Lincoln Electric SVM112-B Power Supply User Manual


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ELECTRICAL DIAGRAMS
G-12
POWER WAVE 450
SCHEMATIC - POWER PRINTED CIRCUIT BOARD
GND
IN
OUT
X9
301
R192
1mH
L116
1A
100V
Q111
GND
IN
OUT
X10
-8Vb
e
1W
5.1V
DZ115
1N4936
D43
CURRENT SOURCE
18.2K
R105
18.2K
R108
18.2K
R104
40mAe
+5Vc
c
FILE: G2240_1D2
Ch’ge.Sht.No.
CHK.
THE LINCOLN ELECTRIC CO.
DATE
SUPPLY
COMMON CONNECTION
FRAME CONNECTION
LAST NO. USED
LABELS
EARTH GROUND CONNECTION
SUP’S’D’G.
POWER SUPPLY SOURCE POINT
SHT.
NO.
R-198
G
2240
VOLTAGE NET
D-60
C-191
ELECTRICAL SYMBOLS PER E1537
UNLESS OTHERWISE SPECIFIED)
MFD
UNLESS OTHERWISE SPECIFIED)
NOTES :
(
DIODES =
GENERAL INFORMATION
(UNLESS OTHERWISE SPECIFIED)
30mA
NUMBER.
EQUIP.
CAPACITORS =
RS232
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
1/4W
1A, 400V
RESISTORS = Ohms (
.022/50V
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
250mA
DR.
6-26-94
TYPE
DB
CLEVELAND, OHIO U.S.A.
SUBJECT
SCALE
NONE
40mA @ 27V
60mA limit
18.2K
R103
18.2K
R106
18.2K
R157
301
R109
50V
0.1
C39
5W
27V
DZ10
J41
13
J41
12
J40
12
J41
11
J41
4
10K
R89
J40
15
J40
14
5W
27V
DZ13
J40
8
J41
5
1.50K
R92
J40
6
50V
0.1
C28
J40
7
J40
4
J40
5
4A
100V
Q11
J40
2
J40
10
1W
15V
DZ9
J40
16
3A
600V
D15
J40
11
J40
13
4A
100V
Q10
5W
27V
DZ11
J41
6
1W
15V
DZ12
DRIVE
GATE
GATE
T6
5
6
3
1
2
4
1N4936
D42
5W
27V
DZ14
DRIVE
GATE
GATE
T5
5
6
3
1
2
4
4.7
35V
C29
J41
15
J41
8
J41
10
J41
3
4.7
35V
C27
1.50K
R93
J41
7
.39mH
L120
d
gate 2
J41
14
SEC.
T1
6
10
d
18Vd18Vd
a
(cosmetic trace connecting ground planes)
FET DRIVE 1
J41
16
350mA
D26
4.75K
R40
2.67K
R37
2.7
50V
C17
1N4936
D17
d
gate 1
4.7
35V
C19
19t
FET DRIVER SUPPLY
3.32K
R80
10K
R88
300V
500mA
Q9
1W
15V
DZ7
3A
600V
D16
S
G
D
100V
Q8
D59
1N5402
.22mH
L4
18Vd
1W
15V
DZ8
4.75K
R36
2
150V
C18
1.3K
R39
50V
0.1
C26
2.21K
R197
5W
27V
DZ16
3A
600V
D14
-8Vb
e
40mAe
-5Vb
PWR_DN
+15Vb
+5Vb
J44
9
J41
1
J41
9
J40
1
J44
10
J44
11
J44
12
J44
7
J44
6
J44
8
301
R110
gate 1
-15Va
+5Va
J40
9
+15Va
gate 2
a
N.D.
b
J42
5
J42
10
J42
8
J42
12
J42
9
J42
11
J44
4
J42
6
J42
4
J44
5
SEC.
T4
7
9
10
6
J42
7
301
R193
J42
1
J42
2
J44
2
J44
1
J42
3
N.D.
Vcc(+15)
TESTVa
+5Vb
c
+5Vc
-8Vb
OPTIONAL 13VDC FAN
1A/20.4usec max
FET DRIVE 2
N.C.
Used on -1B
Used on -1B
Used on -1A
N.D.
N.B.
N.C.
J44
3
J40
3
J41
2
20t
1N4936
D34
1mH
L11
C178
1N4936
D29
50V
0.1
C36
4.7
35V
C35
-5Vb
9t
9t
8t
8t
20t
DISPLAY KEYPAD
15mA
20t
20t
100
R190
CR2
48
GND
IN
OUT
X7
2.43K
R170
4.7
35V
C30
2.43K
R168
2.43K
R167
50V
0.1
C166
D30
1000
35V
C33
50V
0.1
C37
D60
50V
0.1
C32
2.43K
R169
1N4936
D28
1N4936
D31
1mH
L10
1N4936
D32
1N4936
D35
PRI.
T1
5
3
1
PRI.
T2
5
3
2
4
1
1mH
L9
SEC.
T3
10
8
6
7
9
TL494
X1
12
7
PRI.
T4
5
3
1
PRI.
T3
5
3
1
Q15
2N4403
+5Vb
100
R57
PWR_DN
b
+5Vref
PWR DN
221K
R55
1.00M
R177
100K
R21
CNY17-3
OCI1
42
1
6
5
10K
R180
4.7
35V
C5
10K
R76
X2
2
4
5
1.00K
R34
4.75K
R35
Vcc(+15)
S-8054HN
Vdd
Vss
RES
X3
D36
150
R107
D39
1.00K
R163
50V
0.1
C159
1.00K
R162
1.00K
R164
2
150V
C102
4.7
35V
C38
CR2
13
9
100
R194
R156
150
15t
100V
.1
C190
30t
50V
0.1
C191
1N4936
D38
1N4936
D40
.39mH
L119
C189
1N4936
D37
1mH
L12
1N4936
D41
1.00K
R7
Q12
2N4401
D11
100
R3
12Vdc
CR2
1W
6.2V
DZ17
4.75K
R5
500
CW
R8
22.1K
R6
100
R61
12Vdc
CR1
50V
0.1
C16
18.2K
R2
PROTECTION
OVERCURRENT
D46
Vcc(+15)
+5Vref
Vcc(+15)
+15Vb
D12
3A
600V
D13
9t
9t
1N4936
D25
SEC.
T2
9
7
6
8
10
4.75K
R135
8t
50V
0.1
C141
4.75K
R138
4.75K
R136
50V
0.1
C139
2.21K
R188
2.21K
R187
OUT
IN
GND
X6
8t
1W
12V
DZ5
12.1K
R30
12.1K
R195
10K
R31
47.5K
R185
68.1K
R184
50V
0.1
C175
7
12
TL494
2-IN
1+IN
DT CON
C1
2+IN
COMP IN
Vref
1-IN
GND
E2
E1
Ot C
Ct
Vcc
Rt
C2
X1
16
1
15
2
3
14
4
13
11
9
10
6
5
8
100
R13
10K
R9
Vcc(+15)
+5Vref
10K
R25
1.00M
R27
G
D
S
18A
200V
Q6
100
R14
100
R15
2.21K
R10
600mA
40V
Q4
1W
15V
DZ4
50V
.0047
C8
1.00K
R11
50V
.022
C12
X2
13
10
11
X2
1
6
7
10K
R23
1.00K
R26
1N4936
D27
10K
R22
10K
R29
10K
R24
1.00K
R16
1.0
35V
C11
13.7K
R28
X2
14
8
9
40V
600mA
Q3
1N4936
D58
1W
15V
DZ3
26.7
R18
600mA
40V
Q2
D47
100
R4
1W
6.2V
DZ6
200mA
60mA
c
e
DISPLAY KEYPAD
RS 232
40mAe
+5Vc
T4
-8Vb
CURRENT SOURCE
D/K
USE
FET DRIVER
a
d
GND
+15Va
18Vd
FET
BRD
CTRL
-5Vb
-15Va
b
+15Vb
WELD & CURRENT CONTROL
DISPLAY KEYPAD
DISPLAY KEYPAD
T3
+5Vb
DISPLAY KEYPAD
INVERTER POWER SUPPLIES
T1
VOLTAGE
WELD & CURRENT CONTROL
WELD & CURRENT CONTROL
+5Va
T2
TRANS
D/K
.5
5W
R19
D33
200
R64
400V
.001
C10
200
R63
200
R66
200
R65
200
R70
50V
0.1
C13
LM2901
X2
3
12
GND
IN
OUT
X8
50V
0.1
C15
50V
0.1
C34
50V
0.1
C165
SWITCH_GND
Vcc(+15)
+15Vb
+5Vb
b
Vcc(+15)
1.0
35V
C14
8A
400V
D1
4.7
35V
C3
1W
15V
DZ2
8A
400V
D4
3900
80V
C1
50V
0.1
C6
3000V
.0047
C42
3000V
.0047
C41
5W
1K
R139
J43
2
J43
1
3000V
.0047
C40
160J
320V
TP3
8A
400V
D2
160J
320V
TP1
J43
3
160J
320V
TP2
1N4007
D9
1N4007
D10
3900
80V
C2
1N4936
D8
267
R59
4.7
35V
C4
1mH
L3
26.7
R196
100
R56
1N4936
D5
475
R198
1N4936
D6
J43
4
Vcc(+15)
+15Va
+5Va
b
TESTVa
50V
0.1
C21
-15Va
a
WELD & CURRENT CONTROL
380mA
50mA
GND
IN
OUT
X4
D23
243
R86
1.50K
R83
ADJ
IN
OUT
X5
50V
0.1
C140
1.50K
R150
50V
0.1
C25
100K
R33
CR1
13
9
2.21K
R142
4.7
35V
C22
100
R191
4.7
35V
C24
1mH
L8
2.21K
R144
.22mH
L7
4.75K
R137
4.7
35V
C20
1N4936
D19
3A
600V
D22
C177
2.21K
R145
2.21K
R143
1N4936
D24
3A
600V
D21
1N4936
D18
CR1
48
1mH
L6
C176
100
R186
D20
50V
0.1
C23
100K
R32
Q7
2N4401
20t
4t
20t
20t 20t
N.B.
SWITCH_GND
N.C.
N.B.
N.C.
G
42VAC
2240
PRIMARY SWITCHING CIRCUIT
VOLTAGE
FEEDBACK
5W
1K
R130
1A
100V
Q13
5W
1K
R1
1N4936
D7
8A
400V
D3
200
R67
40V
600mA
Q1
100
R12
200
R69
G
D
S
18A
200V
Q5
26.7
R17
50V
0.1
C7
400V
.001
C9
200
R68
INVERTER WELDERS
SCHEMATIC, POWER P.C. BOARD
RM
4A
3-29-96L
1-6-95B
7-9-99F
G-12
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
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