Electrical diagrams, G-17, Ln-25™ pro – Lincoln Electric LN-25 SVM179-B User Manual
Page 95
ElECTriCal DiaGrams
G-17
lN-25™ prO
sChEmaTiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 11388, 11507, 11508 (G4745-1) pG 4
ELECTRODE
WORK
GND
+5V
GND
POLARITY_SENSE
+15V
-15V
METER_COMP
GND
+15V
-15V
GND
+15V
-15V
GND
221K
R180
221K
R175
221K
R174
221K
R173
221K
R181
221K
R176
221K
R177
221K
R179
221K
R178
33074ADT
X6
7
6
5
3.32K
R182
3.32K
R183
2.21K
R184
475
R171
0.1W
10K
R172
0.1W
20K
R170
33074ADT
X6
8
9
10
33074ADT
X6
1
2
3
0.1uF
C70
50V
D18
1
2
3
0.2A
30V
D19
1
2
3
0.2A
30V
0.1uF
C71
50V
1
2
3
D52
0.2A
70V
3
2
1
D51
0.2A
70V
D14
1
2
3
0.2A
30V
3
2
1
D50
0.2A
30V
9/24/2009
JPZ
FLEXIBLE POWER FEEDER
SCHEMATIC, CONTROL PCB
CRM39801
4745-1H0
A
04
05
JPZ
9-12-2008
R-
PAGE OF
REVISION:
DOCUMENT
DOCUMENT
NUMBER:
NUMBER:
PROJECT
DATE:
APPROVAL
NA
DISPOSITION:
MATERIAL
SUBJECT:
EQUIPMENT TYPE:
PROPRIETARY & CONFIDENTIAL:
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED
TO OTHER PARTIES, OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.
DRAWN BY:
ENGINEER:
APPROVED:
DESIGN INFORMATION
LAST NO. USED
C-
D-
_
_
_
DIODES =
ELECTRICAL SYMBOLS PER E1537
UNLESS OTHERWISE SPECIFIED)
RESISTORS = Ohms (
CAPACITORS = MFD
GENERAL INFORMATION
(
UNLESS OTHERWISE SPECIFIED)
POWER SUPPLY SOURCE POINT
EARTH GROUND CONNECTION
(UNLESS OTHERWISE SPECIFIED)
COMMON CONNECTION
FRAME CONNECTION
SUPPLY VOLTAGE NET
LABELS
.022/50V
1/4W
1A,400V
HAVING A COMMON CODE NUMBER.
COMPONENTS OR CIRCUITRY OF CONTROLS
DIAGRAM MAY NOT SHOW THE EXACT
ABILITY OF A COMPLETE BOARD, THIS
WITHOUT AFFECTING THE INTERCHANGE-
PRINTED CIRCUIT BOARD MAY CHANGE
SINCE COMPONENTS OR CIRCUITRY ON A
G
REFERENCE:
---------
SEE PAGE 1
ARC VOLTS READ
G-17
NOTE:
This diagram is for reference only. It may not be accurate for all machines covered by this manual.