Electrical diagrams, L8930 control pc board layout – Lincoln Electric IDEALARC CV-300 User Manual
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G-17
ELECTRICAL DIAGRAMS
G-17
IDEALARC CV-300
L8930 CONTROL PC BOARD LAYOUT
ITEM DESCRIPTION
C1,C6,C13,C14,C15,C19
.1/50
C2
1000/35
C3,C4,C12
1.0/35
C5
22pF/100
C7,C8,C9,C11,C16,C20,C21,
.022/50
C22,C23,C25,C26,C27
C10,C17,C18
.02/600
C28,C29
4700pF/50
D1,D2,D3,D4,D5,D6,D7,D8,D9,
1N4004
D10,D11,D12,D13,D14,D15,D17,
D18,D19,D20,D21,D22,D23,D24,
D25,D26,D27,D28,D29,D30,D31,
D32,D33,D34,D35,D36,D37,D38
DZ1
1N5237B
DZ2,DZ6,DZ8
1N4746A
DZ3,DZ7,DZ9
1N4750
DZ24
1N5231B
DZ5
1N5225B
LED1
YELLOW
Q1,Q2,Q4,Q6,Q8,Q9
2N4123
Q3,Q5,Q7
.195A, 60V
R1
8.2K 1/4W
R2
3.9K 1/4W
R3
2K 1/4W
R4,R13,R15,R17,R19,R21,R23,
1K 1/4W
R26,R48,R53,R59
R5
511 1/4W
R6
619 1/4W
R7,R31
3.3K 5W
R8,R50,R51,R60,R61,R63,R80
475 1/4W
R9,R10,R11,R12,R16,R20,R30
2.2K 1/4W
R14,R18,R22,R75,R76,R77,R81 30.1 1/4W
R24
1M 1/4W
R25,R27,R29,R32,R41,R42,R43, 10K 1/4W
R49,R56,R66,R71,R72
R28
12.1K 1/4W
R33,R34,R36,R37,R45,R46,R47, 4.7K 1/4W
R57,R78,R79
R38,R69
56.2K 1/4W
R39
22.1K 1/4W
R40,R70,R73,R74
100K 1/4W
R44
65K 1/4W
R52
39.2K 1/4W
R58
2.7 1W
R65,R82
15K 1/4W
R68
47.5K 1/4W
X1
VOLT REG 3-T(+), 1A, 5V
X2
ROM ASSEMBLY
X3
OP AMP 224N
Y1
CRYSTAL 3.57 MHZ