My 42" LED tv stopped working a few days ago, after a storm caused a power surge. The tv is now stuck in standby and will not turn on.
Since I don't have an ESR/capacitor meter, I have decided to replace all of the capacitors (total cost plus shipping: $19) on the mainboard to see if doing so will make the TV work again. (In case anyone is really interested, I'm replacing the OEM Lelon capacitors with new Nichicon capacitors, which are rumored to last 7-15 years.)
As an admittedly limited test, I used a multimeter (ohms test) to see if any of the capacitors died. A few of them did what I read they were supposed to do: they charged when I put the probes one way, and discharged when I reversed the probes. Four of them, though, seemed to hold a charge regardless of how I positioned the probes. Neg to Pos, Pos to Neg did not make a difference. These four caps simply charged up to a specific value and remained there.
My question: are capacitors supposed to behave in this manner, or are these four capacitors dead? Any and all help is greatly appreciated.
Since I don't have an ESR/capacitor meter, I have decided to replace all of the capacitors (total cost plus shipping: $19) on the mainboard to see if doing so will make the TV work again. (In case anyone is really interested, I'm replacing the OEM Lelon capacitors with new Nichicon capacitors, which are rumored to last 7-15 years.)
As an admittedly limited test, I used a multimeter (ohms test) to see if any of the capacitors died. A few of them did what I read they were supposed to do: they charged when I put the probes one way, and discharged when I reversed the probes. Four of them, though, seemed to hold a charge regardless of how I positioned the probes. Neg to Pos, Pos to Neg did not make a difference. These four caps simply charged up to a specific value and remained there.
My question: are capacitors supposed to behave in this manner, or are these four capacitors dead? Any and all help is greatly appreciated.
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