26
26
14
15
13
12
17
16
18
19
22
21
20
23
24
27
26
30
29
28
25
PULSE
CONVERSION
INPUT
DISCRIMINATION
INPUT
LATCH
POLARITY
SELECT
LEVEL
ADJUSTMENT
CH DISPLAY
SELECT
γ
RECTFY
OFFSET CANCEL
OUTPUT
AMP
CURRENT
CONVERSION
CURRENT
CONVERSION
CURRENT
CONVERSION
REFERENCE
VOLTAGE
F.F.
11
7
6
5
8
9 10
3
4
2
1
XH MODE
B-CH IN
G-CH IN
R-CH IN
B S/H
B IN
G IN
R IN
L GND
R S/H
V REF
B DRIVE
R DRIVE
COM DRIVE
L VCC
HD
VD
CP
F.F. OUT
F.F. CONT
H VCC
VO CENTER
B OUT
G OUT
R OUT
H GND
B CUTOFF
R CUTOFF
COM CUTOFF
γ
OFFSET
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AFC
32fH
VCO
COUNT
DOWN
LOCK
DET
SYNC
SEP
V.SEP
NC
VCC
AFC
CTL
VCO
OUT
VCO
IN
HD
OUT
DET
OUT
EXC
GND
VD
OUT
SYNC
OUT
F.B.
CLAMP
VIDEO
IN
NC
1
16
15
14
13
12
11
10
9
CLR
Q
Q
CLR
Q
Q
1A
VCC
1 REXT/CEXT
CEXT 1
1Q
2Q
2 CLR
2B
2A
16
15
14
13
12
11
10
9
1
2
3 4
5
6
7
8
VREF
S
R
LATCH
S
U. Y. LO
VREF
VREF
–
+
+
+
–
+
–
OUTPUT1
PWM
COMP
OUTPUT2
PWM
COMP
ERROR AMP
SHORT
CIRCUIT
PROTECTION
COMP
TRAINGLE
OSC
REFERENCE
VOLTAGE
VREF
+25V
ERROR AMP
REF
OUT
S.C.P
NON-INV-
INPUT2
INV-
INPUT2
FEED
BACK2
DEAD
TIME
CONTROL2
OUT2
VCC
GND
OUT1
RT
NON-INV-
INPUT1
INV-
INPUT1
FEED
BACK1
DEAD
TIME
CONTROL1
CT
5
1
2
3
4
RESET
NC
SUB
GND
VCC
OUT
BLOCKING
OSCILLATOR
8
7
6
5
1
2
3
4
FB
NC
NC
GND
DRIVE
NC
NC
VCC
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
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
AMP
8
4
3
2
1
OUT1
VM1
IN1
GND
VCC
OUT2
VM2
IN2
AMP
7
6
5
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
• IC Block Diagrams
IC201 TA8696F
IC1 PST9145
IC203 TC74HC123AF
IC401 TL1451ACPWR
IC202 LA7218M-TE-R
IC3 BA6161F
IC13 LA7565EM
IC17 MM1108XF
IC14 TC74HC4052AF
IC50 AT24C01
IC27–29 BA3121F
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299