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Newsgroups: sci.electronics.repair
From: Franc Zabkar <fzab...@iinternode.on.net>
Date: Tue, 09 Sep 2008 06:41:49 +1000
Local: Mon, Sep 8 2008 2:41 pm
Subject: Re: Bad DLP Ballast?
On Sat, 6 Sep 2008 08:26:52 -0700, "Chris F." <zappy...@hotmail.com>
put finger to keyboard and composed: > Me again with this miserable Zenith DLP TV. I made a post about this about It probably won't help, but anyway I've uploaded this LG Powerpoint >a month ago regarding lamp replacement, I was able to do it successfully and >returned it to the customer. A few weeks later the customer brought it back, >this time with a different symptom; the set tries to power but makes a >buzzing sound, and shuts off. > With the front cover removed, I soon saw the source of the buzzing sound. >A small round white component off the HV transformer (looks something like a >large diode) lights up bright blue appearing to arc internally. The lamp >does not power up at all. I checked the lamp and it is fine, so at this >point I'm suspecting a bad ballast...... but with replacements costing up to >$200, I sure hope it isn't. > Thanks for any advice. presentation entitled "Service info for replacing ballast/lamp in LG projection TVs": http://www.eserviceinfo.com/download.php?fileid=37366 - Franc Zabkar You must Sign in before you can post messages.
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