BCD-9221B American Bright Optoelectronics, BCD-9221B Datasheet - Page 3

• Manufacturer Part Number: BCD-9221B
• Description: LED Display
• Manufacturer: American Bright Optoelectronics

● Internal Circuit Diagram :
SINCE 1981
B
B
R
R
I
I
G
G
ROW.
H
1
2
3
4
5
6
7
8
9
10
11
12
H
COL.
DP1
DP2
1A
1B
1C
2A
2B
2C
2D
2E
2F
2G
T
T
24
Amber Chip
Blue Chip
3A
3B
3C
3D
3E
3F
3G
4A
4B
4C
4D
4E
K15
L
K18
K17
L
K19
K16
K22
23
K14
K1
K47
K48
K49
K50
K51
K20
K52
K53
K54
K55
K56
K43 K44
4F
4G
K25
K53
K13
K35
K21
K27
K56
K34
K23
K29
K30
E
K2
E
22
K54
K28
K12
K4
K55
K36
K26
5A
5B
5C
5D
5E
5F
5G
6A
6B
6C
6D
6E
K5
K45
K11
K3
K6
K24
K9
K7
K8
D
K10
Hi-Eff Red Chip
D
21
Super Green Chip
6F
6G
7A
7C
7D
7E
7F
7G
8A
7B
I
H
E
F
DIG.5
D
20
G
A
K39
K39
K40
K41
K42
K43
K44
K45
K37
K38
K57
K58
K59
C
E
B
DIG.1
E
62.00
DIG.6
K40
19
K10
K11
K12
K13
K14
K15
K5
K6
K7
K8
K9
H
K4
L
E
L
DIG.2
F
D
I
G
18
A
C
DIG.7
K10
K11
K12
K13
K14
K15
K5
K6
K7
K8
K9
E
B
K4
Yellow Chip
Yellow Green Chip
E
DP2
DP1
K41
17
DIG.3
K42
DIG.8
K19
K25
K26
K27
K16
K17
K18
K20
K21
K22
K23
K24
C
C
K37
K32
K46
16
K27
K16
K17
K18
K19
K20
K21
K22
K23
K24
K25
K26
K31
T
T
DIG.4
K52
K51
K38
K33
15
K57
K58
K59
K28
K31
K32
K33
K34
K35
K36
K47
K50
K29
K30
R
K1
K2
K3
R
K48
K49
14
K28
K29
K30
K46
8B
8C
8D
8E
8F
8G
O
O
13
N
N
I
I
C
C
Ver.1.0Page 3 of 7
S
S
1.2
BCD-9221B
C
C
O
O
R
R
P
P
.
.