Lincoln Electric SVM145-B service manual PC Board Assembly Engine Protection Board

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G-7	ELECTRICAL DIAGRAMS	G-7
PC BOARD ASSEMBLY - ENGINE PROTECTION BOARD

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CAPACITORS = MFD/VOLTS RESISTORS = OHMS

ITEM	REQ'D	PART NO.	IDENTIFICATION
C1,C2,C3,C7,C8,C9,C10,C11	21	S16668-5	.022/50
C13,C16,C21,C24,C30,C32
C34,C35,C36,C43,C48,C49
C52
C4	1	S13490-104	39uF/20V
C6,C15,C20,C22,C23,C25,C26	10	S16668-11	.1/50
C38,C39,C53
C12,C31,C37,C41,C47,C54	6	T11577-52	.0047 or .005/1400
C14,C17	2	S13490-15	100 /16
C18	1	T11577-49	500 /50

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.25

±.04

6.00

5.78

J5

J6

D52 R160

C54		D53	R25	C26
D10	C42	C37
				C19
		TP1		C
R151

R109

R27	Q1	R164
		R94

D3

	OCI1	R26	B
		D12
D59		D25
		DZ5
		R98	R12

C18

D5	R50
R13	R54

X3

C17

R97

D4

D

E

C14

Q10

D20

			R11	R10	R147	Q6	Q5
							R56
R115	X2	R3	R4	D6	D26	R47

	D22
	R40			C28
	R123	R122	R62
Q9				D24

R46 R63

R64

D17

Q8 DZ8 D27

R93

R89

Q13	Q14						R35	X1	C13	C30	R48
							R92
R95						Q2	C27	R31
		C36	R37	R36	R33
D1

C19	1	T11577 -58	.0047/3000V
C27,C28	2	S13490-39	18 /15
C33,C46	2	S13490-25	4.7/35
C40	1	S13490-42	1.0/35
C42	1	S13490-72	50 /50
C51	1	S13490-102	.047/100
D1,D2,D4,D5,D8,D10,D16,D17	29	T12199-1	1N4004
D22,D24,D26,D27,D28,D29
D30,D31,D32,D33,D35,D38
D41,D43,D44,D45,D46,D54
D55,D56,D59
D3	1	T12705-32	15A/600V
D6,D7,D9,D11,D12,D13,D15	12	T12199-2	1N4007
D34,D36,D47,D52,D53
D20	1	T12705-14	DIODE
D25	1	T12705-29	DIODE
D57,D58	2	T12705-23	1N5818
DZ1	1	T12702-40	1N4735
DZ2,DZ3,DZ4,DZ7	4	T12702-4	1N4747
DZ5,DZ6,DZ8	3	T12702-29	1N4744A
DZ11	1	T12702-33	1N5347B
DZ12	1	T12702-52	1N4733A
J5	1	S24016-6	HEADER,RT-ANGLE
J6	1	S24016-12	HEADER,RT-ANGLE
J7	1	S24016-16	HEADER,RT-ANGLE
OCI1	1	S15000-10	OPTO ISOLATOR
Q1,Q5,Q11,Q12,Q13,Q18	6	T12704-68	2N4401
Q2	1	T12704-35	NPN TRANSISTOR
Q6,Q14	2	T12704-69	2N4403
Q8	1	T12704-54	N-CHANNEL FET (SS)
Q9	1	T12704-49	8A. 150V. PNP TRANSISTOR
Q10	1	S18395-30	H.S. ASBLY (SS)
R1,R126,R165	3	S19400-1003	100K 1/4W
R2	1	S19400-3162	31.6K 1/4W
R3,R6,R7,R8,R9,R16,R18,R20	35	S19400-1002	10K 1/4W
R21,R23,R24,R27,R36,R37
R48,R54,R63,R64,R72,R78

			R152
R149	R150	R29	C53
			C22
D47	D15		DZ12
D34		R159	R163

R1

R144

C51

R145

R45

D16

R137

R134

C49

R39

R38

R32

R16

C21

R17

R18

D46

Q12

C4

DZ11 R165 R79

C25
D11	Q11
R28

X12	C11
R2

X9 C10 R70 C32 R75 X5 C2

R79,R81,R82,R84,R86,R118
R124,R125,R134,R137,R139
R140,R141,R143,R146
R4,R68	2	S19400-3321	3.32K 1/4W
R5,R22,R28,R74,R101	5	S19400-1001	1K 1/4W
R10,R11,R147	3	S19400-68R1	68.1 1/4W
R12	1	T14648-25	10 5W
R13,R29,R149,R150	4	S18380-1	THERMISTOR,PTC,56 OHMS
R14,R38,R122	3	S19400-4752	47.5K 1/4W
R15	1	S19400-2213	221K 1/4W

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R30 D7

J7

D28
	D9					D13
C31	Q18					D36
C41	R69	D8	R73	R74	C35	DZ6	R128
C47
C12	R106	R107	R130	R129	R127
D2						D41	R5
R104

	R126
	C48
	C33
	C46
	C23
	R22
C15	DZ3
	R41
	R90
	R162
	R91

C40			X10
R24	C24	R23	R21	R9	R6	C16	R7
R161
			X6

	R15						F
			C20	R19	DZ1	R14	R124
C8	R72	R76
							R68
			R71				R80
							R81
							R139
DZ2	DZ4	R77 C34		R143	R140		X7

	X11
D44	R85	R83
		C3

		C9	A	C52	R146
D45	R87	R86	D43		R142	R141	D38
				X4

R138

X8

R84

C6

D54

C1

R114

G3004-2 C300 ENGINE PROTECTION

.22

0

.22

R132 R103 R102 R100 R108 D35 D31 D33 D30 D29 D32 D56 D55

C38	C39	R96
		R88

R44

DZ7R78

D58	R43
D57
	R42

R82

0

4.00	7.78
	±.04
	8.00

R17,R75,R145	3	S19400-3322	33.2K 1/4W
R19,R76	2	S19400-6812	68.1K 1/4W
R25	1	S19400-3570	357 1/4W
R26	1	S19400-6813	681K 1/4W
R30,R50,R56,R95,R115	5	S19400-1000	100 1/4W
R31,R123	2	S19400-1333	133K 1/4W
R32,R83,R114,R136	4	S19400-2002	20K 1/4W
R33,R35,R69,R73,R77	5	S19400-4751	4.75K
R39	1	S19400-6191	6.19K 1/4W
R40,R127,R129,R130	4	S19400-7681	7.68K 1/4W
R41,R42,R43,R44,R88,R90	8	S19400-2670	267 1/4W
R91,R96
R45,R46,R85,R163,R164	5	S19400-2212	22.1K 1/4W
R47,R100,R102,R103,R104	9	S19400-2000	200 1/4W
R106,R107,R108,R132
R62,R92	2	S19400-10R0	10 1/4W
R70	1	S19400-1822	18.2K 1/4W
R71	1	T10812-36	5K 1/2W TRIMMER
R80,R87,R138,R142	4	S19400-1212	12.1K 1/4W
R89,R93	2	T14648-22	50 5W
R94,R97	2	T12300-81	5 WATT 0.5+/-1% OHM RESISTOR
R98	1	T14648-21	2.7 5W
R109	1	S19400-2431	2.43K 1/4W
R128	1	S19400-4322	43.2K 1/4W
R131	1	S19400-1502	15K 1/4W
R144	1	S19400-1372	13.7K 1/4W
R151,R152	2	T14648-17	270 5W
R159,R160	2	S19400-2001	2.0K 1/4W
R161,R162	2	S19400-2211	2.21K 1/4W
TP1	1	T13640-26	18V/100J MOV
X1,X10,X12	3	S15128-11	14 PIN QUAD COMPARATOR
X2	1	S15128-10	IC,431,VOLTAGE REF.
X3	1	S15128-5	+5V REG.
X4	1	S17900-25	IC,74HC573A,CMOS,LATCH,3-STATE (SS)
X5,X8,X9	3	S15018-13	16 PIN I.C. (SS)
X6	1	M15102-4	IC,MC1413,ARRAY,DRIVER,PERIPHERAL(SS)
X7	1	S17900-24	IC,74HC132,CMOS,GATE,NAND,2-IN,ST(SS)
X11	1	S15018-15	14 PIN I.C. (SS)

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Chg. Sheet No.	DESIGN INFORMATION	REFERENCE:	EQUIPMENT TYPE:		COMMANDER 300
5-18-2001A	DRAWN BY: SWB
			SUBJECT:	ENGINE PROTECTION P.C. BOARD ASSEMBLY
11-16-2001L	ENGINEER:	SUPERSEDING:
			SCALE:	FULL	DATE: 11-1-2001DRAWING No.:	G3004-2
	APPROVED:	4-1 7-2 001

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