Pc Board Assembly - Chopper Pc Board - Lincoln Electric COMMANDER SVM153-A Service Manual

G-7

PC BOARD ASSEMBLY - CHOPPER PC BOARD

COMPONENT SIDE CIRCUITRY
R1
B1
B7
B2
B3
Q1
C2
C5
0
0
~.04
5.75
1
4.55
1.75
N.C.
2.80
.475
0
0
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.
ELECTRICAL DIAGRAMS
OPPOSITE COMPONENT SIDE CIRCUITRY OPPOSITE COMPONENT SIDE CIRCUITRY
OPPOSITE COMPONENT SIDE CIRCUITRY
C
L11315-1 300 CHOPPER
B RA B RA
X1
A1
MAKE FROM S19399
(MAKES 6 BOARDS)
NOTE: FOR BLANK SHEARING TOLERANCE SEE P.C. BOARD ASSEMBLY.
BLANK PART NO. L11315-B
7 6 N.C.
.490~.005
(RESTRAINED)
C6 300 ˇ
L11315-1 300 300 CHOPPER
N.J.
N.G.
N.J.
N.D.
N.C.
1.425
.075 ~.04
6.00
1.012 1.575
~.02
3.60 MAKE PER E1911
3.78
ENCAPSULATE WITH E1844 (1 COAT)
2.21
TEST PER E3846-CH
ITEM
A2
N.A.
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS
0
0
ITEM PART NO.
REQ'D
1 1 L11315-B
N.A., N.H.
2 M16100-39
2
3 4 T9147-15
4 4 T9147-11
2.0 OZ. E2861
5
6 2 S20590-1
7 1 S18250-542
N.E., N.F.
NOTES :
4
3
N.A. CAUTION: THIS DEVICE IS SUBJECT TO DAMAGE BY STATIC
ELECTRICITY. SEE E2454 BEFORE HANDLING.
.275
R .045 N.C. THESE AREAS TO BE COVERED ON BOTH SIDES OF BOARD WITH
.285
SEALANT PRIOR TO ENCAPSULATION.
MAX.
.105
N.D. INJECT SEALANT ITEM 5 THROUGH THE PC BOARD HOLES
CRIMP HEIGHT
(10 HOLES) TO SEAL MODULE LEADS. CAVITY BETWEEN BOARD
2
OPPOSITE
AND MODULE TO BE COMPLETELY FILLED WITH ITEM 5 SEALANT
SIDE
N.K.
MATERIAL AS PER APPROPRIATE MANUFACTURING WORK INSTRUCTIONS.
COVER ALL MODULE LEADS THAT PROTRUDE FROM THE NON-MODULE
EYELET DETAIL
SIDE OF THE BOARD WITH ITEM 5 SEALANT.
N.E. FEMALE EYELET TO BE AGAINST THE OPPOSITE COMPONENT SIDE AS
SHOWN. EYELET MUST NOT SPIN AFTER CLINCHING.
N.F. SOLDER EYELET SO THAT SOLDER COVERS ENTIRE EYELET AND ALL
AROUND EYELET ON OPPOSITE COMPONENT SIDE ONLY. NO ICICLES OR
SOLDER BLOBS PERMITTED.
MANUFACTURED AS:
N.G. DO NOT COVER OVER COMPONENT C5 WITH SEALANT.
PLACE SEALANT ALONG SIDE AND UNDER COMPONENTS.
L11315-1B0
N.H. ELECTRONIC MODULES ON A COMMON P.C. BOARD ASSEMBLY TO HAVE
VGE(TH) WITHIN 5 SORT CODES (0.5VSPAN) FOR THE SAME VCE(SAT) CODE
IDENTIFICATION CODE
AND MANUFACTURING CODE.
N.J. THIS DIMENSION APPLIES TO TWO OF THE FOUR EYELETS
N.K. ELECTRONIC MODULES TO BE ASSEMBLED AND ENCAPSULATD PER E3875.
e.g. M16100-39 X XX XX ........
VENDOR CODE
VCE(SAT)
VGE(TH)
REQ'D PART NO. IDENTIFICATION
FOR PARTS ORDERS:
INCLUDE (1) L11167 PRINT
AND (1) T12837-1
IDENTIFICATION
1
P.C. BOARD BLANK
ELECTRONIC MODULE
EYELETS (MALE)
EYELETS (FEMALE)
SEALANT
HEAT SINK
PLUG & LEAD ASSEMBLY
CAD
G-7
COMMANDER 500