Question about Compaq P 1220 22" CRT Monitor

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Compaq P1220 Had this Compaq P1220 for several months and the picture was bright and beautiful until one day recently it simply lost the picture.Upon repowering power LED goes green for a few seconds then reverts to orange which blinks 7 times before going solid again.. orange.the crt tube has no fire and I am curious as to where to begin to troubleshoot. Not even a test screen will show upon restart.I have experience soldering components and troubleshooting component level but with no available schematics and the proper equipment..am at a loss where to start.Any help would be appreciated.

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If that monitor is out of warranty, it's pretty much a throw away item. If you can find a "donor" monitor with a cracked CRT or case, you could probably swap the high voltage units and get it going again.

Posted on Oct 04, 2007

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Posted on Jan 02, 2017

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My P1220 has the problem that when it goes to powersave mode, it completely gets off. and it will not switched on for a while. if we kept the monitor fre for one or two days, it will work as usual(until it...


NO PC stated, NO OS STATED, must we guess it all?

the last running CRT monitor on earth fail 17 years old.
how amazing, no:?
lost the manual you did, google finds is if you had tried.
the OSD menu, works. push mon. menu button
turn off the sleep timer
RTM always works why not do that.

read the manual
your MON is so old its before modern VESA spec sleep modes were invented,
so it had this silly feature called the sleep timer, with clock
yes has a clock too, crazy no?

https://www.manualslib.com/products/Compaq-P1220-187767.html



page 6pdf.
tells me it does have vesa mode, sleep off the sync pins
on the same page this old relic,has DDC modes
but only work on moden PC< DDC uses a pin that was never used before on the VGA jack.
that same page also states, DDC2Bi (plug and play) only works on MONItgor jack B..

so note tell me your PC or its video card model if used.
or whaT this is (windows95.)>?'
we cant help much can we.
but you can test your monitor on another PC.
if that fails, the monitor is bad
but you must try both MON, rear VGA ports.

if the PC was dead, i sure can be.
youd have tried another barrowed monitor to prove that.
easy.

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