Akai GX-230 Service Manual page 16

A . l j u s t m e n t
I t e m
C o m b i n a t i o n H e a d
H e i g h t A d j u s t m e n t
T e s t T a o e
S u p p i v S i g n a l
o p t i o n a i
Adjustment
P o i n t
( A X B ) ( C )
Remarks
U p p e r e d g e o f c h . I h e a d c o r e a n d t h e
upper edge of the tape are the same
height.
[rWD Plavback Head
H e i e h t . { , d i u s t m e n t
o p t i o n a i
( D X E X F )
Upper edge of ch. t head core and the
upper edge of the tape are the same
height.
R E V P l a v b a c k H e a d
H e i g h t A d j u s r m e n t
o p t l o n a l
REV
( G X H X I )
Lower edge of ch. i head core and the
lower edge of the tape are the same
heieht.
IrWD Plavback Head
A z i m u t h A l i g n m e n t
A d i u s t m e n t
8.000 Hz.
3 - 3 l 4 i p s
t e s t t a D e
( F )
|
I
I
I
M a x i m u m o u t p u t . b o t h c h a n n e l s .
FWD Plavback Head
G a p A l i g n m e n t
A d i u s t m e n t
8,000 Hz.
3 - 3 / 4 i p s
test tape
Adjust head gap surface so that there is
n o c h a n g e i n o u t p u t l e v e l w h e n t e n s i o n
i s a p p l i e d t o t h e s u o p i y r e e l s i d e .
R E V P l r v b a c k H e a d
A z r m u t h A l i g n m e n t
. \ d j u s t m e n t
8,000 Hz.
3 - 3 / 4 i p s
t e s t t a D e
I l a x i m u m o u t p u t . b o t h c h a n n e l s
R E V P l a v b a c k H e a d
G a p A l i g n m e n t
A d j u s t m e n t
I
8,000 Hz,
3-314 ips
test tape
REV
( K )
Adjust head gap surtace so that there is
n o c h a n g e i n o u t p u t l e v e l w h e n t e n s i o n
is applied to the supply reei side.
C o m b i n a t i o n H e a d
A z r m u t h A l i g n m e n t
A d j u s t m e n t
C o m b i n a t i o n H e a d
G a p A l i g n m e n t
Adjustment
S c o t c h ; 2 1 1 t a p e
1 5 , 0 0 0 H z
- 2 0 d B m
S c o t c h = 2 1 I t a p e
1 5 , 0 0 0 H z
- 2 0 d B m
( L )
M a x i m u m o u t p u t . b o t h c h a n n e i s .
Adjust head gap surface so that there is
no change in output level when tension
is applied to the supply reel side.
N O T E : S e t t a p e s p e e d t o 7 - l / 2 i p s . w h e n m a k i n g a l i a l i g n m e n t a d j u s t m e n t s .
L4