Lincoln Electric PRECISION TIG 375 Service Manual page 135

G-23
SCHEMATIC-BYPASS AND CE P. C. BOARD (S24206) (CODE 10894)
THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY
NOTES :
N.A. SINCE COMPONENTS OR CIRCUITRY ON
CIRCUIT BOARD MAY CHANGE
THE INTERCHANGEABILITY
THIS DIAGRAM MAY NOT
OR CIRCUITRY OF CONTROLS HAVING A COMMON
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON HOLES SIZES PER E-2056
ON 2 PLACE DECIMALS IS + .O2
ON 3 PLACE DECIMALS IS + .OO2
ON ALL ANGLES IS + .5 OF A DEGREE
MATERIAL TOLERANCE ("t") TO AGREE
WITH PUBLISHED STANDARDS
ELECTRICAL DIAGRAMS
LINE 1 (U)
B1
C1
.0047
440V
THE LINCOLN ELECTRIC CO.
GENERAL INFORMATION
A PRINTED
ELECTRICAL SYMBOLS PER E1537
WITHOUT AFFECTING
CAPACITORS = MFD
OF A COMPLETE BOARD.
SHOW THE EXACT COMPONENTS RESISTORS = Ohms (
CODE NUMBER. DIODES = 1A, 400V
Ch'ge.Sht.No.
XA
3-20-98
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
LINE 2 (V)
B2
C3 C4
2.2 2.2
275V 275V
FRAME GROUND
AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS PERMISSION O F
LABELS
( .022/50V
UNLESS OTHERWISE SPECIFIED)
1/4W UNLESS OTHERWISE SPECIFIED)
(UNLESS OTHERWISE SPECIFIED)
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
NONE
SCALE
APM 9/29/97
DR. DATE CHK.
C2
.0047
440V
FILE NAME: S24206_1AA
THE LINCOLN ELECTRIC CO.
FRAME CONNECTION
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
EARTH GROUND CONNECTION
COMMON CONNECTION
EQUIP.
TYPE
SCHEMATIC, BYPASS
SUBJECT
SHT.
S
24206
SUP'S'D'G. NO.
G-23
PRECISION TIG 375