Question about Vizio VW42LF 42 in. LCD HDTV
It can be the 24vdc power supply for the backlights is bad, may be due to bad caps), or bad backlights inverter boards due to shorted circuits. You need more in-depth troubleshooting.
You can see if they have the pictures of the boards here: www.shopjimmy.com
Please read my guides for more understanding:
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
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/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Posted on Mar 23, 2011
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Posted on Jan 02, 2017
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