Question about Xerox XG-91D 19" LCD Monitor
Sorry if this has already been posted, but i need a answer quick... When ever i first start up my pc, turn on the screen... its a blank white screen.. .i've actually timed it it takes about 15 minutes, if you press off and then back on, the picture comes on just fine. If i restart its fine. Just at startup is when it shows the blank screen.... i hope this can be repaired with not such a big cost
I have a Xerox XA7-19i. It has the same problem as described by many
others - intermittent fault with the display that manifests as a white
screen when the monitor is first switched on. After a few trys of
switching on and off, the monitor works fine until left off for a few
hours. Recently, the problem deteriorated to no light from the panel,
and a flashing blue power light.
I HAVE SUCCESSFULLY REPAIRED MY MONITOR:
I opened up my monitor and removed the power supply board.
I de-soldered every electrolytic capacitor, and replaced them with new capacitors of the same uF and voltage rating.
I put the monitor back together again and switched it on - it worked perfectly!
Yes - these monitors have been built using sub-standard / under-rated electrolytic capacitors. After two years of use, the power supply board was unable to supply enough power to the logic board and backlight, causing the above-mentioned problems.
The repair cost me ~ GBP 15 (USD $30). It is not a difficult fix, but one only to be attempted if you have electronics knowledge. Careful, kids! you'd be playing with the power supply of a mains AC electronic device. That stuff can kill.
But - I saved myself (and the environment) from having to throw out a monitor and buy a new one. If you have a faulty xerox monitor and are getting no love from Xerox customer support, find an electronics geek and ask them to replace the electrolytic capacitors on the power supply board. (but be careful to get the right kind of capacitors, and to get the capacitor polarity correct. If you have any doubt as to you ability to do this, don't bother trying!).
Posted on Mar 16, 2008
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