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IC252 TD62C950RF
IC253 BA6208
IC254, 255 TC74HC151AP
IC251 MSC1164GS-K
• Display section
20 BIT
SHIFT
REGISTER
20 BIT
LATCH
GATE
CIRCUIT
OUTPUT
CIRCUIT
32 31 30
29
28
27
26 25 24 23 22 21 20 19 18 17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
NC
DOUT
LS
CL
V
CC
HVO20
HVO19
HVO18
HVO17
HVO16
HVO15
HVO14
HVO13
HVO12
HVO11
HVO1
Vhv
GND
CLK
DIN
CHG
NC
D
CK
CK
Q
HVO2
HVO3
HVO4
HVO5
HVO6
HVO7
HVO8
HVO9
HVO10
Q
D
ST
ST
Q
D
CK
D
Q
Q
D
CK
24
25
23
22
21
26
27
28
36
40
39
38
37
35
34
33
32
31
1
20
29
60
41
30
OUT1
OUT20
H V
CC
P GND
L GND
CL
NC
STB
NC
NC
S IN
V
DD
OUT40
OUT21
H V
CC
P GND
L GND
NC
CHG
NC
CK
NC
S OUT
V
DD
1
2
3
4
5
6
7
8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
D3
D2
D1
D0
Y
W
S
C
D4
D5
D6
D7
A
B
D3
D2
D1
D0
Y
XY
OE
GND
V
CC
D4
D5
D6
D7
A
B
C
Summary of Contents for SDP-EP70
Page 3: ... 3 SECTION 2 GENERAL ...
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Page 35: ... 49 50 SDP EP70 EP90ES 4 12 SCHEMATIC DIAGRAM POWER SECTION Page 29 Page 29 Page 29 ...
Page 38: ... 53 SDP EP70 EP90ES 4 14 SCHEMATIC DIAGRAM CONTROL SW SECTION Page 34 Page 29 ...