Lincoln Electric INVERTEC SVM158-A Service Manual page 154

G-8
SCHEMATIC - POWER SUPPLY PRINTED CIRCUIT BOARD
J41
DC Input (+)
2
J41
4
Machine Control
Shut Down
Capacitor
J41
3
J41
DC Input (-)
1
Undervoltage
Detect
<30VDC
J42
4
DZ2
27V
.5W
DZ3
27V
.5W
Overvoltage
Shutdown
> 55 VDC
OV2 OV1
D14 D17
DZ4
C33
3.3V
4.7
3W 35V
D4
6A
200V
10-55 VDC
Operation
10.0K 10.0K 10.0K
D22
1.0A
30V
C13
7 VCC OUT 6
1
200V Vref 1 8 2
D3 VREF VFB
1A
4 1
RT/CT COMP
600V
5 GND CS 3
X5
+ t
7
R55
T1
OV1
6
C6 C7
4.7 0.1 R39
35V 50V
56.2K
C8
820p
50V
C32
10p
100V
GND
DZ1
24V
3W
+5V
Operation
1.00K
30-55 VDC
D2
1A
5 1 D23
600V 1.0A
30V
OCI2
CNY17-3
4 6 2
7 6
VCC OUT
Vref 2
8 VREF VFB 2
C49
R34
.022 4 1
RT/CT COMP
221K
5 3
GND CS
X4
C27
OV2
C26
150p
1
gnd_mcps 100V 200V
C2
C3
4.7 0.1 R38
35V 50V
56.2K
C4
C28
820p
10p
50V 100V
D13
D15
X7
IN OUT
1A
4 600V
GND
C1 C5 C30
T2 4.7 0.1 1.0
35V 50V 35V
11
D12
D1
X6
IN OUT
1A
5
600V
GND
C9
C10 C29
T2
4.7 0.1 1.0
35V 50V 35V
10
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS
D18
1 2 6A
200V
10
T1
T1 C43 C41
C12 100 100
.0015 16V 16V
2000V
3
R9 11 12
10.0
R60
D
10.0
Q1
G 21A
R61 200V
S
10.0
DZ8 D19
Vfb1
18V 3A
R10 R5
3W
600V
100K 100K
9
D21
C11 C14
1.0A 22 0.1
T1
30V 35V 50V
475
4
R12
5.62K
3W
0.05
5
C38 C44
T1 4.7 0.1
35V 50V
8
14
D8
1A
T2
600V
1
C31
.0015
2000V
D
Q2
G 21A
R32 200V
S
15.0
D9
1A
DZ7
R31
Vfb2 18V 600V
3
C53 75K R29 3W
.1
100K C24 C25
T2 4.7 0.1
D20 C52
35V 50V
1.0A 150p
12
30V
R28
5.62K
3W
249 0.05
D16
16A
200V
2
C37 C36 C35 C34
T2 100 100 100 0.1
16V 16V 16V 50V
13
J43
5
+5Volts, .100 Amp
150
.33W CAN D7
1A
6 600V
J43
10
C17 C18 C21
T2
4.7 4.7 0.1
35V 35V 50V
9
J43
D6
4 1A
7 600V
C20 C19 C22
+5Volts, .100 Amp T2
4.7 4.7 0.1
35V 35V 50V
150 8
.33W RS232
J43
9
NOTES :
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
NUMBER.
+5V
Machine Control Power Supply
R50
+ t
.13
60V
LED2
+5Volts, .750 Amp
C39
0.1
33.2 33.2
50V
332
Vref 1
+15Volts
.750 Amp
D24
1 5
J42
OCI1
X8 1
IN OUT CNY17-3
2 6 4
Vfb1
ADJ
C47
1.0 1.21K R52
1.82K
35V .33W
221K
C45
150p
100V
C42
R13
2700p
10.0K
50V
1
X1 8
TL431 REF
-15Volts, .100Amp
C40 6
1.0 1.21K
35V .33W
ADJ
J42
IN OUT
X9 2
gnd_mcps
D25
D10
J43
X3 6
IN OUT
ADJ
C23
1.0 1.21K
35V .33W 15Volts, .250Amps
SPI
R40
+ t
.13
60V
LED1
+5Volts, 3 Amps
150 150 150
.33W .33W .33W
Vref 2
332
15
1 5
J43 OCI3
R17
CNY17-3
8
+ t
2 6 4
.24 Vfb2
+20Volts
475K
.200 Amps
R21
2.49K Gate Drive
.33W
C46
150p
100V
J43
2
1.82K
C16
R22
J43
R24 2700p
10.0K
7
50V
+ t
.24
1
+20Volts
X2 8
TL431 REF
.200 Amps
6
2.49K
Gate Drive
.33W
J43
1
FILENAME: G3631-2D2
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
CAPACITORS = MFD ( .022/50V
RESISTORS = Ohms ( 1/4W
DIODES = 1A, 400V (UNLESS OTHERWISE SPECIFIED)
THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY THE LINCOLN ELECTRIC COMPANY AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS WRITTEN PERMISSION OF THE LINCOLN ELECTRIC COMPANY, CLEVELAND, OHIO U.S.A.
UNLESS OTHERWISE SPECIFIED TOLERANCE "X" INFO. Chg. Sheet No.
DESIGN INFORMATION REFERENCE: EQUIPMENT TYPE:
MANUFACTURING TOLERANCE PER E2056
ON 2 PLACE DECIMALS IS ± .02
6-2-2000A
DRAWN BY: JP\TK
ON 3 PLACE DECIMALS IS ± .002
SUBJECT:
ON ALL ANGLES IS ± .5 OF A DEGREE 10-27-2000E
ENGINEER:
MATERIAL TOLERANCE (" ") TO AGREE t SUPERSEDING:
WITH PUBLISHED STANDARDS.
SCALE:
DO NOT SCALE THIS DRAWING APPROVED:
G-8
J42
3
5
J42
J42
6
J43
3
SPI
J43
11
J43
12
LAST NO. USED
R-
C-
UNLESS OTHERWISE SPECIFIED)
LABELS D-
UNLESS OTHERWISE SPECIFIED)
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
EARTH GROUND CONNECTION
Digital Systems
Schematic, Digital Power Supply
3631
NONE DATE: 11-30-98 DRAWING No.:
V350-PRO