Pedestal Control Unit [12574549] Pcb Schematic (70918053) - SeaSpace TeraScan 1.5M Operation And Maintenance Manual

VCC
J8
2
AZ REF
3 HOME SENSOR
1
INTERFACE
IDC3
CL RATE
J1-13
LV RATE
J1-12
AZ RATE
J1-11
AZ REF
J1-26
POL POT
J1-10
AGC
J1-25
CN1
C C C C C C C C
27pF
CTR
J1-14
CL+
J1-29
CL-
J1-44
LV+
J1-15
LV-
J1-30
AZA
J1-9
AZB
J1-24
VAA
J4
1
AGC
2
SEL
RSEL
1 R25A 16
3
1K
SDO
R25B D0/SDO
2 15
4
1K
SK
R25C D1/SK
3 14
5
1K
SDI
D2/SDI
4 R25D 13
6
1K
SPARE
R25E SPARE
5 12
7
1K
8
IDC8
RECEIVER INTERFACE
SPARE
J1-23
VAA
J6
D3
1
D4
2
D2/SDI
3
D5
4
D1/SK
5
D6
6
D0/SDO
7
8
WR-
9
A1
MOTOR DRIVER
10
A0
11
D7
12
DALBACK
INTERFACE
13
14
15
IDC15
VAA VCC VBB VAA
J1
1 44
1 44 J1-44
2 43
2 43
3 42
J1-3 3 42
4 41
J1-4 4 41
5 40
5 40
6 39
6 39
7 38
7 38
8 37
J1-8 8 37
9 36
J1-9
9 36
10 35
J1-10 10 35
11 34
J1-11 11 34
12 33
J1-12
12 33
13 32
J1-13
13 32
14 31
J1-14 14 31
15 30
J1-15 15 30 J1-30
16 29
J1-29
16 29
17 28
17 28
18 27
J1-18 18 27
19 26
J1-19 J1-26
19 26
20 25
20 25 J1-25
21 24
21 24 J1-24
22 23
22 23 J1-23
DB-44S
110 SeaSpace Corporation
R3A
16 1
1K
R3B
15 2
1K
14 R3C 3
1K
R3D
13 4
1K
12 R3E 5
1K
R3F
11 6
1K
CN2
27pF
R7 360K
VAA
C5
0.1
C6
R11 240K
2
-
1
3
+
0.1 VCC U5A
MC34074
C8
R14
1.00K 1% 0.1
R15
VBIAS
1.00K 1%
U7A U7B
C10
2 1 4
10
4069 4069
C11
10
U7C U7D
C13
6 5 8
10
4069
C15
4069
10
TILT SENSOR DEMODULATOR
R21C
4.7K
TP2
VAA
+28V
U12
LM7812C/TO220
VBB 3
OUT
+12V
TP3
VCC
+5V
R28
300
TP4
GRN
D10
D12
1N4148
RATE SENSOR INTERFACE
R9 10.0K 1%
R12 10.0K 1%
6
-
7
5
+
U5B
MC34074
F1
3
F2
9
VCC
R21H
4.7K
R21A 4.7K
1 16
R22 100K
C17
470pF
R21E 4.7K
5 12
R24 100K
C18
470pF
IRQ LOGIC
1
IN
U13
3 1
OUT IN
C21 C22
+ +
100 470
LM7805C/TO220
POWER SUPPLY
VDD
VCC
D13 D14 D15 D16 D17
1N4148 1N4148 1N4148 1N4148 1N4148
C1
+
1
VCC
C7 R13
0.1
9
U6 100K
10
12
X0
13 14
X1 X
2 VBIAS
Y0
1 15
Y1 Y
5
Z0
3 4
Z1 Z
6
INH
11
A
10
B
9
C
4053
R18
13
100K
12
VBIAS
U11A
1
3
2
U11B
14077 5 R23
4
6
U11C 14077
8
10
9
14077
VAA
C23
+
1
VCC
VCC
C25
0.1
C24
U7F
0.1
12 13
VSS
4069
VCC
VCC
CC
1
LDS-C32R D1A
A B C D E F G
DP
2 3 4 5 6 7 8 9
C2 C3
+ +
1 1
C4
0.1
R10
200K
-
8
+
U5C
MC34074
C9
0.1
R17
200K
-
14
+
U5D
MC34074
1K
U11D
12
11
13
14077