Sony ST 5950SD Service Manual

Page 2

FM 7511
COAXIAL 0*

INPUT
TMBOI

FM soonIC
\ 0

EALUN

AM
GROUND

O-

ST-59505D ST-59505D
SECTION 1
BLOCK DIAGRAM
" _ ' FM
- - I j @mscm
FM FRONT- END BOARD WW, I
FM IF AMP FM IF AMP 331$ -- I
RF AMP » MIX __ IF AMP EMITTER I .0
mm 0I02 0I03 I04 FOLLOW? T_'
I 020' L NOISE
I l ' AMP - MEBOI
- . _I 02I7,2I3 . FM TUNING
BALJN 1 ®
I I
_ PL4
METER METER I A
' - BUAFIIPER .A 05- | l L AMP AMp fl - _ _ _ STEREO
0,05 506 UNIT _ I 56 0202 0204 -
AFC I
_ _ 5|- FLAT AMP SIII-z
BUFFER
ME 802 HMUIATIIII?TH « 00;. sngNG - I I AMP (015015503 MODE
SIGNAL 0203 0306 50
(WLTIPATH) IMULTIPATH H O I sT ONLY
MPx PREAMP MPx
fié4 MSIGNAL 0259'386 IIILIZTIQIG Iggy; L 03021303 IC3OI L AUTO ST
II 4 I
0207
LEOI ME I SIGNAL/ BUFFER FLAT AMP
M . _ I-~ I 0502,504 MONO
WATER I8 +._ I '1 wags, 0in we .
II MUTING MUTING 'ng2 AMP O I o 52-2~2-s
II | » 0200,209 ~ 02I6 0304 0 v FUNCTION
II M M DET 02Io,2II 53 I I 0 AM
AM Mlx ___ IF AMP __ ll-I402 _ MUTING $14 I (3315 I88
040' 0402 403 / MODE I o ~3I9 IEMPHASIS FM
I . w MUTING I /
I 0219 522 32-5 FUNCTION DOLBY FM
AM AM FUNCTION
()5; FLAT AMP MWNG 4'
0404 -- DOLBY
0405 0ng [,8 I |C901,902 7 9
0 ML DOWTER oeo|~907 HEADPHONE
I I
38931 Y ---
/ 52-3 rumow I
MUTING OUTPUT OUTPUT RV OI I \
-- SWITCH - 012:): @5211: - OM J I VARIABLE}
7 .
LPF 501 050 -o I I L C
LOW- 55 HIvBLEND 52-4 FUNCTION FIXED ,
PAss I
' FILTER MUTING OUTPUT OUTPUT 0-~- FIXED I
-. SWITCH » AMP AMP l VARIAch R-CH
usoe 05Io 05I2 row-#_ ,I
RV70
MAIN BOARD OUTPUT
s 0 F To ST |-" - - 38%; BOARD
I. M D- ----- - AU
5 2: FUNCTIONI FM . 5" vm GE I
S 32 MUTING , - - ON A
. M IT HING
$4: SlGNAL/MULTIPATH SIGNAL FMS f :IIooI [002 WW0" -o~ AC IN
5 5: Hl-BLEND- ~»~ ON , 060|~604
$61AFC~~H -0N I B
S7:POWER» -v OFF _
SB.EMPHA$IS- ----- 50y SWITCH BEARD I POWER SUPPLY BOARD
.. 3 7 _ 4 _.