLE (LEFT)
1. BRAKE BAND POSITION ADJUSTMENT
AND BRAKE TENSION ADJUSTMENT
(Refer to Figs. 30, 31, 32)
1) In STOP Position, make adjustment with the
screws (a) and (a’) so that the clearance (A) will
be 20 mm.
2) By working the brake plunger with fingers and
adjust the brake plunger position with the screw
A: 2mm
@ te
Vil. MECHANISM ADJUSTMENT
Fig. 30
Fig. 31
(>) so that the clearance (B) between the brake
cloth and brake band will be about 1 mm.
3) Work the brake plunger to check that the brake
band is not slanted.
4) In STOP Position, change and adjust the spring
position so that the brake tension of 400 + 30 g is
obtained on both the brakes.
(Use a 500 g spring gauge for a reel with 60 mm
diameter of tape).
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26

Akai GX-77 Specifications

General

Track System	4-track, 2-channel stereo
Tape Speed	3 3/4 ips, 7 1/2 ips
Wow and Flutter	0.03% (19 cm/s)
Heads	3
Motors	3
Dimensions	440 x 244 x 358mm
Inputs	Line input (RCA)
Outputs	Line, Headphones