Thanks for the info Leonard, I'll go over it one more time to see if I
can find anything. I suspect it will be something inexpensive but I also
worry that if I call in a tech they'll just want to swap an entire board
at which point the set probably wouldn't be worth the expense to me.

As far as Mitsubishi's quality it isn't fair for me to judge it based on
a single set, but it is frustrating being on the wrong end of the
statistical curve. They do have a nice 1080p DLP set, and I may even
take a look, but as the saying goes once bitten twice shy.

Anyhow, thanks again.

burnin

Leonard Caillouet wrote:
"none" ""burnin\"@(none)" wrote in message
...

Are the convergence and vertical output ICs powered when the set is first
plugged in? I wouldn't expect that they are but I'll try looking into
this. Just in case this is not the issue I'll post more specific details
of the issue.


No. The standby circuits are active, but the 24v supply is not until the
set is powered on.


The set started exhibiting a problem where it would shut off as if it lost
AC power and then power back up to a standby state. It also did this when
in a standby mode, it would power off completely and then come back on and
the power LED would blink until it completed its standby mode.


This sounds like a reset or standby supply problem. Likely a rather
inexpensive IC. Could be lots of other problems. Real troubleshooting is
needed.


Eventually it started powering off and reseting rapidly so I unplugged the
set and came back to it later to see what was up. At that point when I
plug the set in the power LED just blinks continuously.


I do not have the schematics for this set and even though the set is only
a couple years old its not worth paying for service as the screen has some
burn issues. I've poked around checking voltages where they are labeled
and I've ran an ESR meter through the boards and replaced any cap that was
questionable but no luck.


Screen burn is an issue with ANY brand CRT based product that is used
inappropriately. This is a fine set and these have had very few problems.
If you have burn-in, you had the contrast too high without varying the use
patterns for too long a period.


I'm already looking at a few 1080p DLP sets to replace this box and not
one of them is a Mitsubishi. After owning a cheap RCA RPTV for 7 years
with no problems and only having this hi-def Mitsu for only a couple of
years and experiencing easily burned CRTs and now a power on issue I will
never buy a Mitsubishi set ever again.


Mitsubishi has some of the best products available. If I were looking at
DLP sets I would certainly give them a look.


If nobody has any further suggestions and I don't find the power on
problem I'll likely just drag the box out in the backyard and torch it.


Troubleshoot or call a good mits tech. Torch it if it makes you feel
better.

Leonard