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Old 10-25-2020, 07:53 PM   #20
beetle1303
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Join Date: Jul 2019
City & State: Singapore
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Line Voltage: 230VAC 60Hz
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Default Re: Tefal GV8962 Pro Express steam iron - no power

Quote:
Originally Posted by budm View Post
I think other component (the 50v filter cap was blown due to high Voltage dump) that are connected to the buck converter are damaged when you power it up with bad IC, you were dumping over 300VDC into the low Voltage circuit.
Yes, the initial state when I opened up the steam iron, this cap was ok visually, and R1 was burnt. When I replace R1 with a 5W resistor, this cap blown while the 5W resistor survived..
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