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.