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Newsgroups: sci.electronics.repair
From: "Chris F." <zappy...@hotmail.com>
Date: Sat, 6 Sep 2008 08:26:52 -0700
Local: Sat, Sep 6 2008 9:26 am
Subject: Bad DLP Ballast?
Me again with this miserable Zenith DLP TV. I made a post about this about
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. You must Sign in before you can post messages.
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