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Pioneer SR-9 Service Manual page 5

Reverberation amplifier
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I
8
7
NOTE:
The indicated
semiconductors
are representatiue ones
only. Other olternative semiconductors may be used and
are listed in the parts list.
R E S I S T O R S :
l n d i c o t a d i n O , l l 4 t l t . t 5 %
t o l e r o n c a u n l e 3 r o t h e r s . 3 o n o t e d
k : l O ,
M : M O
C A P A C I T O R S :
l n d i c o t a d i n c o p o c i t y ( l r F ) / v o l t o g e ( V ) u n l € 3 t o i h e r i 3 e
n o l e d
p , p F .
l n d i c o t i o n w i l h o u t v o l t o g . l ! 5 O V e r c e p l e l e c l r o l y l l c
co poci to r.
V O L T A G E , C U R R E N T :
[ - V l
, S i g n o l v o t t o g e o t t 5 O m V o u t p u l
( | t H z )
T ]
' O C v o t r o g e ( V I
o r n o i n p u f l i g n o l
€ m a
: 0 C c u r r c n l o l n o I n p u t
s i g n o l
O T H E R S ;
@ : A d i u s t i n g
p o i n t .
T h r 2 [ m o r k f o u n d o n r o m a c o m p o n . n t p o r t r
i n d i c o t e 3
t h .
i m p o r l o n c c o f
t h a 3 0 t a t y t o c l o r o f l h r p o r f .
T h e r 3 f o r a , w h e n
r e p l o c i n g , b e s u r e l o u s e p o r t c o l i d r n t i c o l d . s i g n o l i o n .
S t V I T C H E S
S I
A T T E N U A T O R
O d B _ - 6 d B
s 2
T A P E
M O N | T o R
o i l
_ q E
s 3
R E V E R B E R A T T O N O N
g - l ! _ o r r
S 4
R E V E R B E R A T I O N O N ( R E C O R O I N G ) O N - O F F
5 5
R E V E R B E R A T I O N O F F
O N -
O F F
5 6
E F F E C T
I _ 2
s z
P o w E R 6 n - o r r
s8
Lf NE voLTAcE seuElcron Aczzov -Acz4ov
The undcrlincd indicats tho switch p6irion.
38 : LlllE \OLTAGE SELECTOn
a x x - o 5 7
A C 2 2 0 v - A C 2 4 0 V
zrtov
F U I : A E K . O I T
AC POWER CORO
a D G - O . r l
A
a c 2 2 0 v
! O / 6 O H r
;
A E L _ 3 2 5 |
t - - -
ur{swtTcHE0
loow rax
L A M P A s e ' y
A W X - 1 6 4
;
P L t , 5 , 5 , 7
!
L_i!is!l
I P L Z , 4 , 6 , 8
!
|
8 v T o n v
I
l- -1E-!-- 'olJ
S W f T C H A s s ' y G W S - t 8 5
I
i
c c r
p o w E R
:
o . o 1 7 / w
s 7
A S G - 2 t 5
l i c d i o g r o m , b u l t h € o c l u o l c i r c u i t
design.
I
8
7
-
-
-
A ^ r r - r o o
o 1 5
I
L E D A r E , y i l )
r p o " e n r I
G I f l X - 3 O 3
FOWER SUPPLY CIRCUIT FOR HB TYPE
S8 : LIIIE VOLTAGE SELECTOR
A X X - O 5 7
ac?20v - ac 2.rov
RE\€RT:$IoN
i
I
o r r - r o o
' ? S s a A
G W M - 2 4 8
AC POwER CORo
A o G - 0 5 l
a i'"i;8;,
- - - - - - - - _ l
ul{swtTcHED
roow IAx
S|YITCH Ass'y I
c w s - 1 8 5
i
m o y v o r y

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