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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-7
PRECISION TIG® 225
PC BOARD ASSEMBLY - CONTROL #1 (G5641)
EN-170
S
O
L
I
D
E
D
G
E
G564
1-
2
PRE
CISI
O
N TIG 185/2
25
CO
NT
R
OL PC BOA
R
D ASSE
M
BLY
1:1.2
5
G4551-
1
DO NO
T
SC
AL
E
T
HIS DR
A
WING
EQ
UIP
M
ENT
TYPE:
SUBJECT:
SCA
L
E:
UF
CRM36266
1
PAGE ___ OF
___
2
E
NGI
N
EE
RI
NG
CO
NT
RO
LLE
D
MA
NU
FA
CT
URE
R:
Y
es
THIS DOCUMENT CONTAINS PROPRIETAR
Y
INFORMATION OWNED B
Y
LINCOLN GLOBA
L, INC.
AND MA
Y
NOT BE DUPLICATED, COMMUNICATED
TO O
THER PARTIES OR US
ED FOR
AN
Y
PURPOS
E WITHOU
T
THE EXPRES
S WRIT
TEN PERMISSION
OF LINCOLN GLOBAL, INC.
PRO
PRIETARY & C
ONFIDENTIAL:
t
MAT
ERI
A
L TO
L
ER
ANC
E ("
"
) TO A
GR
EE
WITH
PU
B
LI
SH
ED
ST
ANDARD
S.
ON A
LL
AN
GL
E
S I
S ± .5 OF
A D
E
GR
EE
ON
3
PLACE
D
E
CIM
ALS
IS
± .
00
2 i
n.
(
±
0.
0
5
mm)
ON 2
PL
AC
E D
ECIM
AL
S I
S ± .02 in. (
±
0.5 mm)
UNLESS OTHERWISE SPECIFIED TOLERANCE:
M
ANUF
ACTURING TO
L
ER
ANC
E
P
ER
E
2056
N
EW
CHAN
GE
D
ET
AIL:
REFER
ENCE:
MA
T
ERI
AL
DIS
PO
SI
T
ION:
AP
PRO
VA
L
DA
T
E:
PROJ
EC
T
NUMBER:
DOCUMEN
T
NUMBER:
DOCUMEN
T
REV
ISI
ON:
IF PR
IN
T
ED
@ A
1
SIZ
E
UNI
T
S:
IN
CH
2/
15
/
2008
d
di
e
tz
Tran
gNg
uye
n
-
DRAWN BY:
ENGINEER:
CL
EV
EL
AND
APPROVED:
CONTROL:
A
G
5641-2
Insight
CONTROL
P
T185
/225
G5641- 2
D5
R174
R106
R25
L1
R68
D8
R8
R21
R4
TR
I1
C44
R12 0
C40
C112
LED15
R87
R171
R51
R6
R167
R153
R27
L2
C105
R196
C72
R185
C26
R4
7
R1
52
R114
R129
R59
Q18
R9
R1
56
R134
C92
R78
C1
C109
R206
R125
T2
C76
C93
R147
R113
Q4
R
6
4
DZ4
R16
R58
TP3
R72
R96
R
10
C33
R124
C
10
1
MOV 8
D14
C80
C77
R117
C69
D2
8
R215
DZ3
D
Z
6
R131
R1
55
TR
I3
C34
R128
D40
D17
C
49
C8
R95
D18
D
6
R217
R44
C67
R97
R101
R162
R55
R119
C110
R205
R170
R82
R200
C91
LED14
D
4
1
C2
R138
TP2
R4
1
LED13
R71
LED7
C99
C9
4
C111
C57
C25
R81
R161
R52
C65
R13
X7
C14
R75
C61
Q2
R204
R48
R102
C
20
D21
Q9
R80
Q14
D
20
OC
I5
C104
R216
R127
C87
R123
C12
R116
C35
OCI
1
R28
R154
R30
R14 1
R194
TP4
C15
R40
R85
R166
C29
C23
C54
R181
R122
R109
R
1
1
0
R49
C75
C
50
D34
Q
13
MOV4
C103
C62
C73
C41
R86
R207
C43
D15
R90
DZ
10
R201
C6
8
R92
R1
76
C88
R220
R1
79
R88
R12
R139
D7
R24
R
1
05
D24
R182
R31
R212
D13
X9
R1
59
R146
R5
MOV 2
D33
R34
TP5
R56
LED9
Q16
TR
I2
C38
DZ8
C5
1
R
3
5
R195
R20
R183
R7
C24
R115
DZ2
R130
C70
LED12
TR
I4
D11
LED17
D9
R213
X11
R218
R219
R1
69
C97
C30
R1
75
R108
C46
R36
C78
C45
R121
R29
R187
R1
58
R60
R
7
7
C56
LED16
C74
R208
R43
R214
C71
D37
D27
R38
R63
R18
D38
R100
C17
C3
R199
C42
TP6
R98
C60
R53
DZ1
D23
X12
D1
J3
R136
R210
R172
X13
R1
42
MOV 1
DZ9
R1
80
C59
R14 0
R14
Q1
D36
MOV 6
X3
R186
R19
Q3
D25
R135
C96
R15
R50
R133
C
7
C10
R
4
6
R209
X8
R7
4
D16
R1
68
J6
Q8
R107
LED8
R42
C113
C82
R193
C90
R83
X4
C22
OC
I4
C16
LED11
R67
R7
3
C9
5
R22
X
1
C27
OC
I3
J1
R173
R144
C36
C21
D3
2
C6
Q
10
C19
C37
R202
D12
R17
R1
57
X2
C83
D39
J2
C102
R93
C4
8
R1
64
R39
C53
LED10
R190
R33
R99
R198
L5
R11
Q17
C58
C108
C3
1
Q15
R66
R104
R192
X6
Q11
D19
C18
R143
R112
C86
D
4
D30
R203
D3
5
X14
D3
1
C11
C79
C64
C39
R45
R15 1
C32
R94
D3
R111
C4
C66
L3
X
10
R37
C
106
C52
C55
R57
L4
R61
Q6
R1
63
R89
C81
C28
OC
I2
R188
C89
R211
R191
C13
R118
R197
C107
R26
R
7
6
D22
C85
TP7
D26
DZ7
R177
C9
T1
D
10
R79
R184
R1
60
MOV 7
R178
MOV5
TP
1
R150
R54
R132
R103
X5
R149
D29
R65
C63
R32
Q
12
J4
R148
R84
R137
R1
65
MOV 3
C98
DZ
5
C84
R70
R91
R126
C100
R69
J5
Q5
R145
C5
D2
R189
R23
C47
R62
Q
7
COMPONENT SIDE
N.
B.
N.
K.
N.
G.
2 3 4 5
0
.20 8.80
9.00
5.00
0
.20
5.10
5.80
6
.00
G5641-2C0
PART NO. IDENTIFICATION
CODE
MAKE DETAI L
REVISION CONTROL
SEE ELECTRONIC F ILE FOR ADDITI ONAL INFORMATION.
SCHEMATIC REFERENCE: G5640-2C0
TEST PER E4238-C
COAT WITH E1844 AND E3668 (2 COATS)
4LAYER BOARD BLANK PANEL
MANUFACTUR PER E1911-RoHS
BUY BLANK COMPLETE
(2 BOARDS PER PANEL)
N.
K.
N.
K.
N.
K.
1
N. K.
G-7
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