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Pioneer SX-303 Service Manual page 13

Am/fm stereo receiver
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1
2
3
4
NOTE:
9 . S C Hi E Mi ATI C
D
AG
RAM
The
indicated
semiconductors
are
representative
ones
only.
Other alternative semiconductors
may
be used and
are listed in the parts list.
COMPLEX
Ass'y (1/3)
GWM-265
|
¥
. RESISTORS:
(3/3)
[Furor AEK- "123
RI87
ACN+140
PLAY
©&
TIOt ATT-944
-
TAPE
A
+
R
POWER
AMP
Lcce
BB
gies f70e
'
2.2k
i') A
AC POWER CORD
ex
ais
MUTING
Vee
OUT!
Vee
ADG-073
Q1id0
R19
CHS
or
EQUALIZER
AMP
150k
100p
RIS4
[i3.41
Rt2t
Ri23
47k
AC 120V
PHONO
ss
=
aww
SWITCHED
UNSWITCHED
rior
+
SD)
1ooW MAX
10OW MAX
PALL an
C103
_RI25 er
220p
OFF
OFF
,
Si-3-1
St-4-1 — St- 8-1
cuz
eae
HEADPHONE
JACK
Assy
AM
TAPE | LOUDNESS
fOOp
SOL
[
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is
NITOR
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RI76
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Leh
|
(8) 150
180
Sat
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VR2-1: BALANCE
Culé
eee,
|
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a
()
ens
Bes
cne
theo
RI77
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t
$1-3-2
Si-4-2
$1-5-2
12k
100p
69
150
180
2
©
VRI-2
cio4
250k
~PHONES
220
a ae
:
e
ate
C120
seem
RI3I
R132
i
i S7mv/ 80 } a
Rio2
10/50
5.
seem
tOOk
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ge
Be
AT SPEAKERS
iW
ik
+
eh
tg
ee
PHONO
O
2
R133
ci2t
R134
Put
180k
fie
at
180k
RUS Ik
RNG Ik
Ci57
0.022
RI35
Hl C24
R136
a
a +|
ee
730
fon
COMPLEX Ass'y (2/3)
RU4
0.033
es
-
=
-
i REG:
2.2k
Gi)
;
VR2-2-2
R138
TAPE
ot
'
t
a
TAPE
56k
40)
ec
Rect. tines
RI39
R140
|
Sy
27k
2.7
G8)
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Reh
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be
tn
elo
beeing
'
:
2
pies
Pisa
wane
VR2-2: BASS
VR2-3 : TREBLE
gps
ae
pee fee
| $P 8
T3
ATB-084
C145,146
ACH-252
| OOO
® | '[iav/aa]
ci48
ACG-019
Q1,2,7,9
25C461
|
:
!
Fi,2 ATF-083
Q4
25K246
1
|
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isp
a
:
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F3
ATF-084
RI66
ACN-131
Q5,.6.13,16,17
JC5O1
01,3,12.17.18
!
SS
—_
(plane
garueesiae
"St
meres
as
2SA992
Q3
M51533L
1N4148
08
KZL140
013.14
tOE2FO
:
VR2 ACT -602
Qt2
25D880
Q1i0
MS5218P
D2
= WZ-075
09
RB402
DI5
BCREAM-4
VR3
RHBSAVS5O2
Q14,15
JAIOI
Qii
STK4171-2S
04
2-1K261
Off
WZ-130
D16
$Z-027
'
|
_|
4
5
6
NO
OO

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