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| blauerscharik:
--- Quote --- No, I have edited my post. You were a little too quick with your reply. :-) --- End quote --- HaHa sorry. I checked the cap right by VDD pin. It seems ok (110nF). I replaced it to test and still nothing. The resistor right by VDD_G pin measures 2k. All other resistors are close to the markings value. |
| fzabkar:
I mean these components. Isn't EC7 (10uf 50V) the VDD capacitor? The startup resistor is actually a string of 3 resistors (125, 205, 125). |
| blauerscharik:
--- Quote from: fzabkar on July 19, 2024, 08:10:13 am ---I mean these components. Isn't EC7 (10uf 50V) the VDD capacitor? The startup resistor is actually a string of 3 resistors (125, 205, 125). --- End quote --- Indeed you are right. I took a closer picture. The three resistors have the right value. And the capacitor has 10uf as well. |
| blauerscharik:
So is it safe to say that this power switch (IC2) is not working properly? I couldn't find any online to buy... And do I even need it or can I bypass this part of the circuit? |
| fzabkar:
After you switch of the power, does EC01 retain its 320V voltage? If so, this would suggest that 0B2338SP is not starting. Is there a short on the 5V or 12V supplies? Is the 15V pin of the motor controller shorted to ground? |
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