Lincoln Electric SQUARE WAVE TIG 355 Service Manual page 147

TABLE OF CONTENTS - DIAGRAM SECTION
G-1
Electrical Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .G-1
Wiring Diagram (G2519) ...............................................................................................................................G-2
Machine Schematic (G2522).........................................................................................................................G-3
Meter PC Board Schematic (M15892) ..........................................................................................................G-4
Feed Through PC Board Schematic (M16070).............................................................................................G-5
Protection PC Board Schematic (M16115) ...................................................................................................G-6
Power PC Board Schematic (L8086) ............................................................................................................G-7
Control PC Board Schematic (A475) ............................................................................................................G-8
Upper Control PC Board Schematic (S20572) .............................................................................................G-9
Input Bypass PC Board Schematic (S23045) (CE Models only) ................................................................G-10
Snubber PC Board Schematic (M17499)....................................................................................................G-11
Protection PC Board (M16062) Layout .......................................................................................................G-12
Power PC Board (G2081) Layout ...............................................................................................................G-13
Bypass PC Board (M15299) Layout ...........................................................................................................G-14
Feed Through PC Board (L8096) Layout....................................................................................................G-15
Control PC Board (G2512) Layout..............................................................................................................G-16
Meter PC Board (M15893) Layout ..............................................................................................................G-17
* NOTE:
Many PC Board Assemblies are now totally encapsulated, surface mounted and or
multi-layered and are therefore considered to be unserviceable. Assembly drawings of
these boards are no longer provided.
SQUARE WAVE TIG 355
G-1