Power Wave 455 Switch Pc Board Schematic - Code 10372 & 10555 - Lincoln Electric POWER WAVE SVM135-B Service Manual

G-16
POWER WAVE 455 SWITCH PC BOARD SCHEMATIC - CODE 10372 & 10555
R34
10.0
DZ4
6.2V
1W
T1
3
J9 GATE
1
3
4
PWM
DRIVE
5
6
GATE
2
J9
6
R26
10.0
DZ3
J9
2
+15V
4
C5
X2
LM224
11
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro-
vided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the
machine.
B
R43
4 7 10 13 16
10.0
C1 C2 C3 C4 C5
5
W1 R42 G1
8
0.01 10.0 G2
DZ5 A2
1.00K 1.00K 1.00K 1.00K 11
R41
15V G3
C7
1W 14
10.0 G4
.0047
17
50V R40 G5
DZ6 E1 E2 E3 E4 E5
10.0 3 6 9 12 15
15V
1W R39
10.0
2 19
C1 C2
C10
.0047
A1
1000V
A1 A2
1 18
A
R20
4 7 10 13 16
10.0
6.2V C1 C2 C3 C4 C5
5
W2 R19 G1
1W 8
0.01 10.0
G2
DZ1 A1
1.00K 1.00K 11
15V 1.00K 1.00K R18 G3
1W
C3 14
10.0
G4
.0047
17
50V R17
G5
DZ2 E2
E1 E3 E4 E5
10.0
15V 3 6 9 12 15
1W
R16
10.0
C
TO CONTROL BD.
(VOLTAGE PROTECTION)
(Pre-charge Shut-off)
3
1
X2
2
12
14
X2
13
ELECTRICAL DIAGRAMS
RECONNECT
C8
D3
.01
1A 2000V
1000V
13/14 OR 17/18
2500
TRANSFORMER
5W
2 19
PRIMARY
C1 C2
C9
.0047
A2
1000V
A1 A2
1 18
2500
19
5W
C12 C13 C14 C15
FILTER 2500
.22 .22 .22 .22
CAPACITOR 5W
1000V 1000V 1000V 1000V
2500
20
5W
11/12 OR 15/16
TRANSFORMER
PRIMARY
+
1
C1
D1
.01 X1 8
1A 2000V
REF
TL431
1000V
-
6
RECONNECT
+15V
DZ7
5.1V
1W
J9
1 R3 R5
221 1.21K
5 1
OCI1
CNY17-3V
4 6 2
C2
.022
267K
50V
NOTE: 203,206 BOLT ON WITH FILTER CAPS
BLEEDER
RESISTORS
150K
+15V
15.0K
D2
150K
R24
+15V
332K
10
8
C11 X2
2.8K
9
C6
27
35V
6.19K 18.2K
562
+15V
OVERVOLTAGE
PROTECTION
10K
5
7
X2
6
1.82K
J9
R21 4
3.32K
221
1 5
OCI2
10K TO CONTROL BD.
CNY17-3V
(VOLTAGE PROTECTION)
2 6 4
(Trigger Loop)
C4
.022
681K
50V
J9
5
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POWER WAVE 455/POWER FEED 10