Avtech AVO-6-B, Instructions Manual

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PCB 156D - POLARITY CONTROL BOARD
1 2 3 4 5 6
A
B
C
D
6 5 4 3 2 1
D
C
B
A
T i tle
Re vis i on Da te
12-Jul-2017
Z:\mjcfiles\pcb\156\polr\polr.ddb - PCB156D\PCB156D.sch
PCB 156D, POLARITY SWITCHING
R3 3
OY
R3 5
OY
D2
1 N 4 7 3 6 A
R2 4
1 K
3
2
1
8
4
U5 A
LM3 5 8
5
6
7
U5 B
LM3 5 8
C4
0 . 1 u F
+1 5 V
R2 3
3 K
R2 8
1 K
R3 2
OY
R3 4
OY
D1
1 N 4 7 3 6 A
R1 8
1 K
R1 5
3 .9 K
R2 9
1 K
R2 5
5 6 K
+1 5 V
R1 9
5 6 K
VC C
VC C
UV - H IG H
UV + HIGH
3
2
1
8
4
U4 A
LM3 9 3
5
6
7
U4 B
LM3 9 3
C6
0 . 1 u F
C3
0 .1 u F C5
0 . 1 u F C7
0 . 1 u F
VC C
R2 6
1 K
R2 7
3 K
VC C
2
3
1
U2 A
7 4 A LS0 2
5
6
4
U2 B
7 4 A LS0 2
8
9
1 0
U2 C
7 4 A LS0 2
1 1
1 2
1 3
U2 D
7 4 A LS0 2
VC C
1
2
3
U3 A
7 4 A CT0 8
4
5
6
U3 B
7 4 A CT0 8
9
1 0
8
U3 C
7 4 A CT0 8
1 2
1 3
1 1
U3 D
7 4 A CT0 8
SMA3
TTL IN
R2 2
5 1
2
1
3
Q1 A
MPQ6 0 0 2
6
7
5
Q1 B
MPQ6 0 0 2
1
2
1
4
1 3
Q1 C
MPQ6 0 0 2
1
0
8
9
Q1 D
MPQ6 0 0 2
R1 6
1 K
R1 4
1 K
VC C
VC C
R1 0
1 K
R3 0
2 K
R1 3
3 K
R1 2
3 K
R2 0
1 0 K
R1 7
1 K
R1 1
1 K
SMA1
NT RIG
SMA2
PTR IG
1
2
3
+
4
-
5
+
6
K1
AQ V2 2 1
R3 1
3 0 0
3
2
1
8
4
U1 A
LM3 5 8
C1
0 .1 u F
+1 5 V
5
6
7
U1 B
LM3 5 8
C
C
W
W
C
W
R4
5 K , PMAX
R3
4 .7 K
C
C
W
W
C
W
R6
5 K , NMA X
R5
4 .7 K
C2
0 .1 u F -1 5 V
R9
1 0 K
R2
1 0 K
R7
2 7 K
C
C
W
W
C
W
R8
5 K , NMIN
-1 5 V
"UV- ON" IS HIGH IF:
1) "UV+ HIGH" IS LOW, AND
2) "POL" IS LOW.
"UV+ ON" IS HIGH IF:
1) "UV- HIGH" IS LOW, AND
2) "POL" IS HIGH.
IF THE POLARITY IS SWITCHED, AND THE OPPOSITE ULTRAVOLT IS TOO HIGH, NO TRIGGERS OCCUR UNTIL THE VOLTAGE FALLS.
THIS DRIVES THE OUTPUT POLARITY RELAY.
1 2 3 4 5 6 7 8 9
J1
CO N9
+1 5 V
-1 5 V
VC C
X3
6 -3 2 MO UN T
X1
6 -3 2 MO UN T
X2
6 -3 2 MO UN T
X4
6 -3 2 MO UN T
SU RF AC E MOUN T, ON B OTTOM.
R2 1
1 0 K
R1
4 . 7 K
PR OV ID ES R/C FIL TE RIN G
HV RESISTORS USED
AVR-5: 220K + 120K AVR-5: 220K + 120K
AVR-8: 470K + 470K
AVR-7: 220K + 220K
1
2
3
4
5
6
7
J2
6 4 0 4 5 6 -7
VC C -1 5 V +1 5 V
PO L
RLY
AMP
1
2
3
4
J 3
6 4 0 4 5 6 -4
EA -P
EA -N
UV + ON
UV - O N
1
2
J 4
6 4 0 4 4 5 -2
1
2
J 5
6 4 0 4 4 5 -2
HV 1 HV 2
HV 3 HV 4
X5
HV W AR NING
X6
HV W AR NING
AVR-4: 150K + 100K
AVR-3: 100K + 100K
1 2
n
c
3
n
c
4
K3
CP C1 3 3 3G
1 2
n
c
3
n
c
4
K2
CP C1 3 3 3G
R3 6
3 0 0
R3 7
3 0 0
U
V
- O
N
U
V
+
O
N
HV -
HV +
RLY-PS