Akai GX-747 dbx

VII. MECHANISM ADJUSTMENT
(a)
TAPE
MOTOR ARM
0.1 to 0.3mm MICRO SWITCH (B)
MICRO SWITCH (B)
(b)
0
0
MICRO SWITCH (A)
Fig. 7-2
TAPE GUIDE
MICRO
SWITCH(A)
(c)
Fig. 7-1 Roller Block
CAPSTAN MOTOR
SCM-200
I
f--------,
~----+-1 --- I
I I
--, ---1
I I
I I
I I
-:i<· 0.1 to 0.2mm
I I
I I :i(
FIXATION NUT
1..,._:
I I
:---------9
I I ~
i=====~=-:.-:.-,j
I
I I
-j-·- --1
Fig. 7-3
1. GUIDE ROLLER LOOSE PLAY
ADJUSTMENT (Refer to Fig. 7-1)
Adjust the stopper B (roller pulley on the right)
screw ( c)
so that the loose play gap is approximately
0.1 mm when the guide roller
is moved as indicated
by arrow mark in Fig. 7-1.
2. MICRO SWITCH POSITION ADJUSTMENT
(Refer to Fig. 7-1)
1) Micro Switch (A) Position Adjustment
Adjust the screw (a)
so that the gap between the
arm cam and the micro switch
is approximately
0.3 to 0.5 mm. Check that the micro switc!J. works
and that the arm lock smoothly disengages.
---------------- SERVICE MANUAL GX-74 7dbx ----------------
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