Question about Xerox XA7-172i 17" LCD Monitor

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I have a problem with monitor Xerox XAP-172i, its not turning on, i think the problem is in the power supply there is no 12V where its should be at the connector to other board its about 9V. Where i should search the failure?

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Posted on Jan 02, 2017

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SOURCE: PS/2 power supply connection

You seem to have an oddball monitor if what you describe is correct. The power supply to a monitor[Display Screen is that what you mean?] is either direct to main power- in which case the power cord is either built in with a power plug for wall socket, or has a socket on the back for a separate main power cord. Or is powered from a low voltage converter that delivers low volts usually via a coaxial plug like this illustration PS2 connection does dot come into the equation as far as I know unless you have got hold of something unusual. Tell you what take a shot of the back of the monitor and lets have a look see mean while here's is a shot of a typical low voltage power supply available anywhere.

Posted on May 27, 2007

  • 32 Answers

SOURCE: Type of power supply and what where is the +/- 5v or color coding for the 4 pin connector?

Dhen: This monitor uses a special Power Adapter as shown... Also the Pin designation is from the NOTCHED PART BEING ON TOP: NOTCH U +V O O +V GND O O GND SithPitt

Posted on Jul 04, 2007

  • 1 Answer

SOURCE: 19" Proview 900p lcd monitor backlight

The 7812 device is a voltage regulator. Either the reg has failed or the input to the reg is no longer approx 12volts. It should be more than 12volts so that the reg can control the o/p .

Posted on Sep 05, 2008

  • 164 Answers

SOURCE: Xerox computer monitor light keeps flashing

try swapping a known good monitor to make sure its the monitor?

Posted on Jul 26, 2009

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SOURCE: My Xerox XG-91D has gone totally black. No leds

This could be a back-light problem, it can be caused by a faulty inverter board which supplies high voltage to the CCFL lamp or the CCFL lamp is faulty. The CCFL lamp is a mini fluro tube.
Check LCD Parts for service, parts, and DIY info - click on this link to their WEB site :-

Posted on Oct 25, 2009

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I am having an issue concerning my xerox xap 192i monitor. The issue is that my laptop, for some odd reason can't detect the monitor, anyone who knows what the reason are for that?


This is a much older monitor (2005) and was designed for the east European markets. It is possible that either the standard is not the same as your laptop can display or that it is simply too old to be compatible because the lowest resolution for your laptop cannot be displayed or synced up by the monitor.

Since you did not give your model of Laptop, this is only an educated guess

Hope this helps

Jun 18, 2016 | Xerox Computers & Internet

1 Answer

My monitor comes on and lasts for 30seconds

Can you see the desktop faintly? If so then it may be that your backlighting has blown. See my tip here for more details:

If you can't see your desktop faintly then it may be that the monitor power settings have been altered. See my tip here for correcting this:

May 23, 2011 | Xerox XA7-172i 17" LCD Monitor

1 Answer

I have a xerox monitoer flat screen,it cuts off after about 2ominutes on my pc then i have to switch the monitor off then put it back on after another 2ominutes then it comes on again but will cut off...

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, 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:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Jun 02, 2010 | Xerox XA7-172i 17" LCD Monitor

1 Answer

My moniter screen is all white when I turn it on.

Hi sir,
Its a screen issue ..screen has to replace If it is under warranty go for service centre

Sep 21, 2017 | Xerox XA7-172i 17" LCD Monitor

2 Answers

XEROX LCD flat screen monitor

Hold down the combination of keys "CTRL"+"Alt"+ "arrow keys" to change picture orientation on Windows, this will sort out the problem.

Oct 18, 2008 | Xerox XA7-172i 17" LCD Monitor

3 Answers

White monitor

You can degouse it.I think you placed your monitor in any magnetic field or near fan ac or any electric equepment.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FIXYA.

Mar 13, 2008 | Xerox XA7-172i 17" LCD Monitor

1 Answer

Xerox xa7 19" lcd monitor

That means that you have a defective inverter board.

The inverter is a small power board that power up the LCD backlight lamp, determining light intensity, when it is like that, the inverter is defective and must be replaced.

Nov 07, 2007 | Xerox XA7-172i 17" LCD Monitor

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