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SCHEMATICS
J1
TP4
4
R10
+15V
+
C1
8.2K
R11
470/25
8.2K
+SENSE
IN
-SENSE
IN
2
-
+
C2
470/25
2
+
2.7K
TP3
-15V
R12
1
U4
3
TL082
R13
4.7K
+15V
+15V
14
U1
8
DAC0830
1
2
19
17
R19
11
-
3
10
12
HFD4
3
+
10K
LM324
+
R2
R6
HFD6
5K
5
2K
1
3
4
DIS
U5 THR
0
C8
R9
820
2K
0.1
D12
14
R1
U3
10K
LM324
+
R23
J5
7
0.1
+5V
C11
0.1
R27
2
1
U7
3
74LS125
PREP
4
HFD2
1
470
2
5
2
4
6
U7
74LS125
SEL 1
SEL
2
2
SEL
4
3
4
5
6
7
8
1N4005
R51
VCC
A1
O0
A2
O1
U2
E1
-SENSE IN
O2
E2
O3
E3
O4
O7
O5
GND
O6
R38
-
3
D8
1N4005
15
C13
7
.22
8
GND
RST1
A1
B1
RST2
U8
A2
Q1
B2
Q1
Q2
GND
Q2
U12
+
1
15
2
14
3
13
4
12
5
11
6
10
7
9
8
VCC
GND
11
GND
RST1
A1
B1
U9
RST2
A2
Q1
B2
Q1
Q2
GND
Q2
100
10
4.7K
R39
LM324
-
U12
+
8
+15V
12
11
10
9
Q7
S
3
+
-
R32
G
1.5K
5
6
U11
1
Q3
R35
MTP3055
33
2N4124
7
D
5
D
R36
LM311
33
Q4
MTP2955
G
+15V
S
1K
2N2907
C26
1N4005
D4
0.1
J3
+5V
10
9
IN
+
D5
8
U12
-
R44
R45
1K
LM324
-15V
1
-15V
2
3
2K
1N4005
AECVREF
D6
D13
1N4005
R42
+15V
PREP
1N4148
100K
3
7
13
7
LM324
2
+15V
14
Q8
1N4005
100
1
+
MTP3055
2N2907
15
R43
6
R46
+SENSE
14
U12
Q2
33
S
D3
-
12
6
D
R34
LM311
G
+5V
R41
9
1
D
16
LM324
R25
12
-
Q6
2
13
5
AEC
INTERFACE
4
5
CALIBRATION
VOLTAGES
6
4
8
+15V
10
U7
HFD0
9
11
74LS125
6
TEST
13
U7
12
J5-4
74LS125
EXPSTOP
POINT
-0.80v
TP1
R47
4.7K
C17
6
+15V
+15V
+15V
+5V
+5V
HFD3
10
HFD2
7
5
4
U3
Vcc
+
14
LM324
U3
Gnd
11
8
Vcc
C19
8
Vcc
0.1
U10
U4
Gnd
Gnd
4
4
+
-
12
with
-0.75v
74HC73
0.1
13
TP2
TP3 at gnd
+5V
C20
C21
0.1
47/25V
4
8
Vcc
C22
Vcc
0.1
0.1
K2
U6
CLK2
J2
Q2
9
Q2 8
* NOTES:
FOR CATHODE OPERATION; SHORT PINS 1 & 2 WITH JUMPER ON J5
FOR ANODE OPERATION; SHORT PINS 2 & 3 WITH JUMPER ON J5
Vcc
U7
Gnd
Gnd
Gnd
11
7
C24
0.1
-15V
C23
U12
4
R2
14
U11
C18
02/15/01
3
Q1
MTP2955
33
2N4124
7
3.3K
74HC4538
.0033
16
VCC
GND
6
R33
R30
1
13
15K
5
3.3K
G
1.5K
5
U10
14
-10.2VREF
J4
3.3K
+
2
100K
16
A0
6
100K
HFD3
470
3
74LS138
1
5
R40
NOTE
+5V
4
D7
EXPSTOP
R29
C14
3
SEE
R28
MC14538
R50
S
R31
2
4
C16
Q5
220K
AECVREF
15
+
+15V
0.1
1
C15
470/25
+5V
*
200
17
+15V
10
R24
4.7K
2
3
13
GND
C12
19
4
12
1N4005
470/25
1
IN
11
D2
C10
5
+
Q1
Q1
J1
9
-
8
1N759
-SENSE
0.1
VCC
U6
K1
CLK1
D10
1N759
C9
74HC73
2
R26
1N759
1N759
-15V
1
J2
IN
D9
D11
+5V
R17
+5V
+SENSE
1500pF
4.7/25
R8
1K
1
13
10K
2N2907
-10.2VREF
20
R22
6
Q9
1K
TL082
3
11
8
7
CV 5
RS
51K
9
V+
GND
TR
R7
C3
100
470/25
1N4148
R18
7
U4
+
0.1
C4
7.5K
CW
R1
470
CW
TP1
-10.2VREF
HFD7
-
TP2
LM324
C7
15K
D1
6
C6
2
10K
R49
R15
R16
U3
5
R21
7.5K
82K
7
0.1
ICM7555
R20
6
-
C25
220pF
C5
10K
R5
+5V
8
6
R3
1
U3
3
HFD5
2.7K
2
18
R14
+5V
3.3K
+5V
R4
20
13
+
15
HFD7
HFD5
16
9
12
10
4
HFD6
HFD3
5
6
HFD4
HFD2
HFD1
7
HFD3
14
HFD1
HFD2
16
HFD0
HFD0
18
0.1
-15V
KVP CONTROL PCB A-189
Revision
0
10-11