Lincoln Electric SVM145-B Welder User Manual


  Open as PDF
of 175
 
COMMANDER 300
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-10
ELECTRICAL DIAGRAMS
G-10
SCHEMATIC - METER PC BOARD
1.0
35V
C9
COM
LED3_LE
CTL COM
D4
MTR1_OE
LED2_LE
MTR2_OE
LED5_LE
D4
D5
D6
D5
D7
D6
D7
+5V MTR 1
COM
LED BUS
D1
D2
LED BUS
D6
D7
D5
D0
D4
D3
MTR1_OE
MTR2_OE
+5V
EEPROM SCL
COM
COM
EEPROM SDA
A/D LINE DATA OUT
A/D CTL LINE SCK
EEPROM SCL
LED1_LE
LED BUS
LED5_LE
LED4_LE
LED6_LE
LED2_LE
EEPROM SDA
15.0
R33
QC
QE
74HC164
QB
QG
QF
QD
QA
A!
A2
CLK
R
QH
X13
10
2
4
11
8
3
9
6
12
13
1
5
15.0
R36
15.0
R34
15.0
R37
15.0
R35
D2
Q0
D7
LE
D0
Q2
Q1
D5
D6
Q3
Q4
Q5
Q6
Q7
OE
74HC573
D4
D1
D3
X9
12
1
16
19
2
6
15
9
11
4
8
3
7
5
17
18
13
14
GND
IN
OUT
X6
100V
3A
Q2
CTL+5V
A/D CTL LINE DIN
+5V
A/D CTL LINE CS
+5V
+5V
CTL+5V
+5V
CTL+5V
+5V
CTL+5V
1A, 400V
RESISTORS = Ohms (
MFD
.022/50V
1/4W
ELECTRICAL SYMBOLS PER E1537
X-
OCI- 5
POWER SUPPLY SOURCE POINT
TP- 1
Q-
Y- 1
VOLTAGE NET
DZ-
LED- 6
45
160
(
GENERAL INFORMATION
R-
SUPPLY
Q4
2N4403
J9
3
LED5
2
1
4
10
6
5
9
7
8
3
L
UNLESS OTHERWISE SPECIFIED)
tens meter 2
ones meter 2
5
hundreds meter 2
D-
C-
4
(UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
10658
FRAME CONNECTION
LED6
2
1
4
10
6
5
9
7
8
3
DIODES =
CAPACITORS =
LAST NO. USED
15
LABELS
6
6
FILENAME: L10658_1CA
7
4
SPARE COMPONENTS
COMMON CONNECTION
A/D LINE DATA OUT
CTL+5V
EARTH GROUND CONNECTION
A/D CTL LINE SCK
50V
0.1
C26
101
1.00K
R61
CTL COM
+5V
CTL +12V
CTL COM
COM
CTL COM
CTL COM
CTL COM
CTL COM
CURRENT
VOLTAGE
105
Vss
28
Vdd
14
PD7/TCAP
AN2/PC4
PB5/SDO
/IRQ
VRH/PC4
/RESET
OSC1
OSC2
PC0
PC1
PC2
AN3/PC3
PA3
AN1/PC5
AN0/PC6
PD5
TCMP
PA4
PA5
PA7
PA2
PA6
PA0
PA1
PB6/SDI
PB7/SCK
MC68HC705
X1
7
20
19
23
8
9
6
3
25
27
4
21
12
18
16
17
2
15
1
26
22
11
24
13
5
10
TEST 7
100V
22p
C19
104
102
103
10.0K
R148
J8
1
NCNC
OCI1
5
2
8
3
6
4
1
7
10.0K
R98
CTL COM
R107
MC145051
X10
20
10
50V
0.1
C35
50V
0.1
C28
74HC573
X12
20
10
50V
0.1
C41
C18
39
20V
C42
74HC573
X11
20
10
R97
74HC573
X14
20
10
CTL +12V
CTL COM
CTL+5V
NOTES :
R108
4.7
35V
C8
50V
0.1
C7
+5V
COM
COM
D2
Q0
D7
LE
D0
Q2
Q1
D5
D6
Q3
Q4
Q5
Q6
Q7
OE
74HC573
D4
D1
D3
X14
12
1
16
19
2
6
15
9
11
4
8
3
7
5
17
18
13
14
1W
10V
DZ5
MTR1_OE
LED3_LE
LED1_LE
D1
D0
LED3_LE
MTR1_OE
D5
D3
D1
D0
D3
LED2_LE
LED5_LE
LED4_LE
LED6_LE
D7
D2D2
D5
D4D4
LED6_LE
D7
D6
MTR2_OE
D6
D1
+5V MTR 2
4
R145
5
5
D2
Q0
D7
LE
D0
Q2
Q1
D5
D6
Q3
Q4
Q5
Q6
Q7
OE
74HC573
D4
D1
D3
X7
12
1
16
19
2
6
15
9
11
4
8
3
7
5
17
18
13
14
R109
6
7
R141
10
9
2
D2
Q0
D7
LE
D0
Q2
Q1
D5
D6
Q3
Q4
Q5
Q6
Q7
OE
74HC573
D4
D1
D3
X11
12
1
16
19
2
6
15
9
11
4
8
3
7
5
17
18
13
14
LED4
2
1
4
10
6
5
9
7
8
3
R129
R115
R143
R144
162
R142
R130
R116
4
D6
+5V MTR 2
D1
D2
D3
D1
D0
D2
D3
D0
LED BUS
+5V MTR 2
D2
D3
D1
D4
D1
D5
D6
D0
D5
D2
D0
D3
D4
LED1_LE
D7
LED4_LE
D7
MTR1_OE
MTR2_OE
1
1.0
35V
C6
COM
15.0
R20
100J
18V
TP1
15.0
R18
COM
J9
1
50V
0.1
C16
R16
15.0
R19
1.0
35V
C17
15.0
R22
100V
3A
Q1
232
J9
2
RUN STOP SWITCH
STOP
RUN
+12V BATT
5L
TEST 2
15.0
R21
GND
IN
OUT
X5
tens meter 1
10.0K
R43
LED2
2
1
4
10
6
5
9
7
8
3
4.75K
R127
of led5
6
R89
5
162
R88
R90
R50
R78
hundreds meter 1
R93
R91
R53
shown as mirror image
shown as mirror image
LED1
2
1
4
10
6
5
9
7
8
3
shown as mirror image
R76
R60
25
R67
1
10
COM
+5V
2
4
7
9
+5V
+5V MTR 1
+5V MTR 1
SERIAL EEPROM
A/D CONVERSION
1
10
ones meter 1
of led6
9
6
7
5
4
2
of led4
R87
LED3
2
1
4
10
6
5
9
7
8
3
R79
R59
R95
R94
162
R92
R51
R52
10.0K
R44
4.75K
R45
WP
SDA
SCL
A2
A0
Vcc
A1
24C01A
GND
m15104-13
X3
7
54
6
8
3
2
1
4.75K
R57
50V
0.1
C15
R47
4.75K
R131
4.75K
R70
1.00K
R69
R46
50V
0.1
C14
50V
0.1
C2
4.75K
R48
+5V
A/D CTL LINE DIN
R65
R80
R72
1.00K
R71
R66
R54
20.0
R2
R39
R82
R40
R73
R42
D3
A/D CTL LINE CS
A/D LINE EDC
MICROCONTROLLER & SUPPORT
TEST 1
POWER SUPPLIES
R13
1.00K
R11
R14
R12
R15
R4
R5
R17
R1
4.7
35V
C3
R6
20.0
R7
R10
R9
R8
R3
1W
10V
DZ4
50V
0.1
C10
10.0K
R123
R31
GND
IN
OUT
X4
R56
20.0
R41
R74
20.0
R55
R38
R27
10.0K
R149
10.0K
R96
5W
10V
DZ2
5W
10V
DZ3
R25
5W
10V
DZ1
1.0
35V
C1
D4
1N5402
150
R32
200V
.15
C45
R23
R30
R28
R26
R24
R29
R81
NUMBER.
COM
5
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
50V
0.1
C36
Q3
2N4403
50V
0.1
C29
1.00K
R160
NC NC
OCI5
5
2
8
3
6
4
1
7
1.00K
R153
475
R62
10
D2
Q0
D7
LE
D0
Q2
Q1
D5
D6
Q3
Q4
Q5
Q6
Q7
OE
74HC573
D4
D1
D3
X8
12
1
16
19
2
6
15
9
11
4
8
3
7
5
17
18
13
14
+5V
A/D LINE EDC
COM
CTL COM
2
10
1
9
7
1
7
9
2
475
R68
162
R134
R137
D2
Q0
D7
LE
D0
Q2
Q1
D5
D6
Q3
Q4
Q5
Q6
Q7
OE
74HC573
D4
D1
D3
X12
12
1
16
19
2
6
15
9
11
4
8
3
7
5
17
18
13
14
R124
R136
R125
R128
R135
R119
R113
R114
R140
162
R138
R139
R110
COM
+5V
CTL COM
NC NC
OCI4
5
2
8
3
6
4
1
7
10.0K
R120
50V
0.1
C24
6.81K
R99
CTL COM
TEST 8
75
TEST 9
TEST 10
TEST 11
77
76
68.1K
R102
1.0
35V
C25
100V
22p
C20
50V
0.1
C32
1.0
35V
C27
50V
0.1
C38
10.0K
R106
1.00M
R75
6.81K
R105
J8
5
100K
R147
68.1K
R103
130
4.0MHz
Y1
50V
0.1
C44
6.81K
R101
10.0K
R126
J8
3
50V
0.1
C37
J8
4
100K
R146
50V
0.1
C30
50V
0.1
C11
100K
R49
S-8054HN
Vdd
Vss
RES
X2
1.00K
R58
10.0K
R104
4.75K
R118
20
10
AN9
AN2
/CS
VAG
AN0
AN10
Dout
Din
Sclk
EOC
Vref
Vdd
Vss
AN8
AN6
AN4
AN5
AN1
AN3
AN7
MC145051
X10
5
6
19
18
16
14
9
15
11
12
4
7
1
13
8
2
17
3
50V
0.1
C31
J8
2
50V
0.1
C34
Q7
2N4403
10.0K
R159
50V
0.1
C23
6.81K
R100
475
R158
74HC573
X8
20
10
MC68HC705
X1
28
14
C43
50V
0.1
C12
74HC164
X13
14
7
J9
4
R133
R111
R112
R117
74HC573
X9
20
10
J9
5
10.0K
R132
4.7
35V
C40
COM
50V
.022
C33
CTL COM
+5V
CTL +12V
COM
+5V MTR 1
+5V MTR 2
LED BUS
CTL+5V
MTR2_OE
74HC573
X7
20
10
107
TEST 6
TEST 5
TEST 4
TEST 3
106
ISO +12V FROM CONTROL PCB
301
R150
50V
0.1
C39
301
R152
301
R151
50V
0.1
C21
D2
X15
TL431
REF
8
1
6
4.7
35V
C5
10.0K
R122
10.0K
R121
50V
0.1
C4
475
R156
Q5
2N4403
475
R154
NCNC
OCI3
5
2
8
3
6
4
1
7
1.00K
R64
COM
COM
7
6
4
10
1
9
R83
162
R84
R86
R85
R77
Q6
2N4403
10.0K
R157
50V
0.1
C13
10.0K
R155
NCNC
OCI2
5
2
8
3
6
4
1
7
1.00K
R63
CTL COM
CTL+5V
CTL COM
50V
0.1
C22
8-14-98A
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
 previous next