Lincoln Electric 11141 Service Manual page 134

G-8
SChEmaTiC - pOWEr SuppLy priNTED CirCuiT bOarD
OV2
D4
6A
200V
10-55 VDC
Operation
10.0K 10.0K 10.0K
D22
1.0A
30V
C13
1 7 VCC OUT 6
J41 200V Vref 1
DC Input (+) D3 8 VREF VFB 2
2
1A
4 RT/CT COMP 1
600V
5 GND CS 3
J41
X5
4
+ t
7
R55
T1
OV1
Machine Control
6
Shut Down
C6 C7
4.7 0.1 R39
Capacitor
35V 50V 56.2K
C8
820p
50V
C32
J41 10p
100V
3
J41 GND
DC Input (-)
1
DZ1
24V
3W
+5V
Operation
Undervoltage
1.00K
30-55 VDC
Detect
D2
1A
<30VDC 5 1 D23
600V 1.0A
30V
OCI2
CNY17-3
J42 4 6 2
4
7 6
VCC OUT
Vref 2
8 2
DZ2 C49 VREF VFB
R34
27V .022 4 1
RT/CT COMP
.5W 221K
5 3
GND CS
C27 X4
C26 OV2
150p 1
DZ3
200V
27V gnd_mcps 100V
C2
.5W C3
4.7 0.1 R38
35V 50V
56.2K
Overvoltage
C4
C28
820p
Shutdown 10p
50V
100V
> 55 VDC
OV1
D14 D17
D13
DZ4
C33
3.3V
4.7
3W
35V
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
C10 C9 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
Machine Control Power Supply
D18
1 2 6A
200V
LED2
10
T1
C43 C41 C39
T1
C12 100 100 0.1
.0015 16V 16V 50V
332
2000V
3
R9 11 12
10.0
R60
D
10.0
Q1
21A
G
R61 200V
D24
S
10.0
DZ8 D19
Vfb1 X8
18V
R10 R5 3A IN OUT
3W
600V
100K 100K
ADJ
9
D21
C11 C14
1.0A
T1 22 0.1
30V
475 35V 50V
4
R12
5.62K
3W
0.05
5
C38 C44
T1 4.7 0.1
35V 50V
8
ADJ
IN OUT
X9
14
D8
1A
T2 600V
D25
1
C31
.0015
2000V
D10
D
Q2
21A
G
R32 200V
X3
S
15.0 IN OUT
D9
1A
DZ7
R31 Vfb2 600V
18V
3 ADJ
C53 75K R29 3W
.1
100K C25
C24
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
150 150
16V 16V 16V 50V
.33W .33W
13
J43
5
+5Volts, .100 Amp
R17
150
.33W CAN D7 + t
1A .24
6 600V
J43
10
C17 C18 C21
T2
4.7 4.7 0.1
2.49K Gate Drive
35V 35V 50V
9 .33W
R24
J43
+ t
D6
4 1A .24
600V
7
C20 C19 C22
+5Volts, .100 Amp T2
4.7 4.7 0.1 2.49K
Gate Drive
35V 35V 50V .33W
150 8
RS232
.33W
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
R50 J42
3
t
+
.13
60V
+5Volts, .750 Amp
33.2 33.2
Vref 1
+15Volts
.750 Amp
1 5
J42
OCI1
1
CNY17-3
2 6 4
Vfb1
C47
R52
1.0 1.21K
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
5
35V .33W
J42
J42 J42
2 6
gnd_mcps
J43
6
C23
1.0 1.21K
35V .33W 15Volts, .250Amps
SPI
R40 J43
3
+ t
.13
60V
LED1
+5Volts, 3 Amps
150 SPI
.33W
Vref 2
332
15
1 5
J43 OCI3
CNY17-3
8
2 6 4
Vfb2
+20Volts
475K
.200 Amps
R21
C46
150p
100V
J43
2
1.82K
C16
R22
J43
2700p
10.0K
7 50V
1
+20Volts
X2 8
TL431 REF
.200 Amps
6
J43
11
J43 J43
1 12
FILENAME: G3631-2D2
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
MFD (
CAPACITORS = .022/50V UNLESS OTHERWISE SPECIFIED)
RESISTORS = Ohms ( 1/4W UNLESS OTHERWISE SPECIFIED) LABELS
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 EQUIPMENT TYPE:
MANUFACTURING TOLERANCE PER E2056 REFERENCE: Digital Systems
ON 2 PLACE DECIMALS IS ± .02
6-2-2000A
ON 3 PLACE DECIMALS IS ± .002 DRAWN BY: JP\TK
SUBJECT: Schematic, Digital Power Supply
ON ALL ANGLES IS ± .5 OF A DEGREE 10-27-2000E
MATERIAL TOLERANCE (" ") TO AGREE t ENGINEER:
SUPERSEDING:
WITH PUBLISHED STANDARDS.
SCALE: NONE DATE: 11 -30-98 DRAWING No.:
DO NOT SCALE THIS DRAWING APPROVED:
G-8
LAST NO. USED
R-
C-
D-
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
EARTH GROUND CONNECTION
G 3631
pOWEr WaVE ® 355m/405m