TROUBLESHOOTING & REPAIR
F-25
F-25
V160-S & -T
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GATE DRIVE
OUTPUT
RECTIFIER
OUTPUT
TRANSFORMER
IGBT
IGB T
SHUNT
1 Ohm
T3
T3
INSIDE INVERTER PCB
MAIN IGBT INVERTER BOARD V160-S/T
“WELDING LOGIC AND INVERTER” SECTION TEST
(continued)
FIGURE F.14 MAIN IGBT INVERTER BOARD LOCATION
