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Schematic Diagram - Pioneer TX-930 Service Manual

Fm/am digital synthesized tuner

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SCHEMATIC DIAGRAM
T U N E R A s s ' y
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or
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1 R E S I S T O R S
I n d c a t e d i n 1 r , , a W , 7 . W , ! 5 % t o l e r a n c e ! n l s , o r h e M i s e n o t d k j k J )
M j M 1 2 . l F ) j t 1 y o . t G t : ! 2 % , ( K ) , j 1 O % , ( M ) r i 2 0 % t o e r a n c e
2 C A P A C I T O B S :
I n d i c a t d
i n c a p a c t y ( ! F ) / v o r a s e ( V ) u n t e s s o t h e r w i s e n o r e d
p , p F l n d i c a n o n w i r h o u t v o t t a q e s 5 O V e x c e p r e t € t r o t y t i c
c a p a c i
3 . V O L T A G E C U R F E N T .
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D C v o r a q e r v r d n , ) , . D U r s r q n a
+ r ; a r
D c c u r r e n r a t n o i n D u t s i q n a
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s i o n " v o l t a s e a r F M 4 o o i z i
7 5 k H z D E V
4 O T H E B S
@ j . A d i u { i n s p o i n t .
The
A
mark roond on some component parc Ino,cares rhe ,m
portance oi the satetv iactor oi the parr. Therefore,
when rep acin9,
b e s u r e 1 o u s e p a r r s o l i d e n r i c a t d e s i g n a l i o . .
n
markd capacitors and resisroG have parts numoers.
T h l s i s t h e b a s c s c h e m a t i c d i a g r a m , b u r t h e a c t u a c r c l n
m a y
v a r y d u e r o r m p r o v e m e n $ I n d e s r g n
5
S W T T C H E S
S I
S T A T O N G L L
( I )
S 2
S T A T I O N C A L L
( 2 )
S 3
:
S T A T I O N C A L L
( 3 )
S 4
S T A T I O N C A L L
( 4 )
S 5
S I A I I O N C A U
( 5 )
5 6
S T A T O N C A L L
( 6 )
S 7
S I A T I O N C A L L
( 7 )
S A
:
S T A I I O N C A L L
( A )
S 9
F U N C T I O N ( F M )
S ] O
F U N C T I O N ( A M )
S ' I
I U N I N G
( U P )
S ] 2
T U N I N G
( D O W N )
S i 3
M E M O R Y / S T O P
S 1 4
A U r c S C A N
S 1 O 1 ] :
P O W E R
S ] O ] - 2
F M M U T I N G
The und€nined ind cares the swrtch postion
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c , ? ? , 6 p l
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IUNER IC
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oro FL
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