PCB 134B - MAIN BOARD - TIMING B
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
Title
Revision
Date
24-Mar-2020
Z:\engineering\pcb\134\1023-2002.ddb - 134B\timingB.sch
AV-1023-C, CH B, DELAY AND PW
0
VCC
GND
VCC
A
9
B
10
CLR
11
Cext
6
Rext/Cext
7
Q
5
Q
12
U10B
74221
VCC
R63
1.5K
CCW
W
CW
1
2
3
R92
25K POT
VCC
6
10
1
9
2
5
K26
G5V-1-12VDC
PWB2
6
10
1
9
2
5
K28
G5V-1-12VDC
PWB3
6
10
1
9
2
5
K30
G5V-1-12VDC
PWB4
6
10
1
9
2
5
K32
G5V-1-12VDC
PWB5
6
10
1
9
2
5
K34
G5V-1-12VDC
PWB6
6
10
1
9
2
5
K37
G5V-1-12VDC
PWB7
6
10
1
9
2
5
K24
G5V-1-12VDC
PWB8
R68
100
A
1
B
2
CLR
3
Cext
14
Rext/Cext
15
Q
13
Q
4
U10A
74221
TRIG
VCC
R62
1.5K
CCW
W
CW
1
2
3
R91
25K POT
VCC
6
10
1
9
2
5
K25
G5V-1-12VDC
DB2
6
10
1
9
2
5
K27
G5V-1-12VDC
DB3
6
10
1
9
2
5
K29
G5V-1-12VDC
DB4
6
10
1
9
2
5
K31
G5V-1-12VDC
DB5
6
10
1
9
2
5
K33
G5V-1-12VDC
DB6
6
10
1
9
2
5
K36
G5V-1-12VDC
DB7
C44
0.1uF
COMPL-B
LOW FOR NORM
+5V
0V
4
5
6
U2B
74ACT86
+3V
TTL-B
0V
C51
22pF
C58
270pF
C62
1800+1000+220pF
C66
22000+6800+3300pF
C67
22000+6800+3300pF
C63
1800+1000+220pF
C59
270pF
C52
22pF
C74
0.22+0.1uF
C78
2.2uF+1.0uF
C82
22+10uF
C79
2.2uF+1.0uF
C83
22+10uF
C75
0.22+0.1uF
R20
1K
VCC
C15
47uF,50V,P5570-ND
Содержание AV-1023-C
Страница 26: ...PCB 158R4 LOW VOLTAGE POWER SUPPLY...
Страница 35: ...PERFORMANCE CHECK SHEET 35...