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Pioneer SR-9 Service Manual page 19

Reverberation amplifier
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A.o-l'
5 6 l t r z w l
NOTE:
The indicated semiconductors are reprcsentatiue ones
only. Other alternatiue semiconductors may be used and
are listed in the parts list.
-
-
r
R E S T S T o R S '
I n d i c o i e d i n A , V 4 W . ! 5 %
t o t € r o n c € u n t . s Ê o t h e r * i l e n o i € d
k r k O , M , M n
2
CAPACITORS :
I n d i ê o l e d i n c o p o c i l y ( ! F ) / v o l l o g . ( V ) u n t o 3 s o f h e w i s € n o t e d
p , p F
I n d i c o l i o n w i f h o u t v o l t o g . l s 5 O V 6 r c . p t
. t . c t r c l y l l c
co poct lor
3
V O L T A 6 E . C U R R E N T :
E l
, S i e n o t v o t f o g e o t l S O h V o u t p u t ( I t H z )
- È
, O C v o t r o g e I V ) o t n o I n p u t . i g n o l
+ m A
: D C c u r r a f i l o t n o i n p u l s i g n o l
4
orH€RS j
@ t A d i u . i i n g
p o i n t ,
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i m p o r l o n c e o l i h o 3 0 l o l y t o c l o r o t l h a p o r t
T h o r e f o r € . r h a n
r e p l o c i n g , b 9 s u r € t o u s a p o r t 3 o l i d a n t i c o l d a s i o n d l i o n
s w I l c H E s
S I
A T T E N U A Î O R
O d B -
- 6 d B
5 2
Î A P E
M O N I T O R O N _ O F F
s 3
REVERBERaTTON ON
g_l! -
OFF
S 4
R E V E R B E R A Î I O N O N ( R E C O R O I N G } O N - O F F
S 5
R E V E R B € R A I I O N O F F
9 A -
O F F
5 6
E F F E C T
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s 7
P O W € R
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T h i s i s t h e b o s i c s c h e m o l i c d i o g r o m , b u l l h e o c i u o l c i / c u i l
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a c r r o v
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240V
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m o y v o r y

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