Electrical diagrams, Idealarc dc1000 – Lincoln Electric IDEALARC DC 1000 SVM123-A User Manual
Page 110
G-5
ELECTRICAL DIAGRAMS
IDEALARC DC1000
Firing PC Board (G1486-5 and above) Layout
1/4W 150
1/2W 5.1
1/4W 475
FIRING BOARD
G1486-5
R1
R2
R3
R4
R5
R6
R46
R47
R48
R64
R65
R66
R54
R53
R52
R42
R45
R41
R44
R43
R40
R21
R27
R39
R33
R19
R25
R37
R31
R16
R22
R34
R28
R20
R26
R38
R32
R55
R56
R57
R17
R23
R35
R30
R24
R36
R29
R18
C25
C26
C16
C22
C13
C19
C17
C23
C14
C20
C15
C21
C27
C18
C24
C1
C3
C4
C5
C6
C7
C8
C9
C10
C12
C11
C2
DZ1
DZ3
DZ2
D31
D32
D33
D37
D34
D38
D39
D1
D4
D5
D2
D6
D3
D7
D8
D35
D36
D19
D10
D16
D13
D20
D11
D14
D17
D21
D12
D15
D18
D9
D30
D28
D29
D24
D27
D23
D26
D22
D25
LED2
LED1
LED7 LED8
LED9
LED3
LED5
LED4
LED6
TP1
TP2
TP3
J5
J6
J4
J7
R10
R58
R14
R62
R11
R59
R12
R60
R63
R15
R61
R13
R51
R50
R49
R7
R9
R8
SCR4
SCR1
SCR5
SCR2
SCR3
SCR6
QU1
QU2
QU3
1/4W 1.5 K
1/4W 2.67 K
1/4W 26.7 K
1/4W 332K
G-5
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 provided 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.