Power Wave 455 Switch Pc Board Schematic - Code 10553 - Lincoln Electric POWER WAVE SVM135-B Service Manual

G-17

POWER WAVE 455 SWITCH PC BOARD SCHEMATIC - CODE 10553

R34
10.0
DZ4
6.2V
1W
T1
3
J9 GATE
1
3
4
PWM DRIVE
5
6
GATE
2
J9
6
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
10.0
C1 C2 C3 C4 C5
R42 G1
10.0
G2
A2
DZ5
15V R41 G3
1W
1.00K 1.00K 1.00K 1.00K 10.0
G4
C7
R40 G5
E1 E2 E3 E4
DZ6 E5
.0047
10.0
15V
50V
R39
1W
10.0
C1
C10
.0047
A1 1000V
A1
A
R26
10.0
R20
10.0
6.2V C1 C2 C3 C4 C5
R19 G1
1W
10.0
G2
DZ1 A1
1.00K 1.00K
15V 1.00K 1.00K R18 G3
1W
10.0
G4
C3
.0047 R17
G5
DZ2 E2
E1 E3 E4 E5
50V
10.0
15V
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
.047
1600V
D3
1A
1000V
13/14 OR 17/18
C1
TRANSFORMER
C9
PRIMARY
.0047
1000V
A2
A1
19
FILTER CAPACITOR
20
11/12 OR 15/16
TRANSFORMER
PRIMARY
C1
.047
+
D1
1600V
1A X1
1000V
TL431
-
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
2500
5W
2500
5W
221K
BLEEDER
RESISTORS
2500
5W
221K
+15V
2500
5W
15.0K
D2
2500
5W R24
+15V
332K
10
8
X2
2.8K
9
1.50K
1
C6
8
27
REF
35V
6
6.19K
562
16.5K
+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
2 6 4 (VOLTAGE PROTECTION)
(Trigger Loop)
C4
.022
681K
50V
J9
5
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POWER WAVE 455/POWER FEED 10