Specifications; Table Of Contents - Pioneer SX-3900 Service Manual

M O D E L S X . 3 g O O C O M E S I N T W O V E R S I O N S D I S T I N G U I S H E D A S F O L L O W S :
T y p e
V o l t a g e
R e m a r k s
KU
1 2 0 V o n l y
U . S . A . m o d e l
5 / U
I 1 0 V , 1 2 0 V , 2 2 O a n d 2 4 0 V ( S w i t c h a b l e )
U . S . M i l i t a r y m o d e l
This service manual is applicable to the KU type. When repairing the S/G type, please see the
additional service manual (see pages 47 -56l..
CONTENTS
1 . S P E C I F I C A T I O N S
1 . s p E C t F t c A T t o N S
2
P o w e r A m p l i f i e r S e c t i o n
2 ' F R o N r P A N E L F A C I L T T I E S
a
C o n t i n u o u s
P o w e r 0 u t p u t 0 f 1 2 0 w a t t s x p e r
c h a n -
3 ' B L o c K D I A G R A M
7
n e l , m i n . , a t 8 o h m s f r o m 2 0 H e r t z t o 2 0 , 0 0 0
4 . c l R C U l r D E S C R I P T I o N S
H e r t z w i t h n 0 m . r e t h a n 0 . 0 0 5 % t o l a l h a r m o -
4 . 1 F M T u n e r S e c t i o n
8
n i C d i S t O f t i O n .
4.2 AM Tuner Section
9
To,rl Harmonic Distortion (20 Hertz to 20,000 Hertz,
4 . 3 A u d i o S e c t i o n
9
g o h m s )
4 . 4 D i s p l a y C i r c u i t s
. . . . . . .
1 1 c o n t i n u o u s r a t e d p o w e r o u t p u t . . N o m o r e t h a n 0 . 0 0 5 %
4 . 5
P r o t e c t i o n C i r c u i t
1 3
6 0 w a t t s p e r c h a n n e l p o w e r
4'6 Surge current suppressor
" " " ' l5
,",1r',jlltr,r.ion oirioriion iuo rrrrrltrl;f ;::ltjT:"fl
1 E
5 ' D I S A S S E M B L Y ' '
1 5
c o n t i n u o u s r a t e d p o w e r o u t p u t . . N o m o r e t h a n 0 . 0 0 5 %
6 . P A R T S L O C A T I O N
1 6 6 0 w a t t s p e r c h a n n e l p o w e r
7 . D I A L C O R D S T R I N G I N G .
1 8
o u t p u t
' . . . ' N o m o r e t h a n 0 . 0 0 5 %
g . A D J U S T M E N T S
F r e q u e n c y R e s p o n s e
8.1 Audio Section
1e
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8 . 2 T u n e r S e c t i o n .
2 0 . . . . .
' l
V / 5 0 k i l o h m s
9 , S C H E M A T I C D I A G R A M
2 4
O U t P U t
1 0 . p . c . B o A R D S c o N N E C T T o N D T A G R A M
2 9
- s p e a k e r
' ' ' ' ' A ' B ' A + B
D a m p i n g F a c t o r ( 2 0 H e r t z t o 2 0 , 0 0 0 H e r t z , 8 o h m s )
I 1 . P A R T S L I S T .
3 5
. . . 6 0
1 2 . E X p L o D E D v t E W
4 1
H r . . ; ;
r t r . i r . i i H i , r r r o r t c i r c u i t e o ,
A n e t w o r k )
1 3 . P A C K | N G . . . .
4 6
" " '
1 1 5 d 8
A D D T T T O N A L S E R V T C E M A N U A L F O R S / G T Y P E 4 1 P r e a m p l i f i e r S e c t i o n
I n p u t ( S e n s i t i v i t y / l m p e d a n c e )
P H O N O 1 , 2 . . .
2 . 5 m V / 5 0 k i l o h m s
A U X , T A P E P L A Y 1 , 2 ,
A D A P T O R I N . . . . . . 1 5 0 m V / 5 0 k i l o h m s
P h o n o O v e r l o a d L e v e l ( T . H . D . 0 . 0 0 5 % , 1 , 0 0 0 H e r t z )
P H O N O 1 . 2 . . . 3 0 0 m V
O u t P u t ( L e v e l / l m P e d a n c e )
T A P E R E C 1 , 2 . A D A P T O R O U T
1 5 0 m V
P R E A M P O U T ( R L : 5 0 k i l o h m s )
. . . . 1 V l 1 k i l o h m s ( V o l u m e : m a x . )
T o t a l H a r m o n i c D i s t o r t i o n ( 2 0 H e r t z t o 2 0 . 0 0 0 H e r t z )
P H O N O 1 . 2 ( R E C O U T ) . . . . . . N o m o r e t h a n 0 . 0 0 5 %
( 1 0 V o u t p u t )