Quote:
Originally Posted by retiredguy123
The power connection is the yellow box in the lower left corner. The external transformer works fine with other devices. I think it would be too difficult to remove the circuit board because I would need to disconnect a lot of plug ins.
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Well, if you're not going to remove the board there is no point looking at the schematic.
Typically, it's a power supply issue. The Chinese tend to under spec the caps.
It looks like you will have to let a few moths free by opening your wallet and buy a new one