Lincoln Electric POWER MIG 11521 Service Manual page 96

G-6
SchEmaTic - cONTrOl bD - G4414 pG2
ElEcTrical DiaGramS
PRIMARY_POSITIVE +DC_IN
20K
43.2K
1W
C10
C10 C4
0.0033F 0.0018F
0.01uF
100V 100V 200V
CLUSTER 3 CLUSTER 2
25-75VDC
OPERATION
OR 20-60VAC
OPERATION
(D25 REQ.)
7
VCC
6
D4 OUT
1A
5
400V GND
2842AD8
C2
82uF
35V
COMMON -DC_IN
COM
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
1A
600V
T1
1
10
T1
D2
0.0033uF 1A
9
630V 600V
15W 2
D3
C9
3
Q1
17A
R35 200V
33.2
4
DZ3
15W
39.2K 0.1W
18V
R50 0.5W
1.5K
0.1W
2.21K
8
VREF R23
4
RT/CT
2
X1 VFB R28
1
5.11K
COMP
C6
0.1W
3
CS 150pF
100K C29
100V
0.1W 0.1uF
50V
R48
301
1.5K
1 0.1W
C8 0.1W
1
C7 100pF 1
100V
0.0047uF 1
50V
CLUSTER 1
POSITIVE_15V
+15V
0.55A
C28
C5
0.1uF 220uF
50V 25V
IN OUT POSITIVE_5V
X5
78M05C
+5V
GND
0.5A
C3 C31
220uF 200 200 82uF
25V 35V
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
.022/50V
CAPACITORS = MFD ( UNLESS OTHERWISE SPECIFIED)
1/4W
RESISTORS = Ohms ( UNLESS OTHERWISE SPECIFIED)
DIODES = 1A,400V (UNLESS OTHERWISE SPECIFIED)
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.
SINCE COMPONENTS OR CIRCUITRY ON A EQUIPMENT TYPE: COMMON WIREDRIVE CONTROL
DESIGN INFORMATION
PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGE- DRAWN BY: APM 7-10-2008
SUBJECT: SCHEMATIC, CONTROL PCB
ABILITY OF A COMPLETE BOARD, THIS
DIAGRAM MAY NOT SHOW THE EXACT ENGINEER: APM REFERENCE:
MATERIAL NA APPROVAL
COMPONENTS OR CIRCUITRY OF CONTROLS --------- --------
APPROVED:
DISPOSITION: DATE:
HAVING A COMMON CODE NUMBER.
G-6
LAST NO. USED
R- _
SEE PAGE 1
C- _
_
LABELS D-
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
EARTH GROUND CONNECTION
PAGE 02 OF 03
DOCUMENT DOCUMENT
NUMBER: REVISION:
4414-2G0 A
PROJECT G
CRM_____
NUMBER:
pOWEr miG® 215XT