Question about ViewSonic VX710 17" Flat Panel LCD Monitor

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Monitor will not turn on

This Viewsonic VX710 LCD monitor will not turn on. The LED light blinks repeatly and the very slight noise the monitor makes on initial startup repeats over and over again. Nothing is displayed on the screen even without the video cable pluged in. With a previous post about this issue it may be safe to assume this is a pattern faliure. Any assistance on this would be great. Also, I have already checked for broken solder joints on the switch board and checked for loose/broken wires for the switchboard harness.

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  • seangallaghe Sep 12, 2009

    Im not sure I competly understand what a "cap" is. Im no slouch when it comes to fixing stuff but some of the terminology excapes me. Can you explain what a cap on the power supply is and what it looks like?

  • seangallaghe Sep 12, 2009

    Im not sure I competly understand what a "cap" is. Im no slouch when it comes to fixing stuff but some of the terminology excapes me. Can you explain what a cap on the power supply is and what it looks like?

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It could be bad caps on the power supply. Look for bulging caps and replace them if bad.

Posted on Sep 12, 2009

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2 Answers

I have a viewsonic VX710 monitor. It turns on for a second then goes black. I followed answers from fixya.com. and replaced all 5 capacitors even though none were bulging at top. Nothing changed. What can...
The inverter is the fault here.

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1 Answer

My Viewsonic 2235wm goes on and off frequently
Look for bad caps as shown in my VX2235 album.

Basic LCD monitor troubleshooting guide:

http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Please post back what you find.

Oct 25, 2010 | ViewSonic VX710 17" Flat Panel LCD Monitor

1 Answer

My viewsonic vx710 lcd monitor shuts off after @ a hour of operation then won't come on for @15 minutes
Check the power supply section first.
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 VIEWSONIC 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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

May 31, 2010 | ViewSonic VX710 17" Flat Panel LCD Monitor

1 Answer

Viewsonic VX710 17" Flat Panel Display. It turns on and after 1 or 2 Seconds shuts the backlight off L.E.D. satys on but the backlight won't comeback on. No cap seems to be blown up.
Failed cap amy not show any sign of bulging or leaking, it can still have high ESR. You can also have components failure in the inverter circuits such as shorted inverter transformer driver transistors, open or short winding (DC Ohm test will not show shorted turn, need to use ringer test), I use SENCORE LC75 for testing, bad lamps or bad soldering works on the lamps. See http://s807.photobucket.com/home/budm/allalbums for some guide.

Mar 31, 2010 | ViewSonic VX710 17" Flat Panel LCD Monitor

1 Answer

Viewsonic VX710 17" Flat Panel Display. It turns on and after 1 or 2 Seconds shuts the backlight off L.E.D. satys on but the backlight won't comeback on. No cap seems to be blown up.
You may have bad transformers, need to be checked, DC Ohms meter may not be enough, need to use inductor tester (I use Sencore LC75). You can also have bad lamps (bad solder connections). The caps may not have any sign of bulging but can have high ESR, see some pictures here for guide: http://s807.photobucket.com/home/budm/allalbums

Mar 30, 2010 | ViewSonic VX710 17" Flat Panel LCD Monitor

1 Answer

My viewsoniccx710 won't turn on. No light, no nothing. The cables and the graphics card are fine. They are currently working with a different monitor. we turned the thing off for something and have not...
open up change the 1000uf cap in the power supply
cost 1.24 cents at radio shack

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Replaced the monitor. Thank you.

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remove the cable from the back of the computer with the monitor and computer turned on. If it gives you a no signal error either the cable or your graphics card inside the computer needs to be replaced.

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Chris
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I have a viewsonic VX710 monitor. It turns on for a second then goes black. I followed answers from fixya.com. and replaced all 5 capacitors even though none were bulging at top. Nothing changed. What can...

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