Electrical diagrams, Idealarc® cv-305, Caution – Lincoln Electric IDEALARC CV-305 User Manual
Page 93: N.a. do not coat with encapsulation. n.b
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.
ELECTRICAL DIAGRAMS
G-5
IDEALARC® CV-305
PC BOARD ASSEMBLY - CONTROL PC BOARD - L12256-1
ITEM
QTY
PART NUMBER DESCRIPTION
1
1
L12256-C
PC BOARD BLANK
2
5
S14020-5
PLASTIC EXPANSION NUT, 0.25
3
1
S20590-1
HEAT SINK,SLIP ON,FOR TO-220
4
1
T15176
LED,SPACER,0.220 HIGH
5
0.2 oz
E2861
RTV SEALANT
CAPACITORS = MFD / VOLTS
RESISTORS = OHMS, 1/4 WATT
NOTES:
N.A.
DO NOT COAT WITH ENCAPSULATION.
N.B.
CAUTION:
THIS DEVICE IS SUBJECT TO DAMAGE BY STATIC
ELECTRICITY. SEE E2454 BEFORE HANDLING.
N.C.
“LED1” TO BE MOUNTED ON OPPOSITE COMPONENT SIDE WITH
ITEM 4 AS SHOWN.
N.D.
AFTER COMPLETE ASSEMBLY AND TEST, SEAL “X2” TO BOARD
WITH ITEM 5 . COAT THE PINS AND THE ENDS OF “X2”
WITH SEALANT LEAVING NO VOIDS BETWEEN “X2” AND BOARD.
LED1
C
V
C
O
N
T
R
O
L
L
1
2
2
5
6
-1
R
5
8
D
2
6
R62
C
3
2
R
1
0
C
4
2
C18
D
6
R
7
1
C
5
D
9
D
5
R47
R87
D
1
9
R
2
8
R
4
3
R
4
6
R
6
6
Q
9
C
2
7
R3
R
9
3
C
8
D13
R82
R
5
9
R
1
1
D
2
1
R
3
7
C
9
D
2
9
R
7
5
R
9
0
C
2
1
R
6
9
R100
C
2
3
R31
R
5
0
J2
D
1
8
R
7
9
R
9
6
D
3
8
R
9
J4
R
7
2
R
2
3
R
5
5
D
2
R
5
2
D41
D
2
4
C
3
R
9
5
R63
C
2
0
D
7
X
3
D
3
6
Q
6
R
3
8
C
1
5
R7
R13
C
1
6
R
1
5
R
2
0
D
Z
3
R
5
4
C
1
R
9
1
R
2
1
R
7
0
J6
DZ4
R
2
9
C
2
5
R97
R
4
5
D39
D
Z
1
C28
C
4
D
3
5
D
2
3
R
1
9
R
4
4
C
3
0
C
3
6
C12
C
4
1
Q
4
R2
D
4
0
DZ8
C
2
2
D
1
1
R1
Q
8
D
2
2
C
1
3
R
5
7
C
6
Q
2
R
6
0
R61
C29
D
Z
2
D43
Q
5
R17
R
3
3
C11
R
1
8
Q
3
C
1
9
X2
R
5
1
R
8
D
2
0
C
3
4
R
9
4
R
3
4
R
3
0
R
7
7
R
7
3
Y1
C
7
X1
D
3
1
R36
C44
R
3
5
D
2
7
R
8
0
D42
R
9
8
R
4
2
R
6
8
R6
R
4
9
R
2
7
D
1
7
R24
D
3
0
R
3
9
D
3
D
3
2
D
3
7
D
1
2
C
2
6
D
1
5
R
5
3
D
Z
7
J1
C
3
7
C
3
8
D
4
C2
R99
R
3
2
R86
DZ5
R
7
6
Q1
R
4
8
C31
D
3
3
R
4
1
D
Z
6
R
9
2
C
4
0
R101
J10
C
1
4
D
1
0
C
3
3
R85
D14
C39
D8
D
Z
9
R
2
6
R
1
2
D
1
R65
R
2
2
C
1
0
R
4
0
R
7
8
D
2
5
Q
7
R
1
6
D
2
8
D
3
4
J3
C
3
5
R
1
4
XXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXX
XX
XX
XX
XX
TOP VIEW (COMP. SIDE)
BOTTOM VIEW (OPP. COMP. SIDE)
2
4
0
0
4.25
6.30
5 N.D.
3
1
REFERENCES
QTY
PART NUMBER DESCRIPTION
C1, C6, C13, C14, C15,
C18, C19, C37, C38, C39
10
S16668-11
CAPACITOR,CEMO,0.1, 50V,10%
C2
1
S13490-121
CAPACITOR,ALEL,1000,35V,+30/-20%
C3, C4, C12
3
S13490-42
CAPACITOR,TAEL,1.0,35V,10%
C5, C33
2
S16668-1
CAPACITOR,CEMO,22pF, 100V,5%
C7, C8, C9, C11, C16,
C20, C21, C22, C23, C25,
C26, C27, C30, C31, C34,
C35, C36, C44
18
S16668-5
CAPACITOR,CEMO,.022,50V,20%
C10
1
T11577-38K
CAPACITOR,CD,.02,600V,+80/-20%
C28, C29
2
S16668-10
CAPACITOR,CEMO,4700pF, 50V,2%
C32
1
S16668-2
CAPACITOR,CEMO,47pF, 100V,5%
C40, C41, C42
3
S16668-7
CAPACITOR,CEMO,820pF,50V,5%
D1, D2, D3, D4, D5, D6,
D7, D9, D11, 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
34
T12199-1
DIODE,AXLDS,1A,400V
D8, D10, D12, D39, D40,
D41, D42
7
T12705-34
DIODE,AXLDS,1A,400V,FR,1N4936
D43
1
T12705-64
DIODE,SCHOTTKY,AXLDS,0.2A,30V,BAT42
DZ1
1
T12702-55
ZENER DIODE,1W,8.2V,5%,1N4738A
DZ2, DZ6, DZ8
3
T12702-45
ZENER DIODE,1W,18V,5%,1N4746A
DZ3, DZ7, DZ9
3
T12702-26
ZENER DIODE,1W,27V,10%,1N4750A
DZ4
1
T12702-52
ZENER DIODE,1W,5.1V,5%,1N4733A
DZ5
1
T12702-53
ZENER DIODE,1W,3.3V,5%,1N4728A
N.A. J1
1
S18248-4
CONNECTOR,MOLEX,MINI,PCB,4-PIN
N.A. J2
1
S18248-8
CONNECTOR,MOLEX,MINI,PCB,8-PIN
N.A. J3
1
S18248-10
CONNECTOR,MOLEX,MINI,PCB,10-PIN
N.A. J4
1
S18248-6
CONNECTOR,MOLEX,MINI,PCB,6-PIN
N.A. J6
1
S18248-12
CONNECTOR,MOLEX,MINI,PCB,12-PIN
N.A. J10
1
S24952-2G
CONNECTOR,MOLEX,MINI,PCB,2-PIN,GOLD
N.A., N.C. LED1
1
T13657-4
LED,T-1,3/4,YELLOW,HLMP-3400
Q1, Q2, Q4, Q6, Q8, Q9
6
T12704-68
TRANSISTOR,NPN,TO226,0.5A,40V,2N4401
N.B. Q3, Q5, Q7
3
T12704-52
TRANSISTOR,NMF,TO226,.195A, 60V,BS170(SS)
R1
1
T10812-79
TRIMMER,ST,1/2W,100, 10%,LINEAR
R2, R3
2
S19400-2000
RESISTOR,MF,1/4W,200,1%
R6, R55, R95
3
S19400-1500
RESISTOR,MF,1/4W,150,1%
R7, R31
2
T14648-5
RESISTOR,WW,5W,3.3K,5%,SQ
R8, R30, R35, R58, R60,
R61, R62, R63, R80, R94
10
S19400-4750
RESISTOR,MF,1/4W,475,1%
R9, R10, R11, R98, R99,
R100
6
S19400-2211
RESISTOR,MF,1/4W,2.21K,1%
R12, R16, R20, R33, R34,
R36, R37, R45, R46, R47,
R57, R78, R79, R86
14
S19400-4751
RESISTOR,MF,1/4W,4.75K,1%
R13, R15, R17, R19, R21,
R23, R26, R50, R53, R54,
R59
11
S19400-1001
RESISTOR,MF,1/4W,1.00K,1%
R14, R18, R22, R75, R76,
R77
6
S19400-30R1
RESISTOR,MF,1/4W,30.1,1%
R24, R97
2
S19400-1004
RESISTOR,MF,1/4W,1.00M,1%
R27, R29, R32, R41, R42,
R43, R49, R66, R71, R72
10
S19400-1002
RESISTOR,MF,1/4W,10.0K,1%
R28
1
S19400-1212
RESISTOR,MF,1/4W,12.1K,1%
R38
1
S19400-5622
RESISTOR,MF,1/4W,56.2K,1%
R39
1
S19400-2212
RESISTOR,MF,1/4W,22.1K,1%
R40, R73, R101
3
S19400-1003
RESISTOR,MF,1/4W,100K,1%
R44
1
S19400-1501
RESISTOR,MF,1/4W,1.50K,1%
R48
1
S19400-9090
RESISTOR,MF,1/4W,909,1%
R51
1
S19400-6810
RESISTOR,MF,1/4W,681,1%
R52, R69
2
S19400-5112
RESISTOR,MF,1/4W,51.1K,1%
R65, R82
2
S19400-1502
RESISTOR,MF,1/4W,15.0K,1%
R68
1
S19400-4322
RESISTOR,MF,1/4W,43.2K,1%
R70
1
S19400-9092
RESISTOR,MF,1/4W,90.9K,1%
R85
1
S18380-1
THERMISTOR,PTC,56 OHMS,90MA
R87
1
S19400-4321
RESISTOR,MF,1/4W,4.32K,1%
R90, R91, R92, R93
4
S19400-10R0
RESISTOR,MF,1/4W,10.0,1%
R96
1
S19400-3322
RESISTOR,MF,1/4W,33.2K,1%
X1
1
S15128-15
IC,VOLT REG,ADJ,3-T,(+),3A,350,TO220
N.B., N.D. X2
1
S26106-2
ROM ASSEMBLY
X3
1
S15128-16
IC,OP-AMP,QUAD,HIGH-PERF,1014
Y1
1
S16665-1
CRYSTAL,QUARTZ,3.579545MHZ,HC-18/U
REFER TO ELECTRONIC COMPONENT DATABASE FOR SPECIFICATIONS ON ITEMS LISTED BELOW
G-5