SAMSUNG UN22D5003BF | UN32D4003BD | LCD TV
SYMPTOMS: Dead set.
DIAGNOSIS: With no power indicators or anything, I always suspect the PSU. I am lucky enough to have a Samsung test jig for 2011/12 model LCD televisions. This confirmed my suspicion.
SOLUTION: I have worked with two (2) different sets with this model code, and they both had bad PSU/INVERTER boards. The combo board is used in a lot of the new LED LCD sets. This fixed the problem in the 22" set (UN22D5003BF), but in the 32" set, the PSU fixed the TV for less than one month. The PSU did not go bad a second time, but the MAIN PCB shorted out, eliciting the same symptoms. Keep this in mind if you choose to repair this yourself. If it's still under warranty, let Samsung pay for the repair.
As always, for help finding parts or executing the repair, feel free to comment or contact me otherwise.
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