Question about ViewSonic NX2232w TV
This kind of problem usually caused by a cold solder of components at the boards.You need to open the back cover of the TV and have a visual inspection on the boards.
here are the boards to check.
1.power supply board -this board is where the power cord is connected use a soldering iron to resolder all the possible loose board components.check also all the connectors/cables be sure it fits the socket and nothing is loose.Replace also any bulging capacitors use capacitor of the same rating.
2.The inverter board- this board is a high voltage board.The power input is 24 volts DC and the output is 100-200 volts be careful not to touch them during power on.The usual faulty here is the wiring connectors just re tighten the connectors and solder the connector terminals.
Posted on Mar 13, 2011
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Posted on Jan 02, 2017
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Oct 01, 2014 | ViewSonic VA2226w 22" Widescreen LCD...
Basic LCD monitor and TV troubleshooting guide:
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.
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