Sony XTL-6100MK2 Service Manual page 26

Q Q
3 7 6 3 1 5 1 5 0
• IC Block Diagrams
IC201 TA8696F
30 29 28 27 26 25 24 23 22 21 20 19 18
OUTPUT CURRENT
AMP CONVERSION
PULSE POLARITY
F.F.
CONVERSION SELECT
INPUT LEVEL
DISCRIMINATION ADJUSTMENT
CURRENT
CONVERSION
CH DISPLAY
SELECT
REFERENCE
VOLTAGE
γ
RECTFY
INPUT CURRENT
OFFSET CANCEL
LATCH CONVERSION
1 2 3 4 5 6 7 8 9 10 11 12 13
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC203 TC74HC123AF IC401 TL1451ACPWR
16 15 14 13 12 11 10 9 16
Q
CLR
VREF
Q
Q
CLR
Q
1 2 3 4 5 6 7 8
S
LATCH
w w w
IC202 LA7218M-TE-R
AFC VCO VCO HD DET
NC VCC CTL OUT IN OUT OUT
17 16 14 13 12 11 10 9
32fH
AFC
VCO
COUNT
LOCK
DOWN
DET
SYNC
V.SEP
SEP
1 2 3 4 5 6
NC VIDEO F.B. SYNC VD GND EXC
IN CLAMP OUT OUT
14 15
15 14 13 12 11 10
ERROR AMP
–
+
+
+
– VREF
PWM
SHORT
OUTPUT1
COMP
CIRCUIT
PROTECTION
COMP
VREF VREF
R S
U. Y. LO PWM
OUTPUT2
COMP
TRAINGLE
ERROR AMP
OSC
+
–
1 2 3 4 5 6 7
x a o
y
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IC1 PST9145
NC 1 5 VCC
SUB 2
RESET 4 OUT
8
GND 3
7
IC13 LA7565EM
24 23 22 21 20
FM RF IF
DET AGC AGC
Q Q
LIM
3 7 6
AMP
HPF
HPF
MIX
9
HPF
REFERENCE
VOLTAGE
1 2 3 4 5
+25V
IC14 TC74HC4052AF
0
Y0 1
2
Y1 2
8
Y 3
3
Y3 4
1
Y1 5
INH 6
VEE 7
u 1 6 3 VSS 8
26 26
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2 4
8 9 9
IC3 BA6161F
8 7 6 5
BLOCKING
OSCILLATOR
1 2 3 4
19 18 17 16 15 14 13
1stT
VIF AGC
SMP
AMP
VIDEO 1st
FFT
3 1 5 1 5 0 8 9
DET DET
EQ
VCO
AMP
6 7 8 9 10 11 12
IC50 AT24C01
NC 1
16
VDD
2
LOGIC
15 X2
DOUT/ACK
1
14 X1
13 X
0 2
NC
12 X0
SERIAL MUX
3
X3
11 m
SELECT A
EEPROM
A
10
SELECT B
c o 9 B
3 DATA REGISTER
NC
INC
.
H. V. PUMP/TIMING
EN
4
GND
2
8 9 9
IC27–29 BA3121F
OUT1 1 8
VCC
VM1 2 7 OUT2
3 AMP 6
IN1 VM2
GND 4 AMP 5 IN2
IC17 MM1108XF
8 7 6 5
V SYNC SYNC
SEP SEP
3V
PHASE
2 4 9 8 2 9 9
VCO
COMP
1 2 3 4
DOUT 8 VCC
DIN
R/W
7
TEST
Y DEC
ADDRESS/COUNTER
DATA WORD
6
SCL
LOAD
LOGIC
CONTROL
SERIAL
LOGIC
5
STOP SDA
START