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Sony ST-S444ES Service Manual page 8

Fm stereo /fm-am tuner
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ST-S444ES
ST-S444ES
DETECTOR
DRIVE
(2)
G3)
LPFIOI
EME STEREO
(0)
LPF 201
ea
@
C103
DEMODUL ATION
SWITCH
ve!
CONVERTER
MUTING = [
0208 ,0258
LPF 251
G)
C204)
SWITCHING
tJ
RT201
CAL
Wi
:
OE
RT202
PILOT
$
eile
TONE
R=L
CANCEL
SEPARATION
=,
2
ee
eee
3
{
4
Pare
oe
MUTING
3
Shes
062! 0620
0305
SWITCHING
0639
CHING
SWITCHING
FL DRIVE
aes
MUTING
;
04
0202
0206
;
0205
i
>
a
aieanteact
t
+
I
———_
—-
—-
=
!
D6!5, D616
|
——
cl Be
oats
3
ae
re
J
MICRO- COMPUTER
f e
Aye
{
1C605
Hd
ea
|
_—
7 anrwete ce
ia
4
$902
LPROGRAM |
FLUORESCENT
FL DRIVE
DISPLAY
TUBE
1C604
FL8OI
LED ORIVE
C603
DISPLAY
DRIVE
Q623 , 0625 , 2627, 0628 , 063!
Q633,, 0635, 0642 , 0644, 0646
0648 , 650, Q652 , Q654
7- 13,17, 18, 71,72 -—X_ 24-28, 4, 42-44 IO
=52 , 54~60,62—68,70
-X 19-21,
2 3 - 2 9 , 31-34, 40
i}
ny
PT9OI
0-@
VOL REG
Q501 ,Q502
RECT
D501 ,0502
B+2
15.7V
SWITCHING
Q62I
RECT
0503 ,0504
VOL
REG
8+3
STATIC
6.4V
DRIVE
'c8ol
0505, D506
iC50}
6V
RESET
B+!
29.5
RECT
0507 ,0508
a
gta
J

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