Question about ViewSonic VA712 17" LCD Monitor

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I have va712 and when i turn on the monitor it turn on for second and after only the backlight turn off. what i can do?

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You already check the cable and try this monitor with anopther PC already?
You may have problem with the AC adapter or the backlight inverter board problem, or bad backlight assemblies.
You need to verify that the AC adapter is putting out 19vdc under loaded condition.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Posted on Mar 24, 2011

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Hi. I have a viewsonic model VA712. I suspect a failed backlight. What to do?


well if you don't see a lot , your backlight is dead:), easy to repair since you propably get 3 screens which fit when you search for it and every screen is just an oem.... :). except the special expensive once. Take notice if your screen connection is left or right sided and besides get it removed and placed is by unscrew some screw and then comes the uncliccing parts; Use some a sharp screwdriving(with some tape on it to avoid get ugly points).
It's just clickwork, don't be afraid to ruse some strength.
good luck

Sep 02, 2014 | ViewSonic Computers & Internet

1 Answer

Backlight problem


what is the problem? can you be more specific?

Dec 06, 2013 | ViewSonic VA712 17" LCD Monitor

1 Answer

View sonic monitor VA712 doesn't display picture even after power supply light turns green


It may have blown fuse in the backlight inverter board, that will be the first place to look.
Post pictures if you can.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series

Dec 19, 2010 | ViewSonic VA712 17" LCD Monitor

1 Answer

I have this monitor - ViewSonic VA712 and when i use it, turn the PC on, the monitor power status light turns green, then display turns absolutely black (still the power status is on GREEN). Can hear from...


Very common problem with Viewsonic and all other brands of failed moniotrs is due to bad caps as you can see here:
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 for further help.

Sep 04, 2010 | ViewSonic VA712 17" LCD Monitor

1 Answer

I have Viewsonic VA712 monitor 17" i am not able to hear sound


Here is the user manual: http://www.viewsonic.com.au/support/manuals/files/LCD/Series%20A/VA712%20User%20Guide%20English.pdf
Make sure to hook up audio cable as shown to your PC.

Additionally you can try to download drivers for the same which can be found here http://ap.viewsonic.com/in/downloads/

Apr 21, 2010 | ViewSonic VA712 17" LCD Monitor

2 Answers

VA712 Lcd monitor taking long to show display


My VA712 is exactly the same as yours. Did you ever get a solution?
Thanks,
John

Oct 04, 2009 | ViewSonic VA712 17" LCD Monitor

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