Sony TA-S2 Service Manual page 5

TA-S2
3-2. BLOCK DIAGRAM
+B
RV5OI
DC BIAS ses
CURRENT REG BIAS SEADEHORIES
ies Q501 Q504,506
C103 RV404 SOURCE DIRECT
J101 INPUT SELECTOR ATTENUATOR
DRIVER
PHONOIN |) ——e| FQ AMP
O MUTE PRE DRIVE FINAL AMP SpCAKERS
IC104 Qiot hin 502 aap Q508, 509 ©)
J102 .
Eo,
TUNER IN © Git) Sage, FON iz
"® CURRENT
cDIN | IO MIRROR
Q503
J103
©)
TAPE fe tee. Ih
ouT||©
PROTECTOR
J104
IC601
OUT O (4)
C IC104
6 INPUT SELECTOR
RECT
ouT | 1©
sy Big od
+32.
DAT/VIDEO J105
()
©
—32.6V.
ADAPTOR
ae
()
Ic601 {: By D217
RY601, 602
R-CH is omitted. —32V
T2
RECT POWER
IC101 - 105 {+40 D209 - 212 TRANSFORMER
RY101 3 g
—14V REG
IC101 - IC105 {-v pie
CNJ1
AC OUTLET
ATIENUATOR
MOTOR
DRIVER
1C401
RECT TH
+5.6V REG D213 - 216 POWER
RV403
$303
20945 6¥ 1C203 TRANSFORMER aya
BALANCE
POWER 3| o—_{
| AC IN
1
+B — Lo] i
G)—49) ic3o1 _) (0301) ;
— iw zo Oo = 1C302 +B i
a E 5 wi <t
5 7 Sx ai SYS. POWER6?) (D302)
a 2 AO 5 iva D316 :
n od 3°? LED fy i iC304 3 > PWR LED(7) £y [ON STANDBY]
DRIVE ON/ STANDBY)
SYSTEM CONTROL 5 2 > > we STANDBY) ies co -—Va) [7 |
5 x pe 2 w G2 Fas it
09 z
3 5 a O afasfe & We REMOTE SENSOR} | If)
x< x o n uw Sroraqd |< oc SIRCS@5) 1C303 [R
(19) 0) 82 (10) 4) 11-16 87) (8
| O Ny ay
8 MHz Ais INPUT RESET DRIVE
1C302, Q305 Q201
$301 lesendoedl D308 - 3
+5.6V $302
SOURCE
DIRECT FUNCTION FUNCTION
= w