Lincoln Electric SVM146-A service manual PC Board Assembly Output Board, Reqd Identification

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G-9	ELECTRICAL DIAGRAMS	G-9
PC BOARD ASSEMBLY - OUTPUT BOARD

																																											ITEM			REQ'D		PART NO		IDENTIFICATION
																																											C1,C3,C11,C15,C34,C35		)	6	)	S20500-5	)	.0015/2000V
																																											C2	)		1	)	S13490-42	)	1.0/35
																																											C4,C26,C27,C30,C36,C37		)	6	)	T11577-58	)	.0047/3000V
																																											C5,C6,C7,C25	)		4	)	S20500-1	)	.1/1000
																																											C8,C12,C17	)		3	)	S16668-7	)	820pF/50
																																											C9,C10,C21	)		3	)	T11577-52	)	.0047 or .005/1400
																																											C13	)		1	)	S13490-72
																																											C14	)		1	)	S13490-71
																																											C16	)		1	)	S13490-93
																																											C18	)		1	)	S13490-121
																																											C20,C22,C23,C24,C29,C38		)	6	)	S16668-5	)	.022/50
																																											C28	)		1	)	S16668-11	)	.1/50
																																											C31,C32	)		2	)	T11577-46	)	.05/600V
																																											C33	)		1	)	T11577-57	)	0.1/400
																																											CR1	)		1	)	S13929-10	)	RELAY,DPDT,24VDC
		X4																									D24						D18						G3439-1		OUTPUT		D10,D11,D13,D14,D15,D16
																																											D17,D19,D20,D21,D23,D25
			B12			R4			R3		B11																													C16
																																											D26,D31
																			X1														Q7
																D13
															R60		R29																									Q8	D12,D22	)		2	)	T12705-34	)	1N4936
																																DZ11
						D27	D28																										R61							DZ3			D18,D24	)		2	)	T12705-50	)	DIODE
																																	DZ12										D27,D28,D29,D30		)	4	)	T12705-46	)	1000V/3AMP DIODE
																R34
											X2										C22	C23											R59										DZ1,DZ2,DZ9,DZ10		)	4	)	T12702-29	)	1N4744A
													R25	R21		C19
					C15	C35		C34	C3																																		DZ3	)		1	)	T12702-23	)	1N5352B
							A1
																																										D21	DZ7,DZ8,DZ11,DZ12		)	4	)	T12702-19	)	1N4742A
																	R30
																																											J30	)		1	)	S20351-6	)	HEADER
																		OCI1																									J31	)		1	)	S20351-10	)	RT. ANGLE HEADER
R66	R51	R53																										C31						C32			R35			C13	C14	D20	J32	)		1	)	S20351-14	)	HEADER
																																											J33	)		1	)	S20351-4	)	HEADER
																			D9					Q2								Q4											J34	)		1	)	S20351-8	)	HEADER
																																											L1	)		1	)	T12218-2	)	5.6mH
																																											LED1,LED2	)		2	)	T13657-2	)	RED LED
				B21																									LED3													D19	LED3,LED4,LED5,LED6		)	4	)	T13657-3	)	GREEN LED
																								D25									D26										OCI1	)		1	)	S15000-26	)	OPTOCOUPLER,LOGIC-OUT
					R18		R19												C10
											R23				R15	R17																											OCI2,OCI3,OCI4	)		3	)	S15000-10	)	OPTO ISOLATOR
																											R11					R24	R58
																												LED5															Q2,Q4	)		2	)	T12704-80	)	HEXFET TRANS. (SS)
																			D22														R28										Q1,Q3,Q7,Q8	)		4	)	T12704-73	)	IC PKG MOSFET (SS)
																			D12																						D23		Q5	)		1	)	T12704-68	)	2N4401
					R5																																					LED1
												C33							C9																								Q6	)		1	)	T12704-86	)	TRANSISTOR,IGBT,1200V,45A
																										DZ8				DZ7			R56R54	C29R20	R10
																								R8	R12R6		Q3				Q1
						C5	C6	C7		C25			R63	R62	R16	R14		R7	D6	D8		R57	R13						C17														R1,R38	)		2	)	T12300-47	)	15 W 200 OHM RESISTOR
																								C12		C20	R31	R27		C24	R32	R26
																																Q5				C18						R22	R2	)		1	)	S19400-5110	)	511 1/4W
				LED6																																							R3,R4	)		2	)	T12300-66	)	15W / 56 OHM PWR RESISTOR
																																										D16
				R55											D31																											D17	R5	)		1	)	T14648-2	)	25 5W
				R2	Q6																											LED4										D15	R6,R8,R28,R58	)		4	)	S19400-1501	)	1.5K 1/4W
R65	R50	R52		DZ9															C21
			R36														R33	D7		C28	L1														D5	D3	D2	D4	C27	TP5		TP4
																			D11
				C2																														LED2								D14	R9,R13,R27	)		3	)	S19400-2213	)	221K 1/4W
				DZ10				A2							CR1										OCI2				OCI3				OCI4										R10,R11,R24,R29,R62		)	5	)	S19400-1211	)	1.21K 1/4W
				DZ2																																							R12,R26	)		2	)	S19400-3921	)	3.92K 1/4W
				DZ1																					D10					D1			R9										R14,R15,R16,R17,R33		)	5	)	S18380-3	)	THERMISTOR,PTC,0.08-0.19 OHMS,1.85A
																																	C8										R18,R19	)		2	)	S23995-1	)	SHUNT RESISTOR,.001 OHM,4W
										TP2	TP1	TP3
																																	C38
																																				C26		C30					R20,R54	)		2	)	S19400-2001	)	2.0K 1/4W
														R64																					C4
											C37																																R21	)		1	)	T14649-11	)	160/10W
					R38					R1																																	R22	)		1	)	S19400-3321	)	3.32K 1/4W
			J33																																								R23,R25	)		2	)	T14650-4	)	15W.,2500 OHM RESISTOR
						B1					C36		J31		J34												J32														J30		R30	)		1	)	S19400-4751	)	4.75K
							B2
								X40
				D30	C11	X20			C1	D29																																	R31,R32	)		2	)	S19400-4750	)	475 1/4W
																																											R34,R61	)		2	)	S19400-3741	)	3.74K 1/4W
																																											R35	)		1	)	T14649-4	)	100 10W
																																											R50,R51,R52,R53,R65,R66		)	6	)	T14650-1	)	1500 OHMS, 15 W. RESISTOR
																																											R55,R60	)		2	)	S19400-1001	)	1K 1/4W
																																											R56	)		1	)	S19400-8250	)	825 1/4W
																																											R57	)		1	)	S19400-8251	)	8.25K 1/4W
																																											R59	)		1	)	S19400-5111	)	5.11K 1/4W
																																											R63	)		1	)	T14650-2	)	80 15W
																																											R64	)		1	)	S18380-9	)	THERMISTOR,PTC,10 OHMS,400MA
																																											TP1,TP2,TP3	)		3	)	T13640-20	)	480V/180J MOV
																																											TP4	)		1	)	T13640-9	)	20J
																																											TP5	)		1	)	T13640-15	)	15J
																																											X1	)		1	)	S15018-19	)	IC,DRIVER,FET,6A

CAPACITORS = MFD/VOLTS

RESISTORS = OHMS

3-19-99

G 3439-1

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 pro- vided 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.

PRO-CUT 80