Screen falsh ing
Check its T'Con board. Set need service. The work is a skilled one. You must have to contact any expereienced service technician.
SOURCE: vizio vw42l, the vizio light turns from ornage to
Does LCD screen backlight come on? If so proceed....
USE:CAUTION WHEN DOING THIS....
Try this if repairing yourself...find power supply, small board with no cover over it...check voltages on output pins/plug/connectors (white plugs) three in a row...
1 Plug has 24Volt supply..1 has 12Volt supply and 1 has 5Volt supply when read to ground (screw that holds board in) if you have these voltages it's a safe bet it's the main control board...I just replaced mine and it fixed a problem like yours.
SOURCE: Broken LCD Screen on a Vizio VW42L. Where can I buy one?
Hello Sesman200,
We have a good screen in Stockton, CA... Call us at 209-465-6139 .. Dave
Thanks.
SOURCE: My 42" Vizio LCD HDTV
It can be the unstable power supply due to bad DC filter caps, bad T-CON boards, main board.
I would inspect the power supply first for caps with domed tops.
Basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
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, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.
SOURCE: 42" vizio vw42l - no picture or sound
I have a Vizio VW42L, it flickered about twice and went off. No sound or picture. Any ideas?
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