Lincoln Electric SQUARE WAVE TIG 355 Service Manual page 152

G-6
SChEmaTiC - prOTECTiON pC bOarD (m16115)
ELECTriCaL DiaGramS
1
2
J23
3
J23
4
J23
5
J23
7
J23
8
NOTES :
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
NUMBER.
UNLESS OTHERWISE SPECIFIED TOLERANCE
THIS SHEET CONTAINS PROPRIETARY INFORMATION
ON HOLE SIZES PER E2056
THE LINCOLN ELECTRIC CO.
OWNED BY AND IS
ON 2 PLACE DECIMALS IS .02
NOT TO BE REPRODUCED, DISCLOSED OR USED
ON 3 PLACE DECIMALS IS .002
WITHOUT THE EXPRESS PERMISSION OF
ON ALL ANGLES IS .5 OF A DEGREE
MATERIAL TOLERANCE (" ") TO AGREE t
THE LINCOLN ELECTRIC CO.
WITH PUBLISHED STANDARDS.
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
L4
J23
J22
5
.39mH
C4
.0047
3000V
L5
J23
J22
4
.39mH
C5
.0047
3000V
L1
J22
1
.39mH
C1
.0047
3000V
L2
J22
2
.39mH
C2
.0047
3000V
L6
J22
6
.39mH
C6
.0047
3000V
L3
J22
3
.39mH
C3
.0047
3000V
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
CAPACITORS =
RESISTORS = Ohms (
DIODES =
THE LINCOLN ELECTRIC CO.
5‐29‐90SPA
CLEVELAND, OHIO U.S.A.
DR MK/DRS
MFD ( .022/50V UNLESS OTHERWISE SPECIFIED)
LABELS
1/4W UNLESS OTHERWISE SPECIFIED)
1A, 400V (UNLESS OTHERWISE SPECIFIED)
EQUIP.
SQARE WAVE TIG 350
TYPE
PROTECTION P.C. BOARD SCHEMATIC
SUBJECT
SCALE NONE
DATE 1‐12‐90 CHK GM/BS REF. SUP'S'D'G
G-6
LAST NO. USED
R‐ _
C‐ _
D‐ _
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
EARTH GROUND CONNECTION
M
SHT.
16115
NO.
SQUarE WaVE TiG 355