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G-16
ELECTRICAL DIAGRAMS
POWER WAVE 455/POWER FEED 10
G-16
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POWER WAVE 455 SWITCH PC BOARD SCHEMATIC - CODE 10372 & 10555
TRANSFORMER
PRIMARY
A
10.0
R26
1W
15V
DZ1
1W
6.2V
DZ3
2000V
.01
C1
10.0
R18
10.0
R19
10.0
R16
10.0
R20
1A
1000V
D1
1W
15V
DZ2
G1
C2
E4
C1
C3
G2
C4
E2
E5
C5
G3
E1
G5
G4
E3
A1
7
13
10
14
9
12
17
11
6
15
8
5
3
4
16
50V
.0047
C3
C2
A1
C1
A2
A1
19
18
1
2
10.0
R17
1.00K
R15
1.00K
R14
1.00K
R13
1.00K
R12
0.01
W2
11/12 OR 15/16
1000V
.0047
C10
OVERVOLTAGE
221
R21
J9
5
J9
4
CNY17-3V
OCI2
42
1
6
5
681K
R22
3.32K
R29
50V
.022
C2
10K
R28
50V
.022
C4
221
R3
1.21K
R5
X2
7
6
5
10K
R27
267K
R4
CNY17-3V
OCI1
4 2
1
6
5
J9
1
PROTECTION
1W
5.1V
DZ7
+15V+15V
RECONNECT
1.82K
R23
1000V
.22
C13
1000V
.22
C12
1000V
.22
C15
1000V
.22
C14
5W
2500
R31
332K
R24
+15V
+15V
X2
8
9
10
5W
2500
R30
6.19K
R9
18.2K
R8
D2
15.0K
R6
C11
562
R11
150K
R7
+
REF
-
TL431
X1
1
6
8
2.8K
R25
CAPACITOR
FILTER
20
27
35V
C6
1.00K
R37
1A
1000V
D3
1.00K
R36
1000V
.0047
C9
C2
A1
C1
A2
A2
19
18
1
2
2000V
.01
C8
50V
.0047
C7
DRIVE
GATE
GATE
T1
5
6
3
1
2
4
1.00K
R38
1.00K
R35
0.01
W1
10.0
R42
10.0
R40
10.0
R41
10.0
R39
G1
C2
E4
C1
C3
G2
C4
E2
E5
C5
G3
E1
G5
G4
E3
A2
7
13
10
14
9
12
17
11
6
15
8
5
3
4
16
5W
2500
R33
10.0
R43
1W
15V
DZ6
1W
6.2V
DZ4
1W
15V
DZ5
J9
6
J9
3
5W
2500
R32
PRIMARY
13/14 OR 17/18
TRANSFORMER
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
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
DATE
DR.
LC
2-10-97
RECONNECT
RESISTORS
BLEEDER
19
TYPE
SUBJECT
(
1A, 400V
SCALE
MFD
.022/50V
ELECTRICAL SYMBOLS PER E1537
1/4W
GENERAL INFORMATION
THE LINCOLN ELECTRIC CO.
(UNLESS OTHERWISE SPECIFIED)
NONE
CLEVELAND, OHIO U.S.A.
DIODES =
TO CONTROL BD.
(VOLTAGE PROTECTION)
(Pre-charge Shut-off)
C
UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
EQUIP.
B
PWM
L
9904
FILENAME: L9904-4EA
LABELS
CAPACITORS =
RESISTORS = Ohms (
ON 2 PLACE DECIMALS IS + .O2
MATERIAL TOLERANCE ("t") TO AGREE
ON ALL ANGLES IS + .5 OF A DEGREE
UNLESS OTHERWISE SPECIFIED TOLERANCE
TO CONTROL BD.
(VOLTAGE PROTECTION)
(Trigger Loop)
WITH PUBLISHED STANDARDS
NUMBER.
Ch'ge.Sht.No.
ON 3 PLACE DECIMALS IS + .OO2
NOTES :
ON HOLES SIZES PER E-2056
NOTE: 203,206 BOLT ON WITH FILTER CAPS
NO.
CHK.
V450
SUP'S'D'G.
R-
LAST NO. USED
D-
OCI-
A-
2
T-
X-
SUPPLY
3
9904
2
VOLTAGE NET
COMMON CONNECTION
SWITCH SCHEMATIC
43
C-
7
SHT.
1
2
DZ-
FRAME CONNECTION
L
EARTH GROUND CONNECTION
POWER SUPPLY SOURCE POINT
15
J9
2
10.0
R34
150K
R10
C5
+15V
X2
1
2
3
LM224
X2
4
11
X2
14
13
12
xc
11-14-97A
3-27-98G
3-19-99C
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.