NOTE: LincolnElectric 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-videdfor 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 themachine.
ELECTRICAL DIAGRAMS G-38
RANGER 305D

PC BOARD ASSEMBLY- CHOPPER PC BD - ALL CODES (L11845-1)

L11845-1
ENGINEWELDERSCHOPPERHEATSINKPCBOARDASSEMBLY1:2L11497-1SWBBAM-UNLESSOTHERWISESPECIFIEDTOLERANCEMANUFACTURINGTOLERANCEPERE2056ON2PLACEDECIMALSIS±.02ON3PLACEDECIMALSIS±.002ONALLANGLESIS±.5OFADEGREEWITHPUBLISHEDSTANDARDS.MATERIALTOLERANCE("") TOAGREEtDONOTSCALETHISDRAWINGDRAWNBY:DESIGNINFORMATIONENGINEER:APPROVED:REFERENCE:EQUIPMENTTYPE:SUBJECT:SCALE:
L11845-1
MATERIALDISPOSITION:APPROVALDATE:PROJECTNUMBER:UFCRM34991-E1PAGE___OF___1ENGINEERINGCONTROLLEDMANUFACTURER:NoDOCUMENTNUMBER:DOCUMENTREVISION:THISDOCUMENTCONTAINSPROPRIETARYINFORMATIONOWNEDBYLINCOLNGLOBAL,INC.ANDMAYNOTBEDUPLICATED,COMMUNICATEDTOOTHERPARTIESORUSEDFORANYPURPOSEWITHOUTTHEEXPRESSWRITTENPERMISSIONOFLINCOLNGLOBAL,INC.PROPRIETARY&CONFIDENTIAL:
H
2/24/2005ITEM7,REVISEDSCREWSCHANGEDETAIL:SOLIDEDGESTRP
3
4
1
13
N.H.

CHOPPERP. C. BOARDASSEMBLYDETAIL

A2L118 45-1300 CHOPPERA1B4
R25
R23
R24
R26 R22
R21
R20
R19
R6 R8 R7R9
R2
R3 R4R5
X1
D5
D6
C2
OCI1
R18
R1
R17
DZ1
DZ2
R14
R15
R16
B5B3 B6B1B2
DZ3
C14
Q1
Q2
R11
R12
R13
R31
R28
R27
R30
R29
B7 B8
X2
R38
R39
R40
R41
R42
R36
R37
C18
C19
C22
D11
R47
R35
R48
R34
R49
X3
R33
D9
L1
D10
R32
FTP1
FTP2
DZ6
C17
R50
C23
LED1
R51
R52
Q4
LED2
R53
R54
Q5
LED3
DZ7
DZ8
C1
C21
C11C10C8C9
D7
Q3
C13
C15
C7
C20
C16
C4 C5
C6 C3
D1
D12
ISOVIEWREFERENCEONLYL 1 1 8 4 5 - 1 M 0MAKEPER E1911 AND E3875.TESTPER E3966-CHSCHEMATICREFERENCE: M19 792-1M0PARTNUMBER IDENTIFICATIONCODEMANUFACTUREAS:

COMPLETED CHOPPER HEAT SINK ASSEMBLY

13N.H.13N.E.N.F.57N.G.9NOTES:N.A. CAUTION:THIS DEVICE IS SUBJECT TO DAMAGE BY STATIC ELECTRICITY.SEEE2454BEFORE HANDLING.N.B. AFTER SOLDERING, INSPECT TERMINAL CONNECTIONS PER E1880 (6 PLACES).N.C. THESE COMPONENTS ON A COMMON P.C. BOARDAR ETO BE SUPPLIED BY THE SAME VENDOR.N.D. ELECTRONIC MODULES ON A COMMON P.C. BOARD ASSEMBLYTO HAVE SAME VENDOR CODE ANDSAMEVCE(SAT) FOR TRANSISTORS. VGE(TH) IS TO BE WITHIN 5 SORT CODES FORIGBTs.DIODESARE TO HAVE THESAME VENDOR CODE AND SORT CODE. SEE MANUFACTURINGINFORMATIONTODETERMINE CODES.N.E. M ODULEI DENTIFICATIONLABELS TO BE PLACED IN THIS AREA.N.F. ENCAPSULATETO WITHIN .10 OF TRAY TOP.N.G. TOP SURFACES AND THREADS (WITHIN .63 FROM TOP SURFACE) TO BE FREE OF ENCAPSULATINGMATERIAL(6 TERMINALS).N.H. PRINT "L11845-[ ]" [LATEST DASH NUMBER AND I.D. CODE].ONE LABELTO CO VERBLANK NUMBERONBOARDA ND ONE LABELTO BE ON POTTING TRAY.N.J. THIS ASSEMBLY IS NOT ESD AFTER POTTING.CURRENTPRODUCTIONUSES LATEST DASH NUMBER, ALL PREVIOUS DASH NUMBERS ARE SUPERSEDED.UNLESSOTHERWISESPECIFIED:CAPACITANCE =MFD/VOLTSINDUCTANCE =HENRIESRESISTANCE =O HMSN.B.ITEM REQ'D PART No. DESCRIPTION11 L11613-M P.C. BOARD BLANK231 CL012867 W-18-3-10-167/B741 CL012868 W-18-3-133-167/B851 M19780 HEATSINK4 S25930-6 TORXBUTTONHEAD SCREW4 E106A-2 LOCKWASHER4 S25792 C LAMP WASHER81 S25346-3 GASKET91 M19436-7 POTTING T RAY10 280g. E2527 EPOXYENCAPSULATINGRESIN12 2 S25347 T HERMAL INTERFACE PAD13 4 E3768-4 LABEL7
REFERENCE QTYPART NO. DESCRIPTION
N.A.,N.D.A1, A2 2 M16100-56 MODULE,4-IGBT(T12704-99S],3-DIODE(T12705-61)SS
N.B.B1, B2, B3, B4, B5, B6 6 S23006-1 CONNECTOR,TERMINAL,POWER,6-PIN
C1 1 S13490-206 CAPACITOR,ALEL,68,63V,20%,LOW-ESR
C2 1 S13490-173 CAPACITOR,PEMF,1.0,63V,10%
C3,C4,C5, C6, C7,
C13,C15,C16, C20 9 S16668-11 CAPACITOR,CEMO,0.1,50V,10%
N.C.C8, C9,C10, C11 4 S13490-215 CAPACITOR,ALEL,10000,100V,20%
C14,C23 2 S16668-5 CAPACITOR,CEMO,.022,50V,20%
C17,C18,C19 3 S16668-6 CAPACITOR,CEMO,4700p,50V,10%
C21 1S 13490-181 CAP,ALEL,22,63V,20%
C22 1S 16668-8 CAPACITOR,CEMO,330p,100V,5%
D1,D12 2 T12199-1 DIODE,AXLDS,1A,400V
D5,D6,D11 3 T12705-23 DIODE,SCHOTTKY,AXLDS,1A,30V,1N5818
D7 1 T12705-61 DIODE,T247,70A,600V,ULTRA-FAST
D9,D10 2 T12705-59 DIODE,AXLDS,3A,600V,UFR
DZ1 1T12702-52 ZENERDIODE,1W,5.1V,5% 1N4733A
DZ2 1T12702-27 ZENERDIODE,1W,10V,5% 1N4740A
DZ3 1T12702-25 ZENERDIODE,5W,20V,5%1N5357B
DZ6 1T12702-45 ZENERDIODE,1W,18V,5% 1N4746A
DZ7,DZ8 2 T12702-38 ZENERDIODE,1W,30V,5%1N4751A
FTP1,FTP2 2 TESTPT_FUNTION FUNCTIONALTESTPOINT
L1 1 T12218-12 CHOKE,1.0MH,15%,0.8A,SLEEVED
LED1,LED2,LED3 3 T13657-3 LED,T-1,3/4,GREEN,HLMP-3502
OCI1 1 S15000-28 OPTOCOUPLER,TTL-OUT,HI-SPD,HI-CMR
Q1,Q2,Q4, Q5 4 T12704-68 TRANSISTOR,NPN,TO226,0.5A,40V,2N4401
N.A.Q3 1 T12704-72 TRANSISTOR,NMF,T220,8A,500V,IRF840(SS)
R1,R18 2 S19400-1001 RESISTOR,MF,1/4W,1.00K, 1%
R2,R3,R4, R5, R6, R7,
R8,R9 8 S19400-10R0 RESISTOR,MF,1/4W,10.0,1%
R11,R13 2 S19400-4752 RESISTOR,MF,1/4W,47.5K,1%
R12,R31 2 S19400-1002 RESISTOR,MF,1/4W,10.0K,1%
R14,R15 2 S19400-4751 RESISTOR,MF,1/4W,4.75K,1%
R16 1S 19400-5620 RESISTOR,MF,1/4W,562,1%
R17 1S 19400-4750 RESISTOR,MF,1/4W,475,1%
R19,R20,R21, R22,
R23,R24,R25, R26,
R27,R28,R29, R30,
R52,R54
14 S19400-4422 RESISTOR,MF,1/4W,44.2K,1%
R32 1S 19400-47R5 RESISTOR,MF,1/4W,47.5,1%
R33 1S 19400-1000 RESISTOR,MF,1/4W,100,1%
R34 1S 19400-2671 RESISTOR,MF,1/4W,2.67K,1%
R35 1S 19400-1502 RESISTOR,MF,1/4W,15.0K,1%
R36 1S 19400-2213 RESISTOR,MF,1/4W,221K,1%
R37 1S 19400-1821 RESISTOR,MF,1/4W,1.82K,1%
R38,R39,R40, R41,
R42 5 S19400-6812 RESISTOR,MF,1/4W,68.1K,1%
R47 1S 19400-1003 RESISTOR,MF,1/4W,100K,1%
R48 1S 19400-2210 RESISTOR,MF,1/4W,221,1%
R49 1S 19400-3322 RESISTOR,MF,1/4W,33.2K,1%
R50 1S 25923-3301 RESISTOR,STAND-UP,MF,5W,3.3K,5%
R51,R53 2 S19400-1211 RESISTOR,MF,1/4W,1.21K,1%
N.A.X1 1 S15018-21 IC,CMOS,DRIVER,MOSFET,4451(SS)
X2 1 M15458-4 IC,PWM-CONTROLLER,IMODE,2842A
N.A.X3 1 S15018-16 IC,CMOS,DRIVER,MOSFET,2110(SS)

G-38

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