Lincoln Electric IM702 PRECISION TIG 275 - Manuel (Page 38)

F-1 SCHÉMAS F-1
PRECISION TIG 275
R
E C EPTACLE
C A
B
B
CON
T
R
O
L PC BOARD
1
0 K A-B
F E D C
AT M
INI
MUM
D F
REMOTE
TM
AMPTROL OPTI
ONAL
A
E
REMOTE
A B C D E F
+
-
G
R
G
Y
5 4 3 2 1
(ST
IC
K )
(AU
TO BAL
)
(REM
O T E )
(P.
F
L O W )
(TH
E RM
A L )
8
4 1 2 3 6 5
6
B
W
+
-
B
W
+
-
B
W
+
-
B
W
+
-
G
331
6 5 4 3 2 1 2 3 4 5 7 1
5 4 3 2 1 6
6
30
1
303
304
B
30
6
30
2
METER
(V
IEWED FROM REAR)
8 7 6 5 4 3 2 1
J23
J22
30
1
30
2
30
3
30
4
30
4 A
30
6
304 B
32
1
32
2
31
3
31
4
31
5
31
6
317 31
8
31
9
32
0
311 312
J8 J9
5 9 8 3 7 2 1 6 4
33
1
10
41
1
W 40
3
40
4
40
5
40
6
40
7
40
8
40
9
41
0
40
1
40
2
TIG OPTION PCB
(OPTIONAL)
8 7 6 5 4 3 2 1
22
0
G1 21
7
2 1
W 22
1
R 22
2
11 3 10 2
269 270 271 22
0 B
6 5 4 3 2 1
23
3 A
235
16 8 15 7 14 4 13 5 12 6 9 1
J11
L8
J10
J1
J5
J12
J4 J6
N.A.
8 6 2 3 4 5 7 1
J5A
N.B.
26
0
23
6
5 2 1 3
J7
PROTECTION PCB
R1
2
R1
1
R1
0
G
R9 FREQ
ON T
IM
E
DOWN SLOPE
BAC
KGROU
N
D
401D
402
403
405
406
408
409
410
401B
(PU
L SE O
N )
+
-
ADV
A NC
ED CONTROL PANEL (OPTIONAL)
401C
401D
W
B
V IEW
O
F
C
O
N N
E C
T O
R
O
N P
C
BO
AR
D
ELECTR
ICAL SYMBOLS PER E15
3 7 .
OHMS/WAT
T S
COMPONE
N T VALUE
UNI
TS:
RESIS
T ORS:
MFD/VOLT
S
CAP
A CIT
O
RS: 8
LA
T C H 0F
CONN
E C
T O
R J
5
EXAMP
L E : T
H
IS
I S P
IN
7
3
2
LEAD COLORING CODE: B-BLACK
2
1
8
G-GREEN O-ORANGE R-RE
D
C O
NNE
CT
O
R P
IN N
U
M
B E
R S
:
7 14
U-BLUE Y-YELL
O
W
W-WHI
T E
1
3 J5
46
0 VOL
T CONNE
CT
ION
CONN
ECT S
T RAP T
O
H IG
H
( H 4 ) (AS SHOWN)
23
2
H 4 ( 4 60V)
F
W20
9
18VAC X7
R210 20
1
X8
F S X5 X2 X1
T1
78VAC
S
20
4
115
V AC
X9 X1
0
20VAC
X3
H 3 ( 2 30V)
H2 (2
0 8 V
)
X6
262
26
3
6 3 .5VAC
26
7
26
8
CR4
23
1 A
23
1
1 1 5VAC X4
CB1 15A 23
2
23
1
F S F S
F S
CR4
23
3 B
234
48 2
6
23
3
0
1
233 A
C8
C9
21
4
213
R8
26
7
233
A
23
1 A
26
8
26
9
22
0 B
27
1
27
0
22
0 A
26
2
26
3
201 20
4
W20
9
R210
1 1 5VAC
ARC STARTER AS
'BLY
R5
SV1
GAS V
A L VE
L3
C6
T2
C7
T3
GAP
SPA
RK
L2
237
S F
R6
BY
PA
SS
/
STA
BILIZER
PC B
OAR
D
FAN
26
0
23
5
23
3 A
239 23 8
28
4
28
5
23
6 B
236
23
1D
23
1 E
231 A
231 E
233A
POS
D
FRONT GANG
NEG POLARIT
Y SW
ITCH M
ICRO SW
ITCH
POLARIT
Y
S2
NO
(R
E
A R VIEW, SHOWN
X2
NC
M
ICRO-SW
ITCH
CLOSED CLOSED OPEN
T O
GROUND P
E R
C
A-C, D-E, B-F B-D, C-E, A-F, G-H
G
DC+
REA
R GANG
DC-
266A
S2A
265 A
H
A
L1
AC
SWI
T C H
E
F
ELECTR
ICA
L CODE
NAT
IONAL
253
POS
B-D, A-E, C-F, G-H IN
AC POSIT
ION
)
D2
B
252
R7
286
W 22 1
R 222
27
1 A
BAC
KGROU
N
D
RECT
IF
IE
R
265
266
G4 G3 G2
21
3
21
4
20
1
204 W20
9
R210 26
2
26
3
265 26
6
25
2
25
3
G1 G2 217 21
6 220 G3
220 A
G4 21
8
SCR4
D1
X1
NEG
SCR3
POS
(+
)
SCR1 SCR2
252
(-)
B
G4
03
1
XC
-R
W
N.
A.
CO
NNE
CT
IO
N I
S P
IN
T
O P
IN B
ET
W
EE
N
J2
3 A
ND
J5
.
N.
B.
R
OBO
TI
C I
NT
ER
FAC
E
CO
NN
EC
TI
ON
.
N.
C.
R
EMOVE J
UMPER
PL
UG
IN
J3
W
HE
N I
NST
AL
LI
NG
TI
G OPTI
ON
PC
BOAR
D.
N.
D.
D
ISC
ON
NE
CT
JU
MPER
L
EAD
BET
W
EEN
PI
N
1 AN
D
P
IN
2
IN
J3
T
O D
OU
BL
E PR
EF
LO
W
&
POST
FL
OW
T
IMES.
N.
E.
D
ISP
LAY
TO
GGL
E SH
OW
N I
N MI
N AMP
POSI
TI
ON
.
PR
EC
IS
IO
N TIG 275 W
IR
IN
G D
IA
GR
AM
L9 L1
0
L7 L6
L5
L1
2
L4
L1
3
L1
1
J3
N.D.
N.C.
L1
(U)
L 2 (V)
C1
RECO
NNECT PANEL
H4
H2
H1
H3
25
0
S1
POWER SW
IT
C
H
H1
C5 C4
C A PAC
ITOR
S
(O
P T IO NA
L )
POW
E R F A C T OR
C2
A
GR
OU
ND
HIGH
MI
D
LOW
COM
25
1
2
1
3456
89
10
7
2
13
4
5
68
9
10
7
J2 J3
2
1
3456
89
10
7
OR
N.C.
23
0 VOL
T CONNE
CT
ION
CONN
ECT S
T RAP T
O
MI
D
( H 3 )
20
8 VOL
T CONNE
CT
ION
CONN
ECT S
T RAP T
O
LOW (H2)
407
L1
(U)
L 2 (V)
C1,C2
POWER FACTOR CAPACITORS, 50/460 (OPTIONAL)
C 4 ,C
5
BY-PASS CAPACITORS, .0047
C 6
HIGH VOLTAGE CAPACITOR, .0015/12kV
C 7
PHASE SHIFT CAPACITOR, 15uF/250VAC
C8,C9
H IGH FREQ PROTECTION CAPACITORS, .22/400
C B 1
C IRCUIT BREAKER, 15 AMP
C R 4
12V DC RELAY COIL
D 1
FREE WHEELING DIODE
D 2
BACKGROUND DIODE
L 1
OUTPUT INDUCTOR (CHOKE)
L 2 ,L
3
H IGH FREQ INDUCTORS
L4
-L13
R F T
O R O ID
C
H O K E S
R 1
OUTPUT CONTROL POTENTIOMETER, 10K
R 2
BALANCE CONTROL POTENTIOMETER, 10K
R 3
POST FLOW POTENTIOMETER, 10K
R 4
MIN OUTPUT POTENTIOMETER, 10K
R 5
PHASE SHIFT RESISTOR, 200/100
R 6
HOLDING RESISTOR, 50/225
R 7
RESISTOR, 20/100
R 8
RESISTOR, 5/50
R 9
FREQ CONTROL POTENTIOMETER, 10K
R 1 0
O N TIME CONTROL POTENTIOMETER, 10K
R 1 1
BACKGROUND POTENTIOMETER, 10K
R 1 2
D OWN SLOPE POTENTIOMETER, 10K
S 1
INPUT POWER SWITCH
S 2
POLARITY SWITCH
S 2 A
M
ICROSWITCH ON POLARITY SWITCH
SCR1,2,3,4
M AIN POWER SCR'S
S V 1
G
AS SOLENOID VALVE, 115VAC
T 1
MAIN TRANSFORMER
T 2
HIGH VOLTAGE TRANSFORMER
T 3
HIGH FREQ TRANSFORMER
F R
ONT
EL
E
C
T R
O
D
E
REA
R
EL
E
C
TR
O
D
E
WO
R
K
T R ANSFORMER PRIMARY
THERMOST
A T
T R ANSFORMER SECONDARY TH
ERMOST
AT
PULSE
2-S
T E
P
401
404
ON OFF
411
401 A
4-S
T E
P
T R IGGER
401 B
R4
R1
R2
BALAN
CE
MI
N IMUM
OUTPUT
M
A XIMUM
OUTPUT
MODE
REMOTE
R3
POST FLOW
319
322
316C
313C
316B
315
316
317
311
312
313
318
31
3 A
31
3 B
TI
G
STI
C K
321 DISPLAY
314
320
LOCAL
311 A
316 A
316C
311 A
316 A 316 B
F
C
S
E
N.E.
CON
T
R
O
L PANEL (VIEWED FROM REAR)
332
333
B
W
334
335
B W
33
2
B W
33
3
B W
33
4
B W
33
5
B W
12 11 10 9 8 6 5 4 3 1 2 7
12 11 10 9 8 6 5 4 3 1 2 7
6 4
10 9
216 21
8
NOTE : Ce schéma est seulement à titr
e de référ
ence. Il se peut qu’il ne corr
esponde pas exactement à celui de toutes les machi
nes concer
nées par ce manuel. Le
schéma spécifique de chacun des modèles est collé à l’intérieur de la machine, sur l’un des panneaux de fermetur
e. Si le schéma
est illisible, veuillez écrir
e au
Service d’entr
etien pour demander de le r
emplacer
. N’oubliez pas le numér
o de code de la machine.
SCH
É
MA
É
LECTRIQUE DE LA
PRECISION TIG 275 POUR LES MACHINES DONT LE NUM
É
RO DE CODE EST 10806