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G-11

ELECTRICAL DIAGRAMS

PC BOARD ASSEMBLY - METER BOARD

 

.25

4.25

7.75

~.04

9.00

~.04

G-11

ITEM

REQ'D

PART NO.

DESCRIPTION

 

 

 

 

C1,C6,C9,C17,C25,C27

6

S13490-42

1.0/35

C2,C4,C7,C10,C11,C12,C13

28

S16668-11

.1/50

C14,C15,C16,C21,C22,C23

 

 

 

C24,C26,C28,C29,C30,C31

 

 

 

C32,C34,C35,C36,C37,C38

 

 

 

C39,C41,C44

 

 

 

 

 

 

 

C3,C5,C8,C40

4

S13490-25

4.7/35

C18,C33,C43

3

S16668-5

.022/50

C19,C20

2

S16668-1

22pF/100

C42

1

S13490-104

39uF/20V

C45

1

S13490-96

.15/200

D1,D2,D3

3

T12199-1

1N4004

D4

1

T12705-14

DIODE

DZ1,DZ2,DZ3

3

T12702-33

1N5347B

DZ4,DZ5

2

T12702-27

1N4740

J8,J9

2

S22025-5

CONNECTOR,MOLEX,MINI,RT-L

LED1,LED2,LED3,LED4,LED5

6

S17395-5

LED DISPLAY

LED6

 

 

 

OCI1,OCI2,OCI3,OCI4,OCI5

5

S15000-28

OPTOCOUPLER,TTL-OUT

Q1,Q2

2

T12704-62

TRANSISTOR

Q3,Q4,Q5,Q6,Q7

5

T12704-69

2N4403

R1,R2,R3,R4,R5,R6,R7,R8,R9

20

S19400-20R0

20 1/4W

R10,R38,R39,R40,R41,R42

 

 

 

R55,R56,R73,R74,R82

 

 

 

R11,R12,R13,R14,R15,R16

21

S19400-1001

1K 1/4W

R17,R54,R58,R61,R63,R64

 

 

 

R65,R66,R69,R71,R72,R80

 

 

 

R81,R153,R160

 

 

 

R18,R19,R20,R21,R22,R33

10

S19400-15R0

15 1/4W

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5.00

4.75

 

 

 

 

 

C1

R1

R2

R3

R4

R5

R6

R7

R8

R9

R10

R11

R12

R13

R14

R15

R16

R17

R18

R19

R20

R21

R22

 

 

DZ1

R23

R24

R25

R26

 

R27

R28

R29

R30

R31

R32

R33

R34

R35

R36

R37

R38

R39

R40

R41

R42

 

 

 

 

 

 

 

 

DZ2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DZ3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R43

R44

R45

R46

R47

R48

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X3

 

C2

D3

C3

 

 

 

 

 

 

 

Q1

 

 

 

 

 

DZ4

 

C4

C5

C6

D1

X

 

 

C7

C8

C9

D2

 

 

 

 

 

X

 

 

 

 

 

 

 

DZ5

Q

 

 

 

 

 

C10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G3178-2

COMMANDER

METER

.25

0

R57

C33

C11

 

R49

X2

R58

 

C16

 

C17

 

X1

 

 

 

R123

R127

R131

R133

R132

R148

R149

Y1

R75

C19

C20

R96

R97

R107

R108

R111

R112

R117

R118

C35

X13

C43

C28C21C12

 

 

 

 

 

R50

X7

 

 

 

 

R51

 

 

 

 

R59

 

 

 

 

 

 

 

 

 

 

R60

X8

 

 

 

 

R67

 

 

 

 

R76

 

 

 

 

 

R77

 

 

 

 

 

R83

X9

 

 

 

 

 

 

 

 

 

 

 

R109

X11

 

 

 

 

R110

 

 

 

 

R113

 

 

 

 

 

 

 

 

 

 

R114

X12

 

 

 

 

R119

 

 

 

 

R124

 

 

 

 

 

 

 

 

 

 

R125

 

 

 

 

 

R128

X14

 

 

 

 

 

 

 

Q5

Q6

Q7

R153

R154

R155

R156

R157

R158

R159

 

 

 

 

 

 

 

 

 

 

 

R52

R53

 

OCI1

 

LED1

 

 

 

LED2

 

 

 

LED3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R78

R79

 

OCI2

R84

R85

R86

R87

R88

R89

R90

R91

R92

R93

R94

R95

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OCI3

 

 

 

 

 

 

 

 

 

 

 

 

 

C29

OCI4

 

 

 

 

 

 

 

 

 

 

 

R115

R116

 

 

LED4

 

 

 

LED5

 

 

 

LED6

 

 

 

 

 

 

 

 

R137

 

 

R140

R141

R142

 

R144

R129

R130

C36

OCI5

R134

R135

R136

R138

R139

R143

R145

 

 

 

R160

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C13

R61

R62

R68

C22

C23

C24

C25

C26

C27

C30

C31

R120

C34

R126

C37

C38

R146

R147

C44

J8

Q3

 

Q4

 

 

 

 

 

C14

 

 

 

 

 

 

 

C15

 

 

 

 

R63

R64

 

 

 

 

 

 

 

 

R69

 

 

 

 

 

 

 

 

 

 

R70

 

C18

 

 

 

 

 

 

X10

 

 

 

R98

R99

R100

R101

R102

R103

R104

R105

R106

C32

 

 

 

 

 

 

R121

 

 

 

 

 

 

 

 

 

 

R122

 

 

 

 

C39

C40

 

X15

 

 

C41

 

C42

 

 

 

 

 

R150

 

 

 

 

 

 

 

 

 

R151

 

 

 

 

 

 

 

 

 

R152

 

 

 

 

J9

R54

R55

R65

R56

R66

 

R71

 

R72

R73

R80

R74

R81

R82

TP1

C45

D4

0

1.25

5.50

8.75

R34,R35,R36,R37

 

 

 

R23,R24,R25,R26,R27,R28

10

S19400-1500

150 1/4W

R29,R30,R31,R32

 

 

 

R43,R44,R96,R97,R98,R104

24

S19400-1002

10K 1/4W

R106,R107,R108,R111,R112

 

 

 

R117,R120,R121,R122,R123

 

 

 

R126,R132,R133,R148,R149

 

 

 

R155,R157,R159

 

 

 

R45,R46,R47,R48,R57,R70

9

S19400-4751

4.75K

R118,R127,R131

 

 

 

R49,R146,R147

3

S19400-1003

100K 1/4W

R50,R51,R52,R53,R59,R60

48

S19400-1620

162 1/4W

R67,R76,R77,R78,R79,R83

 

 

 

R84,R85,R86,R87,R88,R89

 

 

 

R90,R91,R92,R93,R94,R95

 

 

 

R109,R110,R113,R114,R115

 

 

 

R116,R119,R124,R125,R128

 

 

 

R129,R130,R134,R135,R136

 

 

 

R137,R138,R139,R140,R141

 

 

 

R142,R143,R144,R145

 

 

 

R62,R68,R154,R156,R158

5

S19400-4750

475 1/4W

R75

1

S19400-1004

1M 1/4W

R99,R100,R101,R105

4

S19400-6811

6.81K 1/4W

R102,R103

2

S19400-6812

68.1K 1/4W

R150,R151,R152

3

S19400-3010

301 1/4W

TP1

1

T13640-26

18V/100J MOV

X1

1

S24214-2

ROM ASSEMBLY(SS)

X2

1

M15102-3

IC,S8054HN,UNDERVOLT. SENSING CIR. (SS)

X3

1

M15104-13

IC,24C01A,CMOS,EEPROM (SS)

X4

1

S15128-5

+5V REG.

X5,X6

2

S15128-5

+5 V REG.

X7,X8,X9,X11,X12,X14

6

S17900-25

IC,74HC573A,CMOS,LATCH,3-STATE (SS)

X10

1

M15105-7

IC,CMOS,MPU,A/D,10-BIT(SS)

X13

1

S17900-9

14 PIN I.C. (SS)

X15

1

S15128-10

IC,431,VOLTAGE REF.

Y1

1

S16665-2

4.0 MHz

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2-5-99A

G 3178-2

NOTE: Lincoln Electric assumes no responsibility for liabilities 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.

COMMANDER 300

Page 172
Image 172
Lincoln Electric SVM145-B service manual PC Board Assembly Meter Board, Reqd Description