Lincoln Electric SVM186-A service manual PC Board Assembly Control #2 G5641

Page 104
PRECISION TIG® 225

G-8

ELECTRICAL DIAGRAMS

G-8

PC BOARD ASSEMBLY - CONTROL #2 (G5641)

 

 

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2-5641G

ENGINEERING CONTROLLED

CHANGE DETAIL: NEW

 

 

 

 

 

 

 

 

 

ITEM (USED WITH)*`

QTY

PART NUMBER

DESCRIPTION

 

MANUFACTURER:

Yes

 

 

 

 

 

 

 

 

 

 

 

1

 

 

1

G5641-C

PC BOARD BLANK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 (TRI1, TRI3, X5)*

3

CF000003

6-32 X .375 ROUND HEAD MACHINE SCREW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 (TRI1, TRI3, X5)*

3

E106A-13

# 6 LOCK WASHER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 (TRI1, TRI3, X5)*

AS REQ E1868

THERMO JOINT COMPOUND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 (TRI1, TRI3, X5)*

3

S18104-3

HEAT SINK,ALUMINUM,EXTRUDED,FOR 1 TO-220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

1

S26585-4

PSOC SOFTWARE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

AS REQ E2861

SEALANT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

AS REQ E2519-1

SEALANT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFER TO ELECTRONIC COMPONENT DATABASE FOR SPECIFICATIONS ON ITEMS LISTED BELOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFERENCES

QTY

PART NUMBER

DESCRIPTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A1

 

 

1

M17789-4

ENCODER,INCREMENTAL,2-BIT,PEC12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1, C3, C29, C39, C41,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C42,

C43, C58, C60, C78,

21

S25020-2SMT

CAPACITOR,SMD,CERAMIC,0.022MF,50V,10%,X7R,S0805

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C84, C89, C90, C91, C92,

 

 

 

 

 

 

 

 

 

 

N.C.,N.J.

 

N.C.

 

 

N.L.

 

C94, C95, C103, C104,

 

 

 

 

 

N.F.

 

 

N.C.,N.D.

N.C.

 

 

 

 

 

 

C109, C110

4

S25020-9SMT

CAPACITOR,SMD,CERAMIC,47pF,50V,5%,COG,S0805

 

 

 

 

 

 

 

 

 

 

 

 

C2,

C10, C35, C111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C4, C23, C38

3

S25024-2SMT

CAPACITOR,SMD,TANTALUM,1.0MF,35V,10%,S3528

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C5,

C20, C45

3

S25020-12SMT

CAPACITOR,SMD,CERAMIC,100pF,100V,5%,COG,S0805

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C6, C7, C9, C12, C17,

14

S25020-10SMT

CAPACITOR,SMD,CERAMIC,4700pF,50V,10%,XR7,S0805

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C18, C24, C30, C31, C32,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C34, C44, C53, C59

4

S20500-17

CAPACITOR,PPMF,0.1MF,630V,5%,BOX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C8, C13, C25, C26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C11, C14, C19, C21, C22,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C33, C48, C50, C51, C52,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C55, C56, C62, C64, C66,

32

S25020-3SMT

CAPACITOR,SMD,CERAMIC,0.1MF,50V,10%,X7R,S0805

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C68, C74, C75, C76, C79,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C80,

C81, C82, C83, C85,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C93, C98, C100, C105,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C107, C108, C112

2

S25020-4SMT

CAPACITOR,SMD,CERAMIC,820pF,50V,5%,COG,S0805

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C15,

C63

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C16, C40, C113

3

S25020-14SMT

CAPACITOR,SMD,CERAMIC,330pF,100V,5%,COG,S0805

 

X XXX X

 

 

 

 

 

 

 

 

 

 

 

 

 

C27,

C36, C37

3

S25020-7SMT

CAPACITOR,SMD,CERAMIC,0.22MF,50V,20%,X7R,S1812

 

 

 

 

 

 

DISP1

 

XXXXXXX

 

 

 

C28

 

 

1

S25020-24SMT

CAPACITOR,SMD,CERAMIC,1.0MF,25V,10% ,X7R,S1206

 

LED1

 

 

 

LED2

 

 

 

C46, C49

2

S13490-199

CAPACITOR,ALEL,220,25V,20%,LOW-ESR

 

 

 

 

 

 

 

 

C47

 

C69, C70, C73, C86,

1

S13490-179

CAPACITOR,ALEL,1000,35V,20%

 

X

S1

X

 

 

 

 

 

 

 

X

 

X

 

 

 

C54,

9

T11577-52K

CAPACITOR,CD,.0047/.005,1400V,20%

 

X

 

X

 

 

 

 

 

 

 

X

A1

X

 

 

 

C96,

C99, C101, C106

3

S13490-197

CAPACITOR,ALEL,82,35V,20%,LOW-ESR

 

 

 

 

 

 

 

 

LED6

 

 

 

C57, C61, C65

 

X XXX X

 

 

 

 

 

 

X

 

X

 

 

 

C67, C77

2

S25020-5SMT

CAPACITOR,SMD,CERAMIC,2700pF,50V,5%,X7R,S0805

 

LED3

 

 

 

 

 

XXXXX

 

 

 

 

C71, C72, C87, C88, C102

5

T11577-58K

CAPACITOR,CD,.0047,3000V,20%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C97

D2, D3, D5, D7, D8,

1

S13490-181

CAPACITOR,ALEL,22,63V,20%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1,

8

S25040-1SMT

DIODE,SMD,1A,400V,FAST RECOVERY,DO-214BA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D21,

D22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D4, D6, D16, D18, D19,

12

S25040-5SMT

DIODE,SMD,DUAL,0.200A,70V,UFR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D20, D28, D31, D32, D35,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D40,

D41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D9,

D10, D11, D12, D13,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D14,

D15, D17, D23, D29,

17

S25040-2SMT

DIODE,SMD,1A,400V,DO-214BA/AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D30, D33, D34, D36, D37,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D38, D39

4

S25040-10SMT

DIODE,SMD,3A,400V,D0-214AB

 

 

XXXXXX

 

 

 

XXXXXX

 

X XXXXXXR3

 

 

D24, D25, D26, D27

 

 

 

 

 

 

 

 

DISP1

1

S17395-11

LED,DISPLAY,7-SEGMENT,CC,3-DIGIT

 

 

 

 

 

 

 

 

DZ1, DZ8, DZ10

3

S25046-4SMT

ZENER DIODE,SMD,0.5W,12V,5%,SOD-123

 

 

X

R1

 

X

 

X

 

R2

X

X

 

DZ2, DZ3

2

S25046-3SMT

ZENER DIODE,SMD,0.5W,18V, 5%,SOD123

 

 

X

 

 

 

 

 

X

 

 

 

 

DZ4

 

 

1

S25046-1SMT

ZENER DIODE,SMD,0.5W,5.1V, 5%,SOD123

 

 

 

 

X

 

X

 

 

X

 

 

 

X

 

DZ5, DZ6

2

S25045-1SMT

ZENER DIODE,SMD,225mW,12V,5%,SOT-23

 

 

X

 

 

X

 

X

 

 

X

X

 

 

 

X

 

DZ7, DZ9

2

S25044-3SMT

ZENER DIODE,SMD,3W,12V,5%, SMB

 

 

 

 

 

 

 

 

 

 

 

J1

 

 

1

S24020-2G

CONNECTOR,MOLEX,MINI,PCB,2-PIN,GOLD

 

 

X

 

 

X

 

X

 

 

X

X

 

 

 

X

 

J2

 

 

1

S24020-8

CONNECTOR,MOLEX,MINI,PCB,8-PIN,TIN

LED4

 

X

 

 

 

 

 

 

 

 

N.C.

J3

 

 

1

S24020-12

CONNECTOR,MOLEX,MINI,PCB,12-PIN,TIN

 

 

X

 

X

XXXXX

X

X

 

X

J4

 

 

1

S24020-4

CONNECTOR,MOLEX,MINI,PCB,4-PIN,TIN

 

 

XXXXX

 

 

 

 

 

LED5

 

XXXXX

 

 

 

J5

 

 

1

S24020-6

CONNECTOR,MOLEX,MINI,PCB,6-PIN,TIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J6

 

 

1

S18248-4

CONNECTOR,MOLEX,MINI,PCB,4-PIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1, L2, L3, L4, L5

5

T12218-9

CHOKE,RF,390UH,5%, 225MA,CONFORMAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED1

1

T13657-2

LED,T-1,3/4,RED,HLMP-3003

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED2, LED6

2

T13657-14

LED,T-1,3/4,AMBER,HIGH-INTENSITY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED3, LED4, LED5

3

T13657-3

LED,T-1,3/4,GREEN,HLMP-3502

 

 

 

 

 

 

 

 

 

 

N.C.

 

 

 

 

 

 

LED7, LED8, LED9,

7

S25080-2SMT

LED,SMD,GREEN,CLEAR,S1206

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.E.

 

LED10, LED15, LED16,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.C., N.D., N.H. (3 PLACES)

 

 

 

 

 

 

LED11, LED12, LED13,

4

S25080-1SMT

LED,SMD,RED,CLEAR,S1206

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOV1

1

T13640-16

MOV,150VRMS,80J,20MM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOV2, MOV3, MOV4,

4

T13640-25

MOV,130VRMS,90J,20MM

 

 

 

 

 

 

 

OPPOSITECOMPONENTSIDE

 

 

 

 

 

 

MOV5

 

 

 

 

 

 

 

 

 

 

 

 

 

MOV6, MOV7, MOV8

3

T13640-18

MOV,320VRMS,150J,20MM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAPACITORS=MFD/ VOLTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESISTORS

=OHMS

NOTES:

N.A.

N.A.

THISDEVICEISSUBJECT TO DAMAGEBYSTATICELECTRICITY, SEEE2454 BEFORE

N.B.

HANDLING.

 

PROGRAM X1 WITHITEM 6.

 

N.C.

KEEPFREEOF ENCAPSULATIONMATERIAL.

 

N.D.

SEAL COMPONENT BYAPPLYING ITEM7 ASSHOWNSO THAT ENCAPSULATIONMATERIAL

 

N.E.

DOESNOT GETINSIDECOMPONENT.

 

KEEPFREEOF ENCAPSULATIONMATERIAL (.50 DIA. MIN.) ONBOTHSIDESOF BOARD.

 

N.F.

KEEPMOUNTING HOLESFREEOF ENCAPSULATIONMATERIAL (5 PLACES).

 

N.G.

COVERMOLEXWITHTAPE.

 

N.H.

HANDTIGHT MOUNTING WASHERANDMOUNTING NUT TO POTENTIOMETERBUSHING.

 

N.J.

WHENASSEMBLING DISPLAY, SPACEDISPLAYOFF THEBOARD.125+/- .010 MEASURED

 

N.K.

FROM BOTTOM OF DISPLAYTO PCBOARDSURFACE.

 

SQUEEZECOMPONENTSTOGETHERBEFOREENCAPSULATION.

 

N.L.

SEAL COMPONENT BASEWITHITEM 8.

 

 

OCI1

 

 

1

 

S15000-34SMT

 

IC,SMD,OPTOCOUPLER,HMA124

 

 

 

 

 

 

 

 

 

OCI2,

OCI3, OCI4, OCI5

4

 

S15000-16

 

OPTOCOUPLER,TRIAC,DRIVER,ZVC,3083

 

 

 

Q1, Q6

2

 

S25051-11SMT

 

TRANSISTOR,SMD,NMF,DPAK,TO-252,48A,100V(SS)

 

 

 

Q3, Q5, Q7, Q9, Q10,

12

 

S25050-1SMT

 

TRANSISTOR,SMD,NPN,0.5A,40V,SOT-23,MMBT4401LT1

 

 

 

Q12,

Q13, Q15, Q16,

 

 

 

 

 

Q17, Q18

 

 

 

 

 

 

 

 

Q4, Q8, Q11, Q14

4

 

S25050-2SMT

 

TRANSISTOR,SMD,PNP,SOT23,0.5A, 40V,MMBT4403LT1

 

 

 

R1, R2, R3

3

 

T10812-116

 

POT,SINGLE-TURN,0.25W,10K,10%

 

 

 

R4, R49, R50, R68, R69,

12

 

S25000-1002SMT

 

RESISTOR,SMD,METAL FILM,1/10W,10.0K,1%,S0805

 

 

 

R72, R107, R122, R132,

 

 

 

 

 

R162, R184, R200

 

 

 

 

 

 

 

 

R5

 

 

1

 

S25000-1301SMT

 

RESISTOR,SMD,METAL FILM,1/10W,1.30K,1%,S0805

 

 

 

R6

 

 

1

 

S25000-1500SMT

 

RESISTOR,SMD,METAL FILM,1/10W,150OHMS,1%,S0805

 

 

 

R7, R9, R111, R112,

 

 

 

 

 

 

 

 

R113,

R135, R143, R145,

18

 

S25001-1001SMT

 

RESISTOR,SMD,1K,1/4W,1206,1%,TR

 

 

 

R147, R149, R172, R173,

 

 

 

 

 

R174,

R178, R191, R196,

 

 

 

 

 

 

 

 

R197, R198

 

 

 

 

 

 

 

 

R8, R34, R203

3

 

S25000-6812SMT

 

RESISTOR,SMD,METAL FILM,1/10W,68.1K,1%,S0805

 

 

 

R10, R11, R52, R53, R90,

8

 

S25004-1R00SMT

 

RESISTOR,SMD,1W,1.00OHMS,1%

 

 

 

R91, R103, R104

 

 

 

 

 

R12, R13, R14, R15, R26,

 

 

 

 

 

 

 

 

R27, R28, R29, R42, R43,

16

 

S25003-1210SMT

 

RESISTOR,SMD,1W,121OHMS,1%

 

 

 

R44, R45, R55, R56, R57,

 

 

 

 

 

R58

 

 

 

 

 

 

 

 

 

 

R16,

R17, R30, R31, R32,

 

 

 

 

 

 

 

 

R51, R60, R61, R92,

15

 

S25000-1001SMT

 

RESISTOR,SMD,METAL FILM,1/10W,1.00K,1%,S0805

 

 

 

R167,

R194, R195, R208,

 

 

 

 

 

R212, R215

 

 

 

 

 

 

 

 

R18

 

 

1

 

S25000-5622SMT

 

RESISTOR,SMD,METAL FILM,1/10W,56.2K,1%,S0805

 

 

 

R19, R64, R157, R160,

10

 

S25001-47R5SMT

 

RESISTOR,SMD,47.5OHMS,1/4W,1206,1%,TR

 

 

 

R165, R170, R217, R218,

 

 

 

 

 

R219, R220

 

 

 

 

 

 

 

 

R20, R36, R41, R54

4

 

S25003-15R0SMT

 

RESISTOR,SMD,1W,15.0OHMS,1%

 

 

 

R21

 

 

1

 

S25000-7681SMT

 

RESISTOR,SMD,METAL FILM,1/10W,7.68K,1%,S0805

 

 

 

R22

 

 

1

 

S25000-4752SMT

 

RESISTOR,SMD,METAL FILM,1/10W,47.5K,1%,S0805

 

 

 

R23, R79

2

 

S25000-2213SMT

 

RESISTOR,SMD,METAL FILM,1/10W,221K,1%,S0805

 

 

 

R24

 

 

1

 

S25001-2210SMT

 

RESISTOR,SMD,221OHMS,1/4W,1206,1%,TR

 

 

 

R25, R75

2

 

S25006-10R0SMT

 

RESISTOR,SMD,METAL FILM,1/2W,10OHMS,1%,S2010

 

 

 

R33, R38

2

 

S25008-1002SMT

 

RESISTOR,SMD,PREC,MF,1/10W,10.0K,0.5%,S0805

 

 

 

R35, R84, R108, R109,

6

 

S25001-1000SMT

 

RESISTOR,SMD,100OHMS,1/4W,1206,1%,TR

 

 

 

R139, R166

 

 

 

 

 

R37, R85, R106

3

 

S25000-3322SMT

 

RESISTOR,SMD,METAL FILM,1/10W,33.2K,1%,S0805

 

 

 

R39, R81, R82, R98,

 

 

 

 

 

 

 

 

R128, R131, R177, R182,

13

 

S25000-4751SMT

 

RESISTOR,SMD,METAL FILM,1/10W,4.75K,1%,S0805

 

 

 

R185, R187, R188, R210,

 

 

 

 

 

R211

 

 

 

 

 

 

 

 

 

 

R40, R46, R47, R73, R74,

14

 

S25001-4751SMT

 

RESISTOR,SMD,4.75K,1/4W,1206,1%,TR

 

 

 

R76, R77, R86, R96, R97,

 

 

 

 

 

R141, R142, R179, R180

 

 

 

 

 

 

 

 

R48, R199, R209, R213,

5

 

S25000-2210SMT

 

RESISTOR,SMD,METAL FILM,1/10W,221OHMS,1%,S0805

 

 

 

R214

 

 

 

 

 

 

 

R59, R136

2

 

S25000-4750SMT

 

RESISTOR,SMD,METAL FILM,1/10W,475OHMS,1%,S0805

 

 

 

R62

 

 

1

 

S25000-1000SMT

 

RESISTOR,SMD,METAL FILM,1/10W,100OHMS,1%,S0805

 

 

 

R63, R120

2

 

S25000-8251SMT

 

RESISTOR,SMD,METAL FILM,1/10W,8.25K,1%,S0805

 

 

 

R65, R66, R94, R95,

6

 

S25008-4751SMT

 

RESISTOR,SMD,PREC,MF,1/10W,4.75K,0.5%,S0805

 

 

 

R130, R137

 

 

 

 

 

R67

 

 

1

 

S25000-1003SMT

 

RESISTOR,SMD,METAL FILM,1/10W,100K,1%,S0805

 

 

 

R70,

R117, R119, R121,

6

 

S25000-3321SMT

 

RESISTOR,SMD,METAL FILM,1/10W,3.32K,1%,S0805

 

 

 

R202, R204

 

 

 

 

 

R71

 

 

1

 

S25000-1004SMT

 

RESISTOR,SMD,METAL FILM,1/10W,1.00M,1%,S0805

 

 

 

R78

 

 

1

 

S25001-1002SMT

 

RESISTOR,SMD,10K,1/4W,1206,1%,TR

 

 

 

R80, R83, R216

3

 

S25000-1212SMT

 

RESISTOR,SMD,METAL FILM,1/10W,12.1K,1%,S0805

 

 

 

R87, R88, R89, R99,

10

 

S25000-47R5SMT

 

RESISTOR,SMD,METAL FILM,1/10W,47.5OHMS,1%,S0805

 

 

 

R100, R101, R102, R205,

 

 

 

 

 

R206, R207

 

 

 

 

 

 

 

 

R93

 

 

1

 

S25000-2671SMT

 

RESISTOR,SMD,METAL FILM,1/10W,2.67K,1%,S0805

 

 

 

R105, R110

2

 

S25003-47R5SMT

 

RESISTOR,SMD,1W,47.5OHMS,1%

 

 

 

R114

 

 

1

 

S25000-6811SMT

 

RESISTOR,SMD,METAL FILM,1/10W,6.81K,1%,S0805

 

 

 

R115

 

 

1

 

S25000-2212SMT

 

RESISTOR,SMD,METAL FILM,1/10W,22.1K,1%,S0805

 

 

 

R116, R153, R154

3

 

S25003-2002SMT

 

RESISTOR,SMD,1W,20.0K,1%

 

 

 

R118

 

 

1

 

S25001-4752SMT

 

RESISTOR,SMD,47.5K,1/4W,1206,1%,TR

 

 

 

R123,

R133

2

 

S25000-2211SMT

 

RESISTOR,SMD,METAL FILM,1/10W,2.21K,1%,S0805

 

 

 

R124,

R125, R127, R171,

6

 

S25003-2000SMT

 

RESISTOR,SMD,1W,200OHMS,1%

 

 

 

R181, R189

 

 

 

 

 

R126, R138

2

 

S25001-1213SMT

 

RESISTOR,SMD,121K,1/4W,1206,1%,TR

 

 

 

R129

 

 

1

 

S25000-2001SMT

 

RESISTOR,SMD,METAL FILM,1/10W,2.00K,1%,S0805

 

 

 

R134

 

 

1

 

S25000-6813SMT

 

RESISTOR,SMD,METAL FILM,1/10W,681K,1%,S0805

 

 

 

R140

 

 

1

 

S25000-3323SMT

 

RESISTOR,SMD,METAL FILM,1/10W,332K,1%,S0805

 

 

 

R144, R146, R148, R150,

8

 

S25001-2670SMT

 

RESISTOR,SMD,267OHMS,1/4W,1206,1%,TR

 

 

 

R186, R190, R192, R193

 

 

 

 

 

R151, R152, R155, R156,

12

 

S25001-1821SMT

 

RESISTOR,SMD,1.82K,1/4W,1206,1%,TR

 

 

 

R158, R159, R163, R164,

 

 

 

 

 

R168, R169, R175, R176

 

 

 

 

 

 

 

 

R161

 

 

1

 

S25001-7500SMT

 

RESISTOR,SMD,750OHMS,1/4W,1206,1%,TR

 

 

 

R183

 

 

1

 

S25000-1502SMT

 

RESISTOR,SMD,METAL FILM,1/10W,15.0K,1%,S0805

 

 

 

R201

 

 

1

 

S25001-2211SMT

 

RESISTOR,SMD,2.21K,1/4W,1206,1%,TR

 

 

 

S1

 

 

1

 

T13381-16

 

SWITCH,PUSHBUTTON,SPST

 

 

 

T1, T2

 

2

 

T12737-2

 

TRANSFORMER,PULSE,3-WINDING,1:1:1

 

 

 

TRI1, TRI2, TRI3, TRI4

4

 

S15161-27

 

TRIAC,TO220,8A,800V

 

 

 

X1

 

 

1

 

S25073-12SMT

 

IC,SMD,CMOS,PSOC,8-BIT,CY8C27643,TFN49(SS)

 

 

 

X2

 

 

1

 

S15128-27SMT

 

IC,OP-AMP,SINGLE,PRECISION,LT1097S8

 

 

 

X3, X4, X14

3

 

S15128-28SMT

 

IC,OP-AMP,SMT,QUAD,HIGH-PERF,33074ADT

 

 

 

X5

 

 

1

 

S15128-6

 

IC,VOLT REG,FIXED,3-T,(+),1A,15V,TO220

 

 

 

X6

 

 

1

 

S15128-10SMT

 

IC,SMD,VOLTAGE REF,ADJ, PRECISION,431I,SOIC-8

 

 

 

X7

 

 

1

 

M15102-4SMT

 

IC,SMD,ARRAY,DRIVER,PERIPHERAL,NPN,DARLINGTON

 

 

 

X8

 

 

1

 

S15128-5SMT

 

IC,VOLT REG,SMD,FIXED,3-T,(+),1A,5V

 

 

 

X9

 

 

1

 

S25072-2SMT

 

IC,SMD,ACT,BUFFER,OCTAL,3-STATE,TSSOP-20(SS)

 

 

 

X10

 

 

1

 

S15018-21SMT

 

IC,SMD,CMOS,DRIVER,MOSFET,4451, SOIC-8(SS)

 

 

 

X11

 

 

1

 

S17900-24SMT

 

IC,SMD,CMOS,GATE,NAND,2-INPUT,QUAD,SCHM(SS)

 

 

 

X12

 

 

1

 

S25065-3SMT

 

IC,SMD,CMOS,INVERTER,SCHMITT,HEX,VHC14(SS)

 

 

 

X13

 

 

1

 

S15018-11SMT

 

IC,SMD,CMOS,SWITCH,ANALOG,QUAD,201(SS)

 

 

ALLCOMPONENTSANDMATERIALSUSEDINTHIS

ASSEMBLYARETO BERoHSCOMPLIANTPERE4253

 

 

PROPRIETARY & CONFIDENTIAL:THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED

 

 

 

 

 

MANUFACTURING TOLERANCE PER E2056

 

TO OTHER PARTIES OR USED FOR ANY PURPOS WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.

 

 

 

 

 

DRAWN BY:

ddietz

1:1.25

EQUIPMENT TYPE:

 

PRECISION TIG 185/225

 

 

 

DOCUMENT

 

 

ON 3 PLACE DECIMALS IS ± .002 in. (± 0.05 mm)

 

 

 

 

 

 

UNLESS OTHERWISE SPECIFIED TOLERANCE:

CONTROL: CLEVELAND

SCALE:

 

 

 

 

 

 

 

 

PAGE 2

2

 

 

 

ON 2 PLACE DECIMALS IS ± .02 in. (± 0.5 mm)

 

 

@ A1 SIZE

SUBJECT:

CONTROL PC BOARD ASSEMBLY

 

 

 

MATERIAL TOLERANCE ("t") TO AGREE

ENGINEER:

TrangNguyen

NUMBER:

 

 

REVISION:

EN-170

 

ON ALL ANGLES IS ± .5 OF A DEGREE

 

 

IF PRINTED

 

 

 

 

 

 

 

 

DOCUMENT

 

 

A SOLIDEDGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WITH PUBLISHED STANDARDS.

 

 

UNITS:

MATERIAL

 

APPROVAL

 

 

PROJECT

 

REFERENCE:

G5641-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DO NOT SCALE THIS DRAWING

APPROVED:

-

INCH

DISPOSITION: UF

 

DATE:

2/15/2008

NUMBER: CRM36266

 

G4551-1

 

 

 

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-

 

 

 

Insight

 

 

 

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 103 Page 105
Image 104
Page 103 Page 105
Contents Precision TIG ISAFETYi Safety Fumes and GasesPowered equipment For ElectricallyPrécautions DE Sûreté Sûreté Pour Soudage a LʼArcElectromagnetic Compatibility EMC Safety Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Input Single Phase onlyModel Height Width Depth Weight K2533-2 Input at Rated OutputSafety Precautions Select Suitable Location MountingLifting and Moving TiltingInput and Grounding Connections Input Reconnect Procedure Return Section TOCConnections for TIG Gtaw Welding Connections for Stick Smaw WeldingPrecision TIG Table of Contents Operation Section Operation Product Description Recommended Processes and EQUIP- MentFigure B.1 Control Panel Control FunctionalityPOWER-UP Sequence Case Rear Components Machine Rating PlatePulse TIG Control Welding in TIG ModeOperating Steps Operation Welding in Stick Mode Turn the power switch to onPrecision TIG Table of Contents Accessories Section Table C.1 AccessoriesStandard Equipment Packages Factory Installed Options Table C.2Field Installed Options K2348-1 Under-Storage CartTable of Contents Maintenance Section Maintenance Safety PrecautionsRoutine and Periodic Maintenance Spark GAP Adjustment1TABLE of CONTENTS-THEORY of Operation Section E-1 General Description Input Power CircuitTheory of Operation Output Rectification Feedback Control ProtectedHigh Voltage / High Frequency Circuit Figure E.2 High Voltage/High Frequency CircuitDC Welding Output Figure E.5 DC Welding Current GenerationAC Welding Output Figure E.6 AC Square Wave Welding Current GenerationSCR Operation Figure E.7 SCR OperationProtective Circuits Thermal ProtectionOverload Protection VAC Receptacle1TABLE of Contents Troubleshooting and Repair F-1 Troubleshooting and Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures WorkstationsPerform the T1 Transformer Amptrol is depressed Troubleshooting and Repair Perform the SCR Bridge Test Recommended Course of Action Problems SymptomsPossible Areas Misadjustments Troubleshooting and Repair Troubleshooting and Repair Problems Symptoms Electric Shock can Perform the SCR Bridge Test Stick electrode Blasts Off when Weld current may be set too Materials Needed High Frequency Circuit Disable ProcedureTest Description Procedure Figure F.1 Spark GAP AssemblyT1 Transformer Test T1 Transformer Test Primary Windings Primary Voltages Precision TIG Static SCR Test Test Procedure Precision TIG 225 ControlCase Cover Removal and Replacement Procedure Precision TIG Active SCR Test Active SCR Test Figure F.6 SCR Gate Locations Precision TIG Normal Open Circuit Voltage Waveform AC TIG Mode Scope SettingsNormal Open Circuit Voltage Waveform DC TIG Mode Normal Open Circuit Voltage Waveform AC Stick Mode Normal Open Circuit Voltage Waveform DC Stick Mode Machine Loaded to 180 Amps AT 16VDC AC TIG ModeTypical Output Voltage Waveform Machine Loaded DC TIG Mode AC Stick Mode Machine Loaded to 180 Amps AT 26VDCDC Stick Mode Troubleshooting and Repair Precision TIG SCR Bridge Assembly Removal and Replacement Procedure SCR Bridge Assembly Figure F.7 Case Back Mounting ScrewsProcedure Plug J2 Removed Replacement Procedure Precision TIG Polarity Switch Removal and Replacement Procedure Polarity Switch Removal ProcedureReplacement Procedure Precision TIG High Voltage Transformer Removal and Replacement Procedure High Voltage Transformer Transformer Secondary LeadsFigure F.12 High Voltage Transformer Mounting Insulators Precision TIG 53F-53 Perform the SCR Bridge Assembly Replacement Procedure Recommended Meters for Machine Output Tests Retest After RepairInput Idle Amps Precision TIG Table of Contents Diagram Section Electrical Diagrams Schematic Complete Machine ALL Codes G5647 Schematic Control PC Board #1 G5640 Schematic Control PC Board #2 G5640 Schematic Control PC Board #3 G5640 PC Board Assembly Control #1 G5641 PC Board Assembly Control #2 G5641 1B0-S22530 PC Board Assembly Bypass L10121

SVM186-A specifications

The Lincoln Electric SVM186-A is a versatile and highly efficient welding machine that stands out in the competitive landscape of industrial welding equipment. Designed to meet the needs of both professionals and hobbyists, this machine combines advanced technology with robust construction, delivering outstanding performance in various welding applications.

One of the standout features of the SVM186-A is its multi-process capability. This welding machine can handle MIG, TIG, and Stick welding processes, making it suitable for a diverse range of projects, from light fabrication to heavy-duty work. This flexibility reduces the need for multiple machines, saving time and space for users who require versatility in their welding operations.

The SVM186-A is powered by a reliable and durable inverter technology, which ensures a stable arc and efficient operation across different materials, including stainless steel, aluminum, and mild steel. This inverter technology not only enhances performance but also reduces energy consumption, making it an environmentally friendly choice.

Another notable characteristic of the SVM186-A is its user-friendly interface. The digital display provides real-time information on voltage and wire feed speed, allowing welders to easily adjust settings for optimal results. This intuitive control panel design makes it accessible for both novice welders and seasoned professionals who value precision.

The machine is also built with safety features in mind. It comes equipped with overcurrent protection and thermal overload protection to prevent damage during operation. This ensures that users can work confidently, knowing that the equipment is designed to handle demanding tasks while prioritizing safety.

Portability is another advantage of the SVM186-A. Weighing in at a relatively light weight compared to other industrial welders, this machine is designed for ease of transport. Whether working on-site or in a workshop, welders can easily move the equipment as needed.

In summary, the Lincoln Electric SVM186-A is a sophisticated welding machine that merges technology and practicality. Its multi-process capability, inverter technology, user-friendly interface, safety features, and portability make it a top choice for those seeking dependable and efficient welding solutions. Whether for professional fabrication or personal projects, the SVM186-A is equipped to handle the demands of modern welding tasks with exceptional ease and effectiveness.
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