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ELECTRICAL DIAGRAMS
G-15
COMMANDER 400
SCHEMATIC - CV CONTROL PC BOARD
+10v
6.81K
R17
6.19K
R16
50V
0.1
C3
1.00K
R11
J21
5
50V
0.1
C2
J21
2
100
R12
10.0K
R15
26.7K
R18
28.0K
R19
X1
7
6
5
.33mH
L1
1W
10V
DZ2
10K
R13
100
R10
D3
J21
6
X1
14
13
12
15.0K
R14
J20
6
J20
7
com
com
com
J20
10
EQUIP.
17741
FILE: M17741_1AE
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
THE LINCOLN ELECTRIC CO.
AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS PERMISSION OF
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
SUBJECT
CHK.
DATE
TYPE
CLEVELAND, OHIO U.S.A.
THE LINCOLN ELECTRIC CO.
NONE
COMMON CONNECTION
FRAME CONNECTION
SHT.
NO.
M
SUP’S’D’G.
EARTH GROUND CONNECTION
POWER SUPPLY SOURCE POINT
COMMANDER 400 S & W
DR.
SCALE
THE LINCOLN ELECTRIC CO.
9/14/94
WITH PUBLISHED STANDARDS
MATERIAL TOLERANCE ("t") TO AGREE
17741
M
SUPPLY
3
VOLTAGE NET
C-
D-
R-
LAST NO. USED
19
UNLESS OTHERWISE SPECIFIED)
MFD
GENERAL INFORMATION
(
1/4W
.022/50V
(UNLESS OTHERWISE SPECIFIED)
5
V/A SWITCH
A
-CV STUD
V
LABELS
RESISTORS = Ohms (
ELECTRICAL SYMBOLS PER E1537
1A, 400V
DIODES =
UNLESS OTHERWISE SPECIFIED)
CAPACITORS =
CV MODE ENABLE
D2
J20
8
X1
8
9
10
10K
R2
D1
10.0
R5
5W
68
R6
1.8
20V
C1
C5
475K
R4
40V
600mA
Q1
J20
2
3.32K
R1
CNY17-3
OCI1
42
1
6
5
562
R8
1W
15V
DZ1
J20
3
50V
0.1
C4
X1
1
2
3
33074A
X1
4
11
562
R9
J21
1
J20
5
100V
1A
Q2
5W
68
R7
J20
1
J21
4
1.00K
R3
com
com
+10v
+10v
com
+10v
ON 3 PLACE DECIMALS IS + .OO2
ON 2 PLACE DECIMALS IS + .O2
ON HOLES SIZES PER E-2056
SCR 1 GATE
SCR 1 CATH
SCR 1
GATE DRIVE FOR
THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY
LAST CHANGE
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON ALL ANGLES IS + .5 OF A DEGREE
CVSCR COM
NOT USED
FROM MCU
+15 CVSCR
NUMBER.
NOTES :
J20
4
XA
CV CONTROL PC BRD SCHEMATIC
I.E.B./JB
12-13-96
BS
G-15
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NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.