Pioneer XR-VS99, Service Manual

Page: 58 / 84

58
XR-VS99
p e t S e d o M
/ l a n g i S t u p n I
e p a T t s e T
s t n i o P g n i t s u j d A
t n e m e r u s a e M
s t n i o P
t n e m t s u j d A
e u l a V
s k r a m e R
1 C E R
2 3 6 - D T S e h t d a o L
e h t t e s d n a e p a t t s e t
. e d o m g n i d r o c e r
k c e D
I I
                     
n o i t a ll i c s O
o t y c n e u q e r f
z H k 0 . 5 0 1 e b
±
. z H k 2
r u o f r o f n o t t u b P O T S / C E R e h t f I
D N A T S n i s i r e w o p e h t e li h w s d n o c e s
e s a e r c e d ll i w y c n e u q e r f e h t , e d o m Y B
. z H k 3 o t 2
K C E D I
1 0 8 2 L
) y s s A F A (
n e e w t e B
7 . g i F n i t n i o p
. D N G d n a
Recording Adjustment
(1) Bias Oscillation Frequency Adjustment
(2) Recording Bias Adjustment
•
Since this adjustment affects recording bias, prevent distortion from increasing due to underbias.
A
Note : Set the 10kHz input signal level to the same value as the 315Hz input signal level of step 1.
(4) ALC Operation Check
(3) Recording Level Adjustment
p e t S e d o M e p a T t s e T / l a n g i S t u p n I s t n i o P g n i t s u j d A
t n e m e r u s a e M
s t n i o P
e u l a V t n e m t s u j d A s k r a m e R
1 C E R
e h t o t l a n g i s z H 5 1 3 a t u p n I
t u p n i e h t t e s d n a l a n i m r e t X U A
. X U A o t r o t c e l e s
k c e D
I I
              
T S E T E P A T
) h c R , L ( T N I O P
) y s s A F A (
V B d 7 . 3 2 –
K C E D
I
l e v e l l a n g i s t u p n I
2
C E R
→
Y A L P
d n a e p a t t s e t 2 3 6 - D T S e h t d a o L
d n a z H 5 1 3 e h t k c a b y a l p / d r o c e r
. s l a n g i s z H k 0 1
) w o l e b e t o N e h t e e s (
k c e D
I I
              
T S E T E P A T
) h c R , L ( T N I O P
) y s s A F A (
l e v e l k c a b y a l p li t n u t n e m t s u j d a t a e p e R
0 n i h t i w s i l a n g i s z H k 0 1 e h t f o
±
B d 5 . 0
. l a n g i s z H 5 1 3 e h t f o t a h t m o r f
K C E D I
) h c L ( 1 0 8 2 R V
) h c R ( 2 0 8 2 R V
p e t S e d o M e p a T t s e T / l a n g i S t u p n I s t n i o P g n i t s u j d A
t n e m e r u s a e M
s t n i o P
e u l a V t n e m t s u j d A s k r a m e R
1 C E R
e h t o t l a n g i s z H 5 1 3 a t u p n I
t u p n i e h t t e s d n a l a n i m r e t X U A
. X U A o t r o t c e l e s
k c e D
I I
l e v e l l a n g i s t u p n I
T S E T E P A T
) h c R , L ( T N I O P
) y s s A F A (
V B d 7 . 7 –
K C E D
I
2
C E R
→
Y A L P
d n a e p a t t s e t 2 3 6 - D T S e h t d a o L
z H 5 1 3 e h t k c a b y a l p / d r o c e r
. l a n g i s
k c e D
I I
              
T S E T E P A T
) h c R , L ( T N I O P
) y s s A F A (
d n a k c a b y a l p , g n i d r o c e r t a e p e R
e h t f o l e v e l k c a b y a l p li t n u t n e m t s u j d a
. V B d 7 . 7 – s e m o c e b l a n g i s z H 5 1 3
K C E D I
) h c L ( 1 0 3 2 R V
) h c R ( 2 0 3 2 R V
p e t S e d o M e p a T t s e T / l a n g i S t u p n I s t n i o P g n i t s u j d A
t n e m e r u s a e M
s t n i o P
e u l a V t n e m t s u j d A s k r a m e R
1
/ C E R
E S U A P
e h t o t l a n g i s z H 5 1 3 a t u p n I
t u p n i e h t t e s d n a l a n i m r e t X U A
. X U A o t r o t c e l e s
l e v e l l a n g i s t u p n I
T S E T E P A T
T N I O P
) h c R , L (
) y s s A F A (
V B d 2 . 8 –
2
e h t e v o d a B d 0 1 + l e v e l a o t t e S
. 1 p e t s t a l e v e l t u p n i
s i g n i d a e r e h t t a h t m r i f n o C
2 . 2 –
±
. V B d 5 . 2