Lincoln Electric IDEALARC SP-250 - Manuel (Page 113)

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G-13
ELECTRICAL DIAGRAMS
G-13
G2252 CONTROL PC BOARD SCHEMATIC
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 provided 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.
C40
50V 20 C51
D61
J4 8
33.2 R101
J4 5
300V 500mA Q21
26.7K R105
5.62K
R104
J4 7
C52
X11
1
6 7
4.75K
R90
J4 4
J4 6
475
R89
D50
D60
5.62K R106
X2
5
6
X
Y
+5 V
+15 V
22.1K
R102
1W 18V DZ3
4.75K
R91
J4 1
+15 V
-5 V
541A
+15 V
+5 V
206A
515
C
A
542
541A
495
543
BA
33.2 R100
X11
14
9 8
D51
X10
14 7
100V .047 C50
100 R103
206 208 209
T1 SECONDARY
J3
2
202
204
BOARD
204
+15 V
204
J3
1
203
G2
+15 V
TO CIRCUIT
TO GROUND
40V
600mA Q5
1N4007 D14
P2
J2
3
P2
J2
5
P2
J2
7
40V
600mA Q4
40V
600mA
Q2
2.21K
R18 1.00K
R6
D1
40V
600mA
Q3
P2
J2
6
P2
J2
8
P2
J2
2
C3
2.21K
R15
D7
1N4007 D13
+15 V
P2
J2
4
P2
J2
9
1N4007 D11
4.75K R190
2.21K
R11
5.62K
R10
C5
C4
15.0K
R23
C2
1N4007 D9
D5
D6
D2
207
G1 G2
204A 202
T1 AUX.
203
204
X2
1
2
X2
98
X2
3
4
562
R168
J3
5
X19
1
6 7
J3
6
X3
5 4
6
R/W
X20
1
2
X3
10 9
8
X3
13 12
11
VDD
X3
2 1
3
D23
C
4.7 35V C21
600mA 40V Q13
1.00K R64
40V 600mA Q10
100 R65
1.00K R60
D34
P8
J8
3
P8
J8
4
40V 600mA Q12
A
DB
C
1.00K
R62
1W 15V DZ1
X20
3
4
E -LEDB
+15 V
+LEDB VSS
203
+5 V
RS
1.00K
R63
475K
R191
+ t 60V .25
R61
D33
D24
3.92K R66
5.62K
R68
1W 16V DZ2
5W 20
R58
15A 60V Q11
204
-5 V
+5 V
202
204
CNY17-3 OCI1
4
2 1
6
5
.33mH
L13 50V 0.1 C35
332 R82
.33mH
L14
50V .27 C61
D71
THERM. LD. CONN.
320
325A
D
B
+15 V
+5 V +15 V
+15 V
X1
1
3 2
D73
4.75K
R81
.33mH L10 50V 2700p C36
6.81K R122
50V 0.1 C32 22p 100V C30
6.81K R77
J6
15
22p 100V C31
.33mH L5 .33mH L4 .33mH L6 5W 1K
R74
15.0K R187
.33mH L11 D40 D41
.33mH L12
2W 10
R152
D86
TL431 X18 8
1
6
TL431
X14
8
1 6
3.01K
R150
5W 3.3K
R143
6.81K
R149
D75
400V .68 C75
15J 50V TP7
3.92K
R146
D85
7W .25 R141
100 R148
500mA 300V Q31
5W 10V DZ7
100 R129
J9
4
2200 63V C78
J9
1
50 25V C81
5W 1K
R153
1400V .0047 C72
J6
6
1400V .0047
C80
20J 75V TP2
80J 150V
TP4
J6
7
206A
CT. MAIN T1 206 209 T1
15J 50V TP6
38J 130V TP5
15.0K
R147
J6
4
100 R108
39 10V C56 267
R118
47.5K R116
X12
13
2
1
6.81K R113
18 15V C55
G
D S
18A 200V Q24
J5
8
7W .25
R119
750
R117
X12
5
4
3
1W 18V DZ4
J5
12
D62
J5
11
G
D S
18A 200V Q20
2
3 1
J5
10
J5
13
J5
9
+15 V
+15 V
204
541A
AB
D
POWER SUPPLIES
209
+15 V
+5 V +5 V
+5 V
+5 V
208
+5 V
RESET
SUPPLY
A/D
ZERO-CROSSING DETECTOR
CURRENT SENSING
VOLTAGE SENSING
CIRCUITRY
CIRCUITRY
A
P7 P7
R B
T1 208
CRYSTAL X2
11
10
10K
R80
D72
130
4.0MHz
Y1
VSS VDD
RES
S-8054HN X9
CW 1K
R79
10K
R78
1400V .0047 C71
7W .25 R140
20J 75V TP1
48
23
A/D /RES /IRQ EXTAL A/D IC2 IC3 OC3 VRH OC5 A/D IC1 A/D /XIRQ XTAL MODA MODB I/O MISO SCK MOSI Vss VRL OC4
A4/D4 A5/D5
A14
A6/D6
A11 A8 AS
A2/D2 A0/D0
R/W A12
A1/D1
I/O
E
A10 A9
A7/D7
I/O A15
68HC11A1
I/O
A3/D3
OC2 A13 Vdd
X6
27
44 20
9
22 17 46 39 8 25
15 13
19 7 41 3 30 45 29 5
37
4
35 36
40
2 42 38 14
24 47 21
33 28 11 12
18 6
26 43 16 1 31 10 32 34
1.00K
R72
1/2W 10M
R70
4.75K R71
10K
R24
10K
R25
C33
C60
D74
51.1K R126
.33mH L8
J6
16
D70
4.7 35V C34
511 R127
+
REF
-
TL431 X17 6 1
8
511 R125
100 R121
40V 600mA Q14
X12
12
11
10
D52
22.1K
R111
6.81K
R109
3.32K R112
10K
R96
750
R107
+15 V
C53
4.75K
R136
16.5K R95
1.50K
R110
600mA 40V Q25
+
PIEZO BUZZER CIRCUITRY
D
C
C
B
LINE SENSING
+5 V
X12
6
9
8
400V .001 C54
X19
8
14
9
D53
+5 V
+15 V
PIEZO BUZZER
_
X11
2
4 5
3.32K R92
J7
1
J7
2
1.50K
R97
2.67K
R114
15.0K
R115
D54
100 R94
C41
X19
4
2
5
100V .22 C42
X11
13
10 11
40V 600mA Q22
40V
600mA Q23
10K
R93
1.00K
R7
74HC245
B4
OUT EN
DIR
B8
A7
B6 B5
A4 A3 A2 A1 A6
B7
A5
B2 B1 B3
A8
X21
19
1
9 2 7 6 4 3 8 5
18 17 16 15 14 13 12 11
1N4007 D10
P2
J2
1
X2
13
12
10K R2
10K R4 10K R5
1N4007 D12
10K
R13
X13
13
10 11
D8
D4
100 R14 100 R17
D3
+5 V
+5 V
+5 V
KEYPAD
A C B
40V
600mA Q1
10K R1
100 R20
1.00K
R8
CLK1
H
H SA CLK2 SS/PL
H
Q
F
Q
E D C B A G
74HC165
X8
9
14 12 11
1 7 2
15 10 6
13 3 4 5
H
Q
A C
Q Q
CLK
Q Q Q
B
Q A1 A2
E F G
Q
R
D
74HC164
X7
6 4
2
12
13 1
10 11
8
5 3
9
10K
R19
10K
R16
10K R3
C117
1.00K
R9
X13
14
8 9
X13
1
6 7
J3
3
D77
28.0K
R135
10K
R124
C63
C62
V
V INPUT
CC
EE
NC OUT
INPUT
NULL
4
NULL
7
OP27 X22
2
8
3
6 5
1
206B
28.0K
R123
J5
2
+5 V
51.1K
R131
6.81K R133
10K R134
J6
13
X1
7
5 6
J5
3
J6
11
203
28.0K
R130
50V .27 C64 D76
+5 V
+15 V
D79
D78
GENERAL INFORMATION
RED LEAD BLACK LEAD
B LABELS R NOTES :
THE INTERCHANGEABILITY OF A COMPLETE BOARD.
THERMOSTAT SENSING
205
SHUNT
+
-
CIRCUITRY
206S
C
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED
THIS DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING
TACH
207
28.0K
R120
TACH CIRCUITRY
J6
14
515B
J6
5
J5
1
555
X20
13
12
P1
J1
5
P1
J1
16
P1
J1
6
D21
100 R45 CW 10K
R48
1.0A 30V D20
100V 100p C19
3.32K
R51
22.1K R47
X20
11
10
100V 100p C14
100V 100p C13
100V 100p C12
22.1K R46
100V 100p C11
.39mH L2
100V 100p C17
A
CD
E
F
3.32K
R53
X20
98
X20
5
6
100V 100p C10
P1
J1
4
P1
J1
3
P1
J1
2
P1
J1
1
P1
J1
7
P1
J1
8
50V 0.1 C20
3.32K
R50
X1
12
14
13
5W 20 R57
100V 100p C18
100 R54 100 R55 100 R56
.39mH L3
D22
332 R49
3.32K
R52
100V 100p C15
100V 100p C16
50V 0.1 C110
1W 18V DZ5
13
12
98 5
6
C107
50V 0.1 C116
27C64 X4
28 14
50V 0.1 C112
3
4
LM224 X1
4 11
C105
1W 6.2V DZ6
A
GND
IN
OUT
X15
OUT
IN
GND
X16
39 20V C74
C106
18 15V C79
X
Y
-5 V
+5 V
common -5 V
+15 V
OF X10 F C B
1
2
D E
ACTUAL CIRCUIT
D87
3300 50V C73
50V 0.1 C111
4066B X12
14 7
NAND X3
14 7
74HC165
X8
16 8
C104
OP27 X22
7 4
C103
11
10
D7
100 R30
100 R31
100 R32
100 R42
3.32K
R39
100 R41
100 R43
P1
J1
11
P1
J1
13
3.32K
R40
P1
J1
9
P1
J1
12
P1
J1
10
100 R44
P1
J1
15
3.32K
R34
3.32K
R36
3.32K
R35
3.32K
R38
3.32K
R37
+5 V
D1 D3 D4 D0 D2 D5 D6
3.32K
R33
P1
J1
14
.33mH L1
207
541
PM
539
Vo
DISPLAY
LCD
CIRCUITRY
DRIVER
SOLENOID
SOL.
J5
6
J6
3
7
J3
1 4
1
326 DECR 324
208
P4 J4 3
J5
7
.33mH
L7
14
28
D5
A7
D1 D2
A1
GND
Vpp A13 A14
A8
A5 OE CE A4 A3
D4
A2 A6
A12 A10 D7 A9 A11 D6
A0
D0 D3
Vcc
27C256 X4
17 16
1
13
22 7
12
20 27 10
18
9
11 23 21
26 3
25 2 24
5
15
6
19
8 4
J5
4
J4
5
1
2
1
J9
3
4
1
4
58
10
CAPS. = ufd (.022/50V UNLESS OTHERWISE SPECIFIED)
9
DIODES = 1A, 400V (UNLESS OTHERWISE SPECIFIED)
J7
16
J1
1
16
H11C4 OCI2
2
1 5
6 4
+5 V
+5 V
68HC11A1
X6
48 23
50V 0.1 C114
74HC164
X7
14 7
50V 0.1 C115
HEXINV
X2
14 7
50V 0.1 C108
HEXINV X20
14 7
10K R176
74HC245
X21 20 10
74HC373
X5
20 10
2.21K R177
J3
7
562
R173
C101
33.2
R169
562
R174
LM2901 X13
3 12
C102
LM2901 X19
3 12
C100
50V 0.1 C109
40V 600mA Q41
H11C4 OCI3
2
1 5
6 4
+
+
G1
+
+
-
204S
+
OUTPUT WELDING
207
CIRCUITRY GATE DRIVE
X1
8
9 10
1400V .0047 C90
10K R163
40V 600mA Q40
5W 50
R162
D90
D93
5W 50
R175
1.0 35V C92
26.7
R170
D92
33.2
R164
1.0 35V C91
26.7
R165
2.21K R166
D91
562
R167
1400V .0047 C93
50V 0.1 C113
681
R171
681
R161 681
R172
681
R160
LM2901 X11
3 12
MOTOR
ELECTRICAL SYMBOLS PER E-1537 RESISTORS = Ohms (1/4W UNLESS OTHERWISE SPECIFIED)
SCHEMATIC
J8
2251
SP 250 CONTROL
14
8
9
TOP
8
6
7
12
1
T1
POWER SUPPLY SOURCE POINT
A COMMON CODE NUMBER.
FRAME CONNECTION COMMON CONNECTION
VOLTAGE NET
SUPPLY EARTH GROUND CONNECTION
D- C- R- LAST NO. USED
CT. AUX. 204A T1 202 T1
CONTROL
X13
2
4 5
X19
10
13
11
20
10
/OE
2D
5Q 6Q
0D
7Q 4Q 3Q 2Q 1Q 0Q Vcc
GND /LE 6D 4D 5D 1D 3D 7D
74HC373
X5
17 4
12 9 6 5
11
16 1 2
7 18 13
19
3 8
15
14
400V .68 C70 2W 10
R144
J9
2
D
CIRCUITRY
J2
1
325A
TO OPTIONAL
324A
J9
5
D83
C57
D82
150V 8A Q30
16A 400V DD1
D80
541A
5W 50 R145
P4 J4 2
1.50K
R189
1.50K
R188
J5
6
J5
14
INCR 325 COM TRIG 327
10-9-92C
191 117 93
G SPOOL GUN
TO OPTIONAL SPOOL GUN
IDEALARC SP-250 IDEALARC SP-250