Lincoln Electric SVM189-B Service Manual page 110

G-8
SchEmaTic - machiNES WiTh cONTiNuOuS vOlTaGE cONTrOl (G4822-1)
+15V
R28
3.74K
7.5K
681
332
203
CW
Wire Feed
R21
Speed
10K 100K
0.1uF
AC_HOT
115
J4
3
115
1
J4 T1
1
2
230
BOARD
J4 3
TRANSFORMER 2
T1
115 / 230 SELECTION
4
J4
4
H2
AC COM TS1
1
INPUT
FAN
AC COM
TS1
TO FAN 2
WINDING
1
AC COM
TS1
3
TO
TRANSFORMER
AC_HOT
FAN
AC HOT TS2
2
TO FAN
WINDING
+15V
R71
562
CW
Voltage
Control
10K
C29
0.1uF
50V
R72
1.21K
203
+15V
Vo D27
1A
400V
R95
1K
1K
AC HOT
115/220V
6
LINE
AC_HOT
1
TS2
C50 C51
R98
0.0047uF 0.0047uF
250V 250V
51 5W
2
J3
75
511
511
D22 1A 400V
0.022uF
C35
50V
10K
Vmiave
Vm
100K
10
4.32K
12 8
X1 R44
14 9 10K
X1 R29 33074A
C7
13
4.32K
33074A
50V
R16
100K
R31 R30
100K
100K
C6
0.1uF
203 50V
BOARD SUPPLY
D24 D26 1A
+15V
1A 400V
D15 400V
D23
1A 1A
400V 26.7K
5
400V
IN OUT
X6
6
7815 7815
C38
C36
82uF
7 T1 D16 GND
68uF
D17 26.7K 35V
T1
1A 63V
8
400V
203
VOLTAGE
CONTROL D19
TIME RAMP
1A
12 400V
SCR FIRING
14 5
DZ4 X7 R88
10V 13 7
224N 68.1K X7
1W C34
6
R80 224N
D18 0.1uF
+5.0R 50V
D25 1K
1A 1.3K
400V
400V
203 +15V
OCI1
203
8.2V
DZ5 1
1W
C48
0.1uF
50V
2
D20
203
1A 400V
56.2K
R92
C37
50V 100K
0.022uF
R70
9
56.2K
X7
8
OUTPUT 224N
10 VOLTAGE
VOLTAGE
CONTROL
FEEDBACK
AMP
3
R105
1
22.1K
X7 R102 R104 +5.0R
2
C43 56.2K 56.2K
D29 224N
0.1uF 1A
50V 400V
203
TO
HI
TRANSFORMER
PRIMARY
3
TS2
SCR GATING AND SNUBBING
C42
0.1uF 275VAC
C41
1400V
0.0047uF
0.022uF
C40
SCR2
50V
55A
800V +15V
D28
400V
75 1A
1A
400V
D31 4
75 4
6 4
OCI1
511 C39 C13
D30 1A 511 X7 X1
0.1uF 0.1uF
400V
224N 50V 33074A 50V
11 11
SCR1
55A
800V
203
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ElEcTrical DiaGramS
+5.0R
MOTOR
+15V
PWM
D21
15K
8
R26 VREF
1A/FR
4 7
400V
RT/CT VCC
2 6
VFB X3 OUT
1 5
R43 COMP GND
C8
3 2843A 2843A
10K CS
0.1uF
C19
50V
C20
100pF
0.0047uF R45
100V Vmi
50V 15K
C25
51.1K 2K
0.0027uF
50V
C18
47.5K
0.0047uF
50V
203
203
D7
C24
1A
0.022uF
D6 4.75K
400V
50V
1A
203 400V
+5.0R
3
1
X1 R38
2
267
R24 33074A
68.1K
R37
22.1K C17
D3
1A
0.1uF
400V 50V
203
+15V
6 7
J3 J3
J5
Thermostat(s)
2
R23
3.32K
TRIGGER
C12
0.0047uF
1400V
R12
4.32K C4
C5
0.0047uF
0.022uF
1400V
50V
J5
4
BURNBACK
203
D4
10
R8
1A
8 475
X2 400V
9
C1
47.5K
33074A 33.2K
1uF
+5.0R
63V
203
1A
Vo
400V
D35
+15V
1A
400V
C49
D10 OUTPUT 51 51 51
4.75K 22uF
1A
63V CAP BLEEDING 5W 5W 5W
400V
Q7
R68
.5A 203
C28 4.75K 40V
Q11
0.1uF
100
50V D14 10A
R78 100V
C47
1A 400V
0.1uF
50V
R77
R107
1M
100
Q10
R108 C31
0.5A R115
1uF
1K
40V
D33 1M
63V
1A
1K
400V
203
203
14
4
Vcc
C11 C23
X2 X4
0.1uF 0.1uF
33074A 50V 556N 50V
GND
11 7
13 12
R81 R73 R74 R76 X5
68.1 10K 10K 100
4584B
14
11 10
X5
C33
MOTOR
0.1uF 4584B
50V BRAKE
C32 X5
1A/FR
D13 FET
22uF 400V 9 8
X5
4584B 4584B
63V
4584B
7
5 6
X5 R85
100
4584B
3 4
X5
D12 100K
4584B
400V Q9
1A 1 2
120mA X5
R75
4584B
200V
15K BS107
C30
0.022uF
50V
203
56.2K
R17
C16
Vm
0.1uF 50V
6
R25 X1
7
475
C53 33074A 5
0.022uF
50V
28K
203
J5
3
Trigger
J5
6
Vmiave
5
R133
7
X2 100K D1
6 1A
C14
400V
33074A
1uF
63V
C54
0.1uF
203
Vo 50V
203
SOLENOID PWM
8.25K
+15V
Q2 100
195mA
60V Q6
22.1K
0.5A
+15V
40V
16.5K
D2
0.0047uF
C3
50V D5
203
0.2A
681K
30V
13 X4
12
X2 R5 THRESH
14
11 13
68.1K CNTVOLT
33074A DISCHG
12
C2
C22 C21 8 9
TRIG OUT
C10 C9 820pF
820pF
0.1uF 10
0.1uF 0.1uF
50V 50V 50V RESET
50V 50V 556N
203
Q4
0.5A
203
40V
Q5
0.5A
15K
40V
203
D9
1A
400V
22.1K X4
2
+15V R66 THRESH
3 1
CNTVOLT DISCHG
22.1K
6 5
TRIG OUT
R67
4
RESET
556N
C26 C27
0.1uF 0.022uF
50V
50V
203
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
DESIGN INFORMATION
REFERENCE:
PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGE- DRAWN BY: LC ---------
ABILITY OF A COMPLETE BOARD, THIS
DO NOT
DIAGRAM MAY NOT SHOW THE EXACT ENGINEER: APM
SCALE THIS
COMPONENTS OR CIRCUITRY OF CONTROLS
APPROVED:
HAVING A COMMON CODE NUMBER. DRAWING
G-8
Vo
3 204 19-30VDC
J3
J3 FROM
10
LARGE
CAPACITOR
2.2
5W
J3
4
Q8 D8 541
J5
3A/FR
4A 1
600V
100V SPOOL
FEED GUN
MOTOR CONNECTION
J5
5
DZ3
18V
539
1W
5
J3
150K
R39 Vo
150K
C15
56.2K
0.1uF
50V
203
Q1 MOTOR
18A DRIVE
200V FET
R20
Vmi
100
DZ1
18V
1W
3.32K
3
R34
1
200
R134 X2
2
475
33074A 0.51
5W
909
R36
2K
J3
1
203
203
+15V
R63
2.21K
15K
Vo
D34
1A/FR
400V
TO
J3
SOLENOID
9
VALVE
Q3
18A
R51 200V
100
R123
100
C52
100
0.1uF
50V
2 2
2 2
J3
8
203
LAST NO. USED
GENERAL INFORMATION
R- 134 Q- 11 OCI- 1 T- 1
ELECTRICAL SYMBOLS PER E1537
C- 54 X- 7 SCR- 2 S- 1
CAPACITORS = MFD ( .022/50V UNLESS OTHERWISE SPECIFIED)
LABELS D- 35 DZ- 5 TS- 2
RESISTORS = Ohms ( 1/4W UNLESS OTHERWISE SPECIFIED)
DIODES = 1A,400V (UNLESS OTHERWISE SPECIFIED)
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
EARTH GROUND CONNECTION
EQUIPMENT TYPE: SMALL WIRE FEEDER WELDERS PAGE 01 OF 01
DOCUMENT
SUBJECT: SCHEMATIC, CONTINUOUS CONTROL PCB DOCUMENT
REVISION:
NUMBER:
MATERIAL APPROVAL PROJECT G 4822-1E2 A.02
NA 9/27/2006 5021279-E
DISPOSITION: DATE: NUMBER:
cOmpacT WirE WElDErS