Electrical diagrams – Lincoln Electric IDEALARC DC-655 User Manual
Page 108
ELECTRICAL DIAGRAMS
G-8
G-8
DC 655
Thermal Fan/Snubber Board Layout (L10124-1)
CAPACITORS = MFD/VOLTS
~.04
IDENTIFICATION
PART NO.
REQ'D
ITEM
RESISTORS = OHMS
0
5.75
6.00
.25
.25
4.50
8.75
9.00
0
J8
J9
J10
J11
LED1
R1
R2
R3
R4
R5
R6
R7
R8
R9
C1
C2
C3
C4
C5
C6
C8
C9
C11
C12
C13
C14
C15
C16
C17
C25
D1
D2
D3
D4
D5
D6
D7
D8
R10
R11
R12
R13
R14
R15
R16
R18
R19
R21
R24
R25
R26
R28
R29
R30
R31
R33
R34
R35
R37
TRI1
X2
L10124-1
C22
Q1
C18
C23
C26
D18
DZ1
R38
D12
D13
R50
C27
C28
C29
C30
R54
R55
R39
R43
X4
D9
X1
C32
R46
X3
D15
D17
R47
D10
D11
D14
R49
R40
R41
R42
C35
R48
C33
C36
D16
R53
R52
D19
LED2
R56
D20
LED3
R57
D21
LED4
R58
D22
LED5
R59
D23
LED6
R60
R44
R45
C31
C34
J20
R51
OCI1
OCI2
R17
THERMAL FAN SNUBBER
C1,C2,C3,C4,C5,C6,C8,C9
)
8 T11577-68 0.68 MFD /400 WVDC CAPACIT
OR
C11,C12,C13,C14,C15,C16 6 S13490-96
.15/200
C17,C33
)
2 S13490-25 4.7/35
C18,C22,C25,C27,C28,C29 10 S16668-5
.022/50
C30,C32,C34,C35
C23,C26 2
T11577-57 0.1/400
C31 1
S16668-11 .1/50
C36 1
S13490-104 39uF/20V
D1,D2,D3,D4,D5,D6,D7,D8,D9 23 T12199-1
1N4004
D10,D11,D12,D13,D14,D15
D16,D17,D18,D19,D20,D21
D22,D23
DZ1 1
T12702-53 1N4728A
J8 1
S18248-6 HEADER
J9 1
S18248-14 HEADER
J10 1
S18248-8 CONNECTOR
J11 1
S18248-4 HEADER
J20 1
S18248-2 HEADER
LED1,LED2,LED3,LED4,LED5 6 T13657-2
RED LED
LED6
OCI1 1
S15000-10 OPTO ISOLATOR
OCI2 1
S15000-12 OPTOCOUPLER TRIAC DRIVER
Q1 1
T12704-68 2N4401
R1,R2,R3,R4,R5,R6 6 T14
648-22 50 5W
R7 1
T14648-2 25 5W
R8 1
T14648-9 5W / 2500 OHM RESISTOR
R9,R10,R16,R19,R21,R43,R46 9 S19400-100
2 10K 1/4W
R48,R52
R11,R37 2
S19400-4752 47.5K 1/4W
R12,R14,R33,R44,R49,R53 6 S19400-
1003 100K 1/4W
R13 1
S19400-1821 1.82K 1/4W
R15,R40,R41 3
S19400-1502 15K 1/4W
R17,R18 2
S19400-2802 28.0K 1/4W
R24,R25,R26,R50 4 S1
9400-1501 1.5K 1/4W
R28 1
S19400-1500 150 1/4W
R29 1
S19400-3570 357 1/4W
R30 1
S19400-4750 475 1/4W
R31,R54,R55 3
S19400-39R2 39.2 1/4W
R34,R51 2
S19400-1001 1K 1/4W
R35 1
S19400-2673 267K 1/4W
R38 1
S19400-8251 8.25K 1/4W
R39 1
S19400-1000 100 1/4W
R42 1
S19400-3923 392K 1/4W
R45 1
S19400-1623 162K/.25W
R47 1
S19400-5111 5.11K 1/4W
R56,R57,R58,R59,R60 5 S194
00-2001 2.0K 1/4W
TRI1 1
S18395-27 TRIAC/HEAT SINK ASSEMBLY
X1 1
S15018-13 16 PIN I.C. (SS)
X2,X3 2
S15128-4 LM224 OP-AMP
X4 1
S15018-15 14 PIN I.C. (SS)
5-16-97A
L10124-1
NO
TE:
Lincoln Electr
ic assumes no responsibility f
or liab
lilities resulting from board le
v
el troub
leshooting.
PC Board repairs will in
v
alidate y
our f
actor
y w
arr
anty
.
Individual Printed Cir
cuit Boar
d
Components are not a
v
ailab
le fr
om Lincoln Electric.
This inf
or
mation is pro
vided f
or ref
erence only
.
Lincoln Electr
ic discour
ages board le
v
el troub
leshooting and repair since it ma
y
compromise the quality of the design and ma
y result in danger to the Machine Oper
ator or
T
echnician.
Improper PC board repairs could result in damage to the machine
.
L10124-1
5-16-97A