Service manual

S0740 800 179/E071123/P64
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ct33_02
2AP1 Power supply board
The power supply board filters the mains voltage and generates internal supply voltages for
the machine.
2AP1:1 Interference suppressor circuit
WARNING! Dangerous voltage - mains voltage.
The mains voltage is filtered by the power supply board. Power board 15AP1
rectifies the mains voltage. TIG board 10AP1 uses the mains voltage for
supply to the HF generator and the gas valve.
2AP1:2 Primary circuit
WARNING! Dangerous voltage - mains voltage.
The primary circuit is supplied with 325 V DC from the power board, 15AP1.
S1 is a fuse with high rupturing capacity.