Instruction Manual

C
USA PROJECTION
SHEET
SIZE DRAWING NO.SCALE
Valco Instruments Co., Inc.
ANGLES
1
SUB-DIR
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63
DATE
OF
BOARD ASSY. I-22218
1/16/89
\ITC\
22219---
SCHEMATIC
ITC REV P
APPROVED
DRAWN
DESIGNED
FRACTIONS
OTHERWISE SPECIFIED
TOLERANCES UNLESS
1/64"
CHECKED
FILE NAME
M.CHIU
22219
DEC.
.X.1
.XX.01
.XXX.005
MT1
MT2
MT3
N
E
U
T
W
H
I
T
H
O
T
B
L
K
RE
MT6
MT5
L1
MT4
TO LOAD
POWER SUPPLY
HOT
BLACK
NEUTR.
WHITE
GND
GREEN
G
N
D
G
R
E
E
N
A
C
JUMP
CUT
CUT & JUMP FOR
220V MODLES
L2
P
O
W
E
R
I
N
Q4015L
TR1
R14
**
F1 10A
F2 .5A
SW1
T1 DSC4-24
** R13, R14 - 220V
R13
*
*
*
MODLES ONLY
*
JUMP FOR 110V MODELS
R
9
+12V
10K
C4
4.7MF
+12V
TP9
+
8
5
4
6
3
1
2
7
TP8
-12V
*
C1
+
220V
7912
VR1
4.7MF
C3
.022uF
C5
+
C2
+
220V
C6
.022uF
VR2
7812
+-
BR1
+12V
3
2
4
1
8
358
Z4
R11
100K
C15
.022uf
100K
RN3
413
358
7
6
5
-
+
125
RN3
100K
TP6
ZERO CROSSING
7.21V DC
Z4
/
+
-
2
A65
10K
Q1
A13
1
2
1
/
+12V
RN3
6
11
10
7
100K
RN3
100K
-12V
R
Y
CO2
953
R6
R5 10K
+12V
R7 10K
TP1
-12V
R12 1K
C9
.022uf
C10
.022uf
FRONT END
C8
.022uf
TCPL TEMP.
- 100V
Q3
A65
Q2
215
16 1
RN1
RN1
10K
THERMOCOUPLE FAULT
L3
R2 2.2K
+12V
5
7
13
6
10
9
8
Z1
AD
595
-IN
+IN
COUNT
+V
+ALM
-V
-ALM
FB
V0
14
1
12
3
4
2
11
-
3
2
1
1
358
Z3
10
4.7uf
C14
8
9
100K
RN2
RN2
100K
+
-12V
98
RN3 100K
BANDWIDTH ADJ.
+
2
/
R8A
6
11
7
1MF
C13
RN2
100K
+
10K
-12V
R8B
715
TP2
+5V
-5V
VOLT. READING
-12V
5
6
7
2
358
Z2
2
+
C12
1MF
-12V
COMPARE
+
-
1
RN2
15
RN2
13
RN2
4
C11
.22uf
16 1
100K
100K
100K
TP4
RN2
100K
/
Z2
358
/
8
1
4
2
3
-
+
D1
1N914
+12V
3
14
-12V
C7
27pF
R3
2.2Meg
R4
10
TP3
HEAT
ECN #3334 CORRECT SCHEMATICC
1
2
Z7
6
2
4
5
3
1
MOC
3011
R1
100
Z3
358
7
6
5
+
RN3
16
1
215
RN3
100K
100K
4
-12V
8
+12V
100K
14
3
RN3
REF.
(NOT INSTALLED)
/
2
-
1
6
2
5
73
4
9
8
10
R10 10K
1
+12V
314
RN1
10K
4013
Z5
1
5
2
11
12
13
3
14
6
10
4
7
9
8
TP7
C16
.022uf
4017
Z6
11
9
6
15
12
ATTENUATOR
+12V
RES
C
Q
CK
EN
Q1
Q4
Q5
Q6
RES
S
HEAT
Q7
Q8
Q9
Q3
Q2
Q0
Q7
12
2
13
8
14
C
Q
D
5
1
10
7
+12
512
413
RN2
RN1 10K
5
RN1
100K
10K
16
3
4
NC
TP5
REFERENCE
VOLTAGE
10.00V DC
11
12
13
14
15
16
17
1
CO1
N/C
3
5
6
4
8
7
9
10
2
2
3
4
5
6
7
8
9
1
C
20
19
18
SELECTOR
ATTENUATOR
TEMPERATURE
FRONT PANEL
CONTROLS
SELECTOR
10K
REVISIONS
LTR DESCRIPTION DATE
A REPLACE R9A,B FOR TRIM POT 10K(R9) 3/1/89
ECN #2050 UPDATE DRAFTING STANDARDSB 4AUG94
7AUG96
INITIATED
J DURR
J DURR
23