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Re: What will you be replacing your CRT monitor with?

Posted by Eric Gisin on 11/07/07 00:55

"Bob Myers" <nospamplease@address.invalid> wrote in message
news:fgqeu2$5cr$1@usenet01.boi.hp.com...
>
> The shortest-lived component in terms of useful service
> life is, of course, the tube itself. CRT failures are most
> typically the result of cathode and phosphor aging, so
> rather than quote a time to absolute failure CRT lifetimes
> are most often given in terms of "mean time to half
> (initial) brightness." Typical MTHB numbers, unless
> you've got a tube with a fancier cathode design (VERY
> rare in monitors) are around 15K hours or so, depending
> on the usage profile. The rest of the monitor shows reliability
> numbers as would be expected for relatively high-voltage
> analog electronics; something in the range of 20K-30K hours
> for the MTBF used to be typical, although I believe CRT
> monitor overall quality/reliability numbers have been
> dropping recently as the technology became more and
> more relegated to the "economy" end of the market.
> Realistically, I would estimate that the average CRT
> monitor, in typical use, would have a service life of
> something around 5 years, but that's off the top of my
> head - it's been a while since I needed to track CRT fail
> rates as part of my everyday work.
>
Nope, HOT failure is the most common cause of dead TV/monitors.

 

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