Block Diagram - Sony ST-S333ESG Service Manual

Fm stereo / fm-am tuner
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ST-S333ESG
SECTION 3
BLOCK DIAGRAM
dtiei
ee
:
:
(for Adjustment)
D208
10284
=
g iFT251
FRONT END
n202
sND
@)
aye
Ssetsig
crn
oro:
119
pot
i¢204
!¢202
0203
a2
4
IFT 274
DBM
PLL DET THD
ga7y
RYI51
FM RE AMP
a
Qto2
ATAU
Q201
MONO SWITCH
IFT201
1FT203
FM IF
Ltot
D101
0102
:
r
.
FM
IF
>
\FT272
0275
' Bf ae
'
Pane ©
3
a"
88
Lt
veo
Q152
[
Si
RF MODE
SELECT SWITCH
O}rp2rs
oO} NULL
AV251
BUFFER
FM MUTE LEVEL
STEREO 4
6
7
el
SHITCH
ANTENA
SELECT
SWITCH
TP201
iF THROUGH
2
3
bres
:
FM IF | creo
FM IF
FM IF
:
:
~{o
AMP
Owe
©
Owe
©
as
Es
a
Fees
~ Pit
CF202 —
Se
STEREO
Q206
IFT202
IFT204
STEREO SWITCH
i
;
3
ANT
RF MODE
(From
10601
23pin} (From
IC601
24pin)
ates
BUFFER
aie
FM OSC
Gait
chess J
0511
D104
0105 auerER
1)
v
DD
5V
PLL
SYNTHESIZER
501-503
FM/AM
FM +B
VOLTAGE
SWITCH
AM +B
D622
De2t
oO
Oo
FM MUTE
(From
C601
12pin)
(From
C601
1%pin)
(1) FM INPUT
Q521,522
PLL
LPF
OFromiC601
14,16,17pin
Q231-235
MONO / STEREO
10401
MONO/STEREO
——
LPF301
FESOt(MW) de
AM TUNER
NARROWMWIDE
NARROW / WIDE
CNJ301
7
AV4OT
SWITCH
AM METER LEVEL
(6)
aie
© [Ren
Q308
MUTING
SW
SEPARATION
Q306
MONO
KIGH
SWITCH
BLEND SW
()
RV303
A402
AM AUTO STOP]
0404
:
+auren}
BUFFER
Q407
Q405
040g PILOT CANCEL
"
SEPARATION
O
MUTING
AMINARROW
MUTING
AM
SWITCH
IWIDE SW
MUTING
¢1)
© |een
9303 auto STEREO
Q308
MUTING
SW
MONO/ STEREO
RY301! 0307
SWITCH
FM / AM
Tac
@
3 B cr4oe
E SWITCH te
ol
+5V
_
i
Q310
5
@
@
ae
ae
le ee
le
FM MUTE os
eo)
eure
oer
eS
eee
eee
ee ee eens eee
AUTO STOP ot
an
FROM REMOCON
pei
TERMINAL(CN671)
Q253-255
Ses
ae
Oo
@). PURE
AUTO STOP
SWITCHING
ROTARY
Q671
Q701
PROGRAM
SWITCH
ENCODER
EMOTE
feo
[|
pom | xer 106k ]
SWITCH
DRIVER
|orr | open | oPEN |
| set {| tow | open |
Cy
ANT
RF MODE
TUN
a
x
x"
os
=
wy
ad
w
TUN
TUN
I
&
§
=
8
s
=
3
S$ 5 & = zrurer
a
=}
a
=
=
o
2
&
a
ie
z
2
=
ASIKM
a
1C601
2
g
SYSTEM CONTROL
= POWER
an
T o
ae a
onc
of
RESET
0901-904
KEY DIGIT
KEY INPUT
CLK' START
zz
sl
AubiO
G 116 2)
atti
PT904
POWER TRANSFORMER
D91t-914
$952
(4)
DIGITAL f° +13V
VOLTAGE SELECT
8951
Nes!
SYSTEM
+20V—™220-240V
POWER
+5V
AC IN
Q921,D922
10705
re
SIGNAL METER
oo
DRIVER
Oe) behest' €)
Q931,D032
EE
DISPLAY
CONTROL
-17V
$722
KEY.
SWITCHES
TUNING/PRESET
$701 $702 $703 $704 $705 $706 $707 $708 $709 S710
O
6731
Lit te {3s f+ ts Ts [7 Js Te Tio]
$728
DISPLAY MODE
©)
$711
$712 S713 $714 $718 $718 S717 $718
$719 $720
dene,
Gab.
La
ee
As
CHECK
CAL TONE ANT
if BAND ' FM MODE | MPX FILTER FMJAMMEMORY
= [Syipy
RF MODE
-MUTING
TUNE MODE
.
FL701
FLUORESCENT
INDICATOR TUBE
x
ele

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