Good day, instead of Q0165R I mistakenly put 24C256 (don't ask me how) and made a short circuit. After I put Q0165R I don't have stand by voltage again. There is no voltage on the cold side. I found the schematic.
I checked a few things but didn't find anything. When I checked the DB802 diode, it showed a short circuit, but when I unsoldered one leg, it looked fine, and I still have a short circuit on its contacts. On the other side of the board, I have DZB801 also shorted, but it is SOT23, so I didn't remove it, do you think it could be connected to it? Could there be some protection in this marked transformer, how to check it? Or do you think that the ISM801(MC33067) is damaged, how can I check it (I don't have an oscilloscope), I looked at VCC to ground, it is not short circuited, but I have a small voltage on VCC, and the datasheet says 20V??? Is it the voltage after the TV is turned on?
Any help is welcome.
I checked a few things but didn't find anything. When I checked the DB802 diode, it showed a short circuit, but when I unsoldered one leg, it looked fine, and I still have a short circuit on its contacts. On the other side of the board, I have DZB801 also shorted, but it is SOT23, so I didn't remove it, do you think it could be connected to it? Could there be some protection in this marked transformer, how to check it? Or do you think that the ISM801(MC33067) is damaged, how can I check it (I don't have an oscilloscope), I looked at VCC to ground, it is not short circuited, but I have a small voltage on VCC, and the datasheet says 20V??? Is it the voltage after the TV is turned on?
Any help is welcome.
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