Sony XTL-750W, Service Manual

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