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•
IC Block Diagrams
IC201 TA8696F
IC202 LA7218M-TE-R
IC203 TC74HC123AF
IC401 TL1451ACPW
IC1,2 BA3121F (XA-601)
IC7 MM1117XFBE
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
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
1
2
3
5
6
7
8
4
OUT1
VM1
IN1
GND
VCC
OUT2
VM2
IN2
8
7
6
5
1
2 3
4
GND
OUT
VCC
IN3
IN1
SW1
IN2
SW2
BIAS
BUFFER
CLAMP
CLAMP
CLAMP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CLR
Q
Q
CLR
Q
Q
1A
1B
1 CLR
CEXT 2
2 REXT/CEXT
1Q
2Q
GND
VCC
1 REXT/CEXT
CEXT 1
1Q
2Q
2 CLR
2B
2A
