Sony XTL-750W Service Manual page 31

IC1 PST9145NR
1
NC
COMP
SUB 2
GND 3
IC13 LA7565EM
24 23 22 21 20
FM RF
DET AGC AGC
LIM
AMP
MIX
HPF
1 2 3 4 5
IC14 TC74HC4052AF
0
Y0 1
2
Y1 2
3
Y
3
Y3 4
1
Y1 5
INH 6
VEE 7
VSS
8
5 VCC
4 OUT
+
–
19 18 17 16
IF
AGC
VIF
AMP
VIDEO
DET
HPF
HPF
EQ
AMP
6 7 8 9
16 VDD
2
15 X2
1
14 X1
X
13
0
12
X0
3
11 X3
SELECT A
A
10
SELECT B
B
9
IC3 BA6161F
8 7 6 5
BLOCKING
OSCILLATOR
1 2 3 4
15 14 13
1stT
SMP
1st
FFT
DET
VCO
OUT1
10 11 12
VM1
IN1
GND
IC50 AT24C01
NC 1
LOGIC
DOUT/ACK
NC 2
SERIAL MUX
EEPROM
3
NC DATA REGISTER
H. V. PUMP/TIMING
4
GND
– 47 –
IC17 MM1108XF
8 7 6 5
V SYNC
SYNC
SEP
SEP
3V
PHASE
VCO
COMP
1 2 3 4
IC27 – 29 BA3121F
1 8
VCC
7
2 OUT2
3 AMP 6 VM2
AMP
4 5
IN2
DOUT
DIN
R/W
Y DEC
ADDRESS/COUNTER
DATA WORD
INC LOAD
LOGIC
CONTROL
EN
SERIAL
LOGIC
STOP
START
8 VCC
7 TEST
6
SCL
5
SDA