Question about Hitachi CMP4201U 42 in. HD-Ready Plasma Television
This problems are the causes by of those power supply tranformers in power supply board are not seatted or uneven gaps in the board itself have those highvoltages flow going through it,that where the humming sound came from.This problems just anoiding mostly,want to solved it.Trie website like Ebay.com to buy a whole refurbish power supply board for the replament.
Posted on Dec 19, 2010
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