Lincoln Electric SVM101-B ユーザーズマニュアル
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.
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.
ELECTRICAL DIAGRAMS
G-25
V300-I
PC BOARD ASSEMBLY - POWER - (L8033-7)
G-25
D
C
A
B
F
E
POWER BOARD
L8033-4
Item
Identification
X1
REGULATOR ASBLY
C2,C7,C11
.022/50
J7
CONNECTOR
X5
VOLT. REG. & HEAT SINK ASBLY.
C3
150/50
D1,D2,D3,D4,D5,D8,D9,
1N4004
D10,D11,D12,D13
C6
1.8/20
C4
4.7/35
C5
39uF/20VDC
C1
3300/50
OCI1
OPTO ISOLATOR
X2,X3
8 PIN I.C. (SS)
C8,C9,C12,C13
.1/50
J6
HEADER
C10
500/50
DZ1
1N4744A
DZ2,DZ3
1N4746A
Q1,Q3
3A/60V. TRANSISTOR
Q2,Q4
3A ,60V. PNP TRANSISTOR
Q5
3.5A. 60V. MOSFET (SS)
D6,D7
1N5822 SCHOTTKY BARRIER DIODE
R1
.0 OHM, 5W RESISTOR
Item
Identification
TP1,TP2
15J
R11,R19,R26,R27
10K 1/4W
R5,R6,R10,R22
100K 1/4W
R4
1.5K 1/4W
R14,R41
15K 1/4W
R9
1150K 1/4W
R21
2.21K 1/4W
R3
243 1/4W
R7,R8,R24
267 1/4W
R2
2.67K 1/4W
R18
26.7K 1/4W
R20
267K 1/4W
R13,R15,R16,R17
33.2K 1/4W
R23
4.75K
R12
475K 1/4W
R25
5.11K 1/4W
X4
LM224 OP-AMP
J14
HEADER
Q40
2N4401
R42,R43
100 1/4W
DZ4,DZ5
1N4742A
R28,R29
10 1/4W
D14
1N4936
Item
Identification
R44
THERMISTOR
NOTE: Individual parts listed are not available from Lincoln Electric.