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Newsgroups: sci.electronics.repair
From: "Jerry G." <jerry...@hotmail.com>
Date: Sun, 7 Sep 2008 16:26:30 -0700 (PDT)
Local: Sun, Sep 7 2008 5:26 pm
Subject: Re: Bad DLP Ballast?
I have not worked on your model of set, but from past expeience I
found that a defective lamp can damage the ballast, and or the starter. A defecive ballast can also cause a lamp failure. In many systems the starter is part of the ballast supply. Jerry G. -- You may end up having to change the two together to fis this problem. Jerry G. __ Chris F. wrote:
> 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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