Question about Xerox XG-91D 19" LCD Monitor
It simply just dosnt have any power, all fuses checked and there are no problems with the board, what in the world of monitors could it be?
It has 2 circuit boards inside (i think 1 is kind of an on board graphic device 4 this screen) the power 'on' switch is connected to this device' circuit board by 3 wires (and connector) 1 red 1 brown and 1 black, i suspect the red and black have obvious purposes but can any1 tell me what the brown is used for? also any help would be muchly apprieciated, thank you.
My desk top is half display is ok and half display is white light & all program is look a lite
Posted on Oct 29, 2013
SOURCE: Faulty Monitor?
I had the same problem, dead p.o.s. I enjoy this monitor, it’s one of the few on the market that are completely flat on the face. Great look! I own two, one used off ebay, repaired. Land fill, no fukin way. Found a fellow who can fix the power supply on ebay, $40.00 . I found a fix here on Fixya. Went to radio shack, better to order on line their inventory for these parts is itty *****, the same size capacitors, only $10.00. Inside in the guts of the power supply the capacitors were bulging and leaking.
Pulled them out and amateur soldering popped in the new ones, replaced 4 of the 6 big fukerz. Harest thing was getting the cover off, slight pry and slide up. And whalla! Good as new. Got 5 years on this one XG-91. Suk me Xerox for cheep o Partz! Burn the fuckerz that don’t make things to last!
Posted on May 08, 2008
The main problem is here is the graghics card its needs to updated and make sure the pins are alright on the display cable. Also you need to uninstall the integreated one that came with the PC first before you install a graghics card. so right now you need to put the display back to the motherboard display then when you have that done then you put it in the grafics card you have then it should something i had the same promblem for awile i couldnt figure it out either. Hope that works for you. Good luck
Posted on Nov 08, 2006
Just tore mine apart so here is some help. You need to remove the two screws on the back of the case on the bottom. Then you remove the front cover it slides toward the top of the screen then lifts off. You can pry it off if that doesn't work. If you want to seperate the screen from the back cover you then need to remove the swivel mount and the other two screws from the back cover.
Posted on Jan 04, 2007
Replace thee 1000uf caps too. A capacitor meter will not test the ESR ( equivalent series resistance ) of the caps the cap meter will show them to be good but an ESR meter will show then to be bad. Also be sure to use low ESR caps. If you use general purpose aps like from Radio Shack it can damage the board board because of the ESR rating. The temp rating needs to be 105c or the new caps will blow out within a month because of the heat in the monitor case ( No fans ).
I hope this helps, if so please rate our solution.
Posted on Mar 18, 2010
Testimonial: "Very helpful! I replaced all of the caps but still have the same problem."
You may also have to check the IC/Transistors Inverter transfomer drivers, also should Ohm out the resistance of the transformers.
Posted on Mar 19, 2010
Common failures in LCD monitors are due to bad caps as hown in my albums. Basic LCD monitor troubleshooting guide: Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
Basic LCD monitor troubleshooting guide:
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Posted on Oct 06, 2010
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