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LG 32LK330 - Voltages go UP and DOWN

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duffy505:
Hi

I dont have 5V, you can see on picture markings:




Is this power board problem and Is there any way to connect "fake" load to it to test it (without main board) ?

Did check few more thing but no buzz noise, no heating elements on board (due to short), all fuses are ok., no shorts on rectifier.

Still stable 3.5 V (on all 4 pins) until i connect main board and then voltages oscillates to 0V.

downunder:

With the pictured plug removed, can you read any shorts on the main board at all the 3.5V terminals?   Bruce

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