Lincoln Electric R3R-300, R3R-500 service manual Pocket Amptrol Schematic

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G-6 ELECTRICAL DIAGRAMS G-6

Pocket Amptrol Schematic

+12V

NETVOLTAGE SUPPLY

POINTSOURCE SUPPLYPOWER

CONNECTIONCOMMON

CONNECTIONGROUND EARTH

L6661

AMPTROLPOCKET

L

C12

USED.NO LAST

CONNECTIONFRAME

.

100p

SCHEMATIC

SHT .NO

1000V

DZ5

_- R

_- C

LABELSD-_

10V

500mW

81

8

12

2

X3

X3

-1

10

11

-

X2

1

R1

9

13

9

3

10K

.

C17

5

6

3.92K

R3R

.C.S-912-27SUPÕSÕDÕGCHK.DATE.

C15

R28

.01

.0033

J7

TO DIODE-

C10

+12V

200V

X3

SPECIFIED)OTHERWISE UNLESS 022/50V.( MFD =CAPACITORS

.68

200V

HEAT SINK

2 1

4 3

A..S.OHIOUCLEVELAND,SUBJECT

50V

R18

75K.4

R27

SPECIFIED)OTHERWISE UNLESS 1/4W (Ohms =RESISTORS

.EQUIP TYPE

ASSEMBLY

1K.22 5K.47 68K.7

4

10K

R17 R16 R15

J6

219

2

R11

R13

2

C13

SPECIFIED)OTHERWISE (UNLESS 400V1A, =DIODES

X1

1

R22

C11 3.01K

C9

133K

3

4.7

J6

D1

R19

4.75K

35V

.02

D2

18

13

11

X4

10

13

X4

12

1

2

600V

15V

4.75K

3 1

6 4

X1

14

.CO ELECTRICLINCOLN THE

218

J6

1

R12

12

C16

267K

D8

X3

NONE

3.01K

.01

R23

R25

200V

100K

INFORMATIONGENERAL

E1537PER SYMBOLSELECTRICAL

+12V

R26

3

C8

100K

SCALE

.68

R35

133K

6

50V

X1

7

R21

1

2

3

4

5

6

8

X4

X4

X4

X4

5

4.75K

9

C14

C18

750p

R20

75K.4

1000V

10

25V

DR

9

Q1

VDD

16

7

Q2

X5

R

11

6

Q3

/C

10

CODE

5

Q4

Q12

1

MAY

3

Q5

Q11

15

DIAGRAM

COMMON

2

Q6

Q10

14

4

Q7

Q9

12

8

VSS

Q8

13

CHANGEMAY BOARDCIRCUIT PRINTEDA ONCIRCUITRY ORCOMPONENTS SINCE .A. N

THISBOARD, COMPLETEA OFINTERCHANGEABILITY THEAFFECTING WITHOUT

AHAVING CONTROLSOF CIRCUITRYOR COMPONENTSEXACT THESHOW NOT

MC1404

R62

33.2K

R51

68.1K

R44

68.1K

R45

68.1K

68.1K

68.1K

68.1K

68.1K

68.1K

68.1K

68.1K

R55

68.1K

68.1K

.No .Sht .ChÕge

82-15 -1

82M-12 -3

82R-21 -5 AGREETO ("t")TOLERANCE MATERIAL

91J-8 -3

R56

R38

R39

R40

R41

R42

R43

R57

R58

R59

R60

R61

33.2K

33.2K

33.2K

33.2K

33.2K

33.2K

33.2K

33.2K

33.2K

33.2K

33.2K

33.2K

+12V

R46

R47

R48

R49

R52

R53

R54

R50

TOLERANCESPECIFIED OTHERWISEUNLESS

2056- O2.+ EPER ISDECIMALS SIZESHOLES PLACE ON 2 ON

OO2. DEGREE +IS A DECIMALS OF 5.+ PLACE ISANGLES 3ON ALL ON

STANDARDSPUBLISHED WITH

Q3

12

13

.NUMBER

G

J7

R29

1

D9

10K

CW

X2

:NOTES

10.0

R31

6.81K

R6

C4

475

C6

R37

14

R10

10K

D3

100

100

100K

CW

50V

15V

R3

A

9

R14

TP1

X1

9

R34

8

C

6.81K

50V

DZ1

Q1

R2

X2

4.75K

15J

8

10

12V

6.81K

1W

10

Y

J7

R36

6.81K

+12V

2

R8

10K

3.32K

CW

DZ2

R7

12V

R33

R32

B

1W

47.5K

6.81K

C5

C7

Q2

100

100

DZ4

DZ3

+12V

475

D4

50V

R9

15V

D6

G

J7

R30

15V

15V

3

Q4

1W

1W

10.0

D5

82

82

82

1A

R24

4

4

14

14

16

100V

1/2W

R4

1/2W

R5

1/2W

C1

C2

C20

C19

C21

-12V

D

X1

X2

X5

X3

X4

L

J6

J6

J6

LM224

C3

LM224

C22

4011

HEXTRGR

MC1404

6661

5

4

3

11

11

7

7

8

77

76

75

-12V

82-4

FRANCE

82-2

CANADA

82-2

AUSTRALIA

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	R3R
in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.