Filter
Top Products
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC
G-8
ELECTRICAL DIAGRAMS
SP-100
MACHINE SCHEMATIC: Codes 9794 and Above
GND
IN
OUT
X4
4.7
35V
C6
MC7815CTDS
REGULATOR
D8
30A
125VAC
CIRCUIT
BREAKER
+15V
D7
+15V SUPPLY
+15V
150
50V
C5
39.2K
R35
VOLTAGE
X1
1
3
2
1.3K
R16
OCI1
1
2
1.0
35V
C10
X1
14
13
12
56.2K
R29
2.21K
R28
56.2K
R30
1N914
D10
1.00K
R26
4.75K
R11
82.5K
R13
56.2K
R25
1.00K
R27
R1
1W
10V
DZ1
5K
ARC
562
R23
205
J1
4
22.1K
R12
206
J1
5
562
R24
D5
68.1K
R14
2W
ARC VOLTAGE
FEEDBACK
C9
VOLTS
.15A
75V
SAWTOOTH
CONTROL
SOLENOID
GAS
47.5K
R10
+15V
204
+15V
1.3K
R15
D6
207
J1
1
LM224
X2
4
11
L
8552
X2
6
7
5
BURNBACK
WELD
ARC VOLTAGE
ERROR AMPLIFIER
SCR
PWM
OCI2
1
2
+15V
C24
100V
.1
C7
X1
8
10
9
1.3K
R18
C11
1W
5.1V
DZ2
56.2K
R17
D11
D9
X1
7
6
5
2.21K
R31
FIRING
LM224
X1
4
11
267K
R22
68.1K
R20
+15V
C12
C13
LM224
X3
4
11
33.2K
R21
6.81K
R19
1.0
35V
C8
+15V
HIGH
SET
TRIM
WIRE
SPEED
2W
5K
D12
100K
R42
100K
R52
392K
R44
18
15V
C15
1.00M
R43
100K
R53
10K
R57
100K
R54
C16
209
J2
7
208
J2
10
X2
9
8
10
18.2K
R45
2.21K
R47
681
R76
1.00K
R55
2.21K
R49
203
J2
6
X2
14
12
13
100K
R59
1.8
20V
C19
1.00K
R58
TRIM
SET
LOW
SET
MOTOR
FEEDBACK
CURRENT
SPEED
FEEDBACK
VOLTAGE
R2
MOTOR
D14
10K
CW
R56
X3
5
7
6
400V
.1
C27
G
MT2
MT1
2500D
TRI1
100
R5
C4
5W
25
R6
3.32K
R78
OCI1
4
6
1400V
.0047
C1
1.00K
R8
400V
.1
C3
P1
J1
2
3.32K
R79
SCR2
3
1
2
D1
3.32K
R80
OCI2
6
4
1.00K
R2
150
R3
600V
55A
SCR1
3
2
1
400V
.1
C2
P1
J1
6
GAS
120VAC
32
CONTROL
GAS SOLENOID
7
SOLENOID
WDG
31A
125VAC
24V
W/
115VAC
AUX
31A
31
5W
.5
R69
15.0K
R63
22.1K
R39
1.00K
R41
D13
6.81K
R65
C20
X2
1
3
2
15.0K
R64
D17
10K
R68
10K
R66
22.1K
R61
6A
100V
Q7
1
3
2
1W
16V
DZ3
203
+15V
ERROR
AMP
OSCILLATOR
SHUTDOWN
203
PWM
1.00K
R70
X3
14
12
13
22.1K
R38
C26
X3
8
9
10
40V
600mA
Q2
500mA
300V
Q1
C14
X3
1
2
3
22.1K
R60
3300
50V
C23
3A
200V
D16
10K
R71
2K
R37
2K
R83
D19
204
+15V
+15V
+15V
+15V
SUPPLY
10
J2
5
LEAD COLOR CODE
B - BLACK
MFD
1A, 400V
3
1
80
15W
R32
D2
211
J2
9
P2
J2
3
3.01K
R34
3.01K
R81
1.00K
R4
3.01K
R82
C21
40V
600mA
Q3
15.0K
R67
5W
150
R1
213
J2
8
40V
600mA
Q4
D18
83
27
47.5
R62
4.7
35V
C17
3.32K
R46
10K
R50
40V
600mA
Q5
1.0
35V
C18
1.00K
R51
1.00K
R48
10K
R73
D20
B
MOTOR
W
32
L2
S1
SWITCH
ON-OFF
FEED
WIRE
D4
D3
24VAC
GND
60 HZ
115VAC
L1
FAN
300V
500mA
Q6
D21
539
J2
2
541
J2
1
5W
.5
R72
85A
300V
85A
300V
D1
D2
C-
D-
21
1W
43V
DZ4
R-
3A
200V
D15
FRAME CONNECTION
DZ-4
LATCH
L
4
J1
LAST NO. USED
POWER SUPPLY SOURCE POINT
6
SCHEMATIC
SP 100 CONTROL
(UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
POWER
DIODES =
CAPACITORS =
RESISTORS = Ohms (
.022/50V
1/4W
(
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
LABELS
WELDING
OUTPUT
6
1
W - WHITE
P1
J1
3
1400VDC
.0047
C25
MOTOR
203
EARTH GROUND CONNECTION
8552
COMMON CONNECTION
VOLTAGE NET
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
NUMBER.
NOTES :
267
R75
OUTPUT
80
15W
R33
TRIGGER
212
SWITCH
MOTOR
STOP
203
T1
P2
J2
4
10K
R74
CHOKE
531
OVERCURRENT
SCR
S2
THERMOSTAT
D3
300V
85A
300V
D4
85A
+
C1
40V
59K
32
FIRING
100V
.22
C22
15.0K
R36
203
10-22-93L
NOTE: This machine schedmatic is provided for reference only and may not be totally applicable to every code covered
in this manual.