Lincoln Electric SVM152-A service manual Schematic Control PC Board #2, PW2

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G-5	ELECTRICAL DIAGRAMS	G-5
SCHEMATIC - CONTROL PC BOARD #2

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J4

J4

J4

J4

J4

J4

J4

J4

12

9

4

10

11

8

3

2

		+15V
	R1
C1	2.21K	D14
	LED1	18V
4.7uF		5W.1
	GREEN	1SMB5931
35V
	R31	NOISE_GND
C9	2.21K	D16
	LED2	18V
4.7uF		5W.1
	GREEN	1SMB5931
35V
	-15V		+5V
	R89
	1.00K	D13		C45
C10
	LED5
		2V.6
				1000uF
		5W.1
	GREEN
4.7uF		1SMB5920		35V
35V
NOISE_GND			+5SPI
	R82
	1.00K
C39	LED3	D12
		2V.6
		5W.1
4.7uF	GREEN
		1SMB5920
35V
	+15SPI			GSPI
	R134

D63 S1G

MC79L05ABD

2 I O 1

X4 5

A

7uF.4 35V

C16

+5V

14 14

PW1		C42	PW2
X10			X30
74AC14		0.1uF	74AC14
	7			7

D

1TP7

D46 -5V

1.5W

6.2V

1SMB5920

A

C137

0.1uF

R133

J2 3

1W200

C89

150pF

+5VRS232

		R165
		475
X16		2
		Q14
9 R	12 1
		MMBT4403
MC145407		3
D59
18V
1/2W
MMSZ5248BT1
D58
18V
1/2W
MMSZ5248BT1
GRS232

+5V

R163

1.00K

X10

RS232_RXD

(1)

+5V

3

4

74AC14

74AC14

RS232_TXD

2

X10

1

(1)

C88

+5V

0.1uF

+5VRS232

+5V

R166

C91

R167

475

2

8

7

6

0.1uF

1.00K

R204

10.0K

2

2

8

7

6

X16

R132

15

D

6

TRAN

4

J2

1

1W200

3

OCI1

5

Q13

MC145407

HCPL-0601

MMBT4403

C64

D53

3

D

18V

3

OCI2

5

1/2W

GRS232

D

HCPL-0601

150pF

MMSZ5248BT1

D

D52

GRS232

18V

X16

1/2W

MMSZ5248BT1

13

D

8

C65

MC145407

X16

GRS232

+10VRS232

11

D

10

10uF

MC145407

+5VRS232

20

18

16V

C66

X16

2

J2

C62

C1+ C1-

2

GNDVDD

17

7

R

14

X16

+5VRS232

J4

GRS232

10uF

4

VSS VCC

19

10uF

MC145407

R131

6

16V

C2+ C2-

16V

X16

1.00K

1

3

MC145407

5

R

16

C61

C92

D1

C63

-10VRS232

GRS232

MC145407

2V.6

LED6

0.1uF

5W.1

10uF

4.7uF

1SMB5920

GREEN

35V

5

J4

16V

FULL DUPLEX RS232 COMMUNICATION LINK

1

J2

GRS232

	2.21K
C40	LED4	D43
		16V
4.7uF	GREEN	5W.1
		1SMB5930

+15v

R13

2.21K

+5V

+5CAN

+5CAN

4 J11

TOC

TOC

J4

1

35V

GSPI

+5V

4	J7	C117
		0.1uF
LED10
RED	+5V
		D

R193

1.00K

67 8

2

R195	C102	C101	D60
475			2V.6
			5W.1
	4.7uF	0.1uF
			1SMB5920
	35V

2

R177

1.00K

LED8

GREEN

Section

Master

CONTROL BOARD VOLTAGE SUPPLIES

	S1G
	D71
STATUS+		1

3		D27	C115
	Q3	18V
		5W.1	0.1uF
	2N7002	1SMB5931
2

5OCI4

HCPL-0601

3

Q171

MMBT4403

3GCAN

3 J11

+5CAN

Return to

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J8		R52
	3	100
J8	4
		-15V

S1G

D73

STATUS LED CIRCUITRY

			R190 R192					D	X28
			4.75K		4.75K	1					25
								VCC		TX1
						5					21
								ALE/AS		RX1			RXA
						6					22
	NOISE_GND							RD*/E		RX0
						44					26
						30		MODE0	CAN	TX0	12		TXA
								MODE1		P2.5
+15v		(1)	INT_CAN			24					13
								INT*		P2.4
						9					14
								DSACK0*		P2.3
		(1)	SYS_RESET			29					15
								RESET*		P2.2
			CAN_CS			8					16
R12		(1)						CS*		P2.1
						10					17
2.21K		ADDR[1:18]						WRH*/P2.7		P2.0		CLK_8
						11					27		(1,4)
				ADDR1				INT*/P2.6	CLKOUT
							4				28

D

+5V

R191 R194

10.0K 475

GCAN								+5CAN
+5CAN									C121
	C103								0.1uF
				X29
	0.1uF	R178	1	RO	VCC		8		GCAN
		1.00K	3	OE	A	6
	GCAN		4	DI	B	7

R198

150

2 J11

R197 BUSS_L

221

1 J11

R196 BUSS_H

150

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EN-170

J8	2
J8	8		1SMB5929
		C134	5W.1	C133
			15V
		0.1uF	D10	0.1uF
J8	6
J8	7
	NOISE_GND	D A	GSPI

GROUND

TIE POINT

AD0 RDY/MISO

2 5

3	J7	ADDR2	3	AD1	R/W*	7	R/W
		ADDR3	2	AD2	P1.0/AD8	38	DATA8

2

2

8 7	6	RE* GND
		MAX485

GCAN

R30 +15V

100

D11 15V

+5V

S1G

D72

STATUS-1

				ADDR4	43			37	DATA9	1
	LED9					AD3	P1.1/AD9
			42		36
	GREEN					ADDR5	AD4/MOSI	P1.2/AD10	DATA10
				41	35
						ADDR6	AD5	P1.3/AD11	DATA11
				40	34
						ADDR7	AD6/SCLK	P1.4/AD12	DATA12
				39	33
3						ADDR8	AD7	P1.5/AD13	DATA13
									DATA14
					18	32
		D26	C116			XTAL1	P1.6/AD14		DATA15
					19			31
						XTAL2	P1.7/AD15
	Q2	18V			20			23
		5W.1				VSS2	VSS1		DATA[0:15]
	2N7002					AN82527

Q16

MMBT4403

3

3

D

		TRANSCEIVER	D62
		GCAN	2V.6
			5W.1
OCI3	5
			1SMB5920

HCPL-0601

GCAN

GCAN

D61 2V.6

5W.1 1SMB5920

5W.1 1SMB5929

S1G

D74

2		1SMB5931	22pF	Y1	D	D
			C118	00Mhz.16
			D 22pF		CAN COMMUNICATION CIRCUITRY
	NOISE_GND

ISOLATION BARRRIER CAN COMMUNICATION CIRCUITRY

THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY THE LINCOLN ELECTRIC COMPANY AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS WRITTEN PERMISSION OF THE LINCOLN ELECTRIC COMPANY, CLEVELAND, OHIO U.S.A.

UNLESS OTHERWISE SPECIFIED TOLERANCE	"X" INFO.	Chg. Sheet No.	DESIGN INFORMATION	REFERENCE:	EQUIPMENT TYPE:	INVERTER WELDERS
ON 2 PLACE DECIMALS IS ± ￿.02	XM5626	6-2-2000A
MANUFACTURING TOLERANCE PER E2056
ON 3 PLACE DECIMALS IS ± ￿.002			DRAWN BY: F.V.		SUBJECT:	DIGITAL CONTROL SCHEMATIC
ON ALL ANGLES IS ± ￿.5 OF A DEGREE	XA		ENGINEER: T. KOOKEN	SUPERSEDING:
MATERIAL TOLERANCE (" t") TO AGREE						DATE:12-15-99 DRAWING No.: G 3789-1D0/2
WITH PUBLISHED STANDARDS.			APPROVED:		SCALE:NONE
DO NOT SCALE THIS DRAWING

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.

SOLID EDGE

V350-PRO