Sony KF-50SX200 Service Manual page 37

BLOCK DIAGRAM (7)
S
(AUDIO PROCESS)
CN4701(1/2)
MAIN L IN A1
MAIN R IN A2
Q4701
QSS-1 B13
BUFF
AM1 A14
A RESET A7
SCL A5
G1
SDA B5
TO BLOCK
DIAGRAM(2)
A(1/2)BOARD
CN1901
+9V B2 +9V
+5V
+5V B3
IC4702
SOUND PROCESSOR
TV OUT L
56 AV MAIN L IN 37
TV OUT R
57 AV MAIN R IN 36
61 IF IN1
Q4702 TRAP
69 IF IN2
BUFF (6.5MHz)
SPEAKER
28
OUT L
60 MONO IN(AM)
SPEAKER
27
72 XTAL OUT
OUT R
X4701
18.432MHz
SUBWOOFER OUT 30
71 XTAL IN
21 POWER ON RESET
2 SCL
3 SCA
CN4701(2/2)
A3 L-TV
A4 R-TV
Q4703
+9V
BIAS
IC4703(1/3)
OUTPUT AMP
6
-
7
B10 L-OUT
Q4712 5
+
LPF
IC4703(2/3)
OUTPUT AMP
9
-
8
A11 R-OUT
10
Q4711
+
LPF
IC4703(3/3)
OUTPUT AMP
3
1
+
B11
C-OUT
-
2
DIAGRAM(2)
A(1/2)BOARD
B8 SW2
A9 SUB R
– 37 –
KF-50SX200/50SX200K/50SX200U
G2
TO BLOCK
CN1901
K
RM-905