Question about Hitachi 55HDX99 55 in. Plasma HDTV

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55HDX62 .. Plasma Owned the television for about 5 yrs without any issues. Turned on, watched for about 5minutes. >Saw slight spark from the upper right rear of the unit (it reflected off the wall behind it). >Sound remains, no longer picture. Tried the usual, on/off remove cable, etc. Did I just blow my plasma lamp? I seemed like a light bulb that blew (similar in sound and sight) I am pretty handy, and try to fix everything that is broken or upgradable including electronics (build my own home pc's), cars, motorcycles, home electric work, etc.. Do I get involved from this point and attempt to diagnose/fix problem or do I just call a tech??? ($150-200 parts/labor not a major problem.. +$400? I'll start to get resourceful/patient)

Posted by r villa on


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The spark you have noticed, is most likely to be a blown capacitor. Since you have sound, my money would be on the sustain board(X-sus or Y-sus or both). Unplug the set, take off the back cover and tell me what you find. Get me part number off the board so that I can confirm if whether its the sustain board.

Posted on Nov 17, 2010


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First of all if the "technician" said the LCD panel possibly but this is a plasma then BOOT that tech, he/she doesn't know what they are doing. You probably have a bad logic board as I have seen with a few Hitachis. This is obvious to a TV tech because the logic boards on Hitachis have LED's on them to indicate their condition. I would get a second opinion on this repair. Avoid the person who thinks its the LCD panel when it's a plasma TV.

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