Question about ViewSonic VA703B LCD Monitor
My viewsonic VA703b having this synthom , power button has LED on (green),but in black screen?
This trouble maybe power supply or inverter boards is defective.
first you can test the voltage of the multr,and then check which part is defective.From Wisiny.com can find those parts
if you have any question,please let us know email:email@example.com,we sincerely hope we can help you!
you can also check this boards whether suit you:
ILPI 023 490731400100R Viewsonic 790681400711R Power Supply Backlight...
Posted on Dec 18, 2014
Look for bad caps in the power supply first just like the rest of failed VIEWSONIC as shown in my albums here:
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Please post back what you find.
Service manuals: http://ftpkuban.com/FTP/Manual/ViewSonic/
Posted on Sep 04, 2010
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Posted on Jan 02, 2017
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