I have a Vizio vp 422 that will not power on. I did find a thread for this same tv, but there was no final solution. I'm a newbie so I'm open to all suggestions. All caps appear to be good. I've checked voltages on all coonectors from power supply. The PS-ON voltages are 4.07 in standby, and .48 with power on. Fuses all check out, including f-1,2,3,4. The PN for the main board is 0171-2272-2587. I'm wondering if the small board sandwiched between the main board & the back of screen could be the issue? I think it's called the control board. Please forvive my ignorance.
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Re: Vizio vp422- will not power on
Update: I now hav sound, but no picture. I cannot change channels with the remote or by pushing buttons on tv. The only things that work are the volume & the input, but I lose the sound when I push input. I can switch to one additional channel by pushing last on the remote. -
Re: Vizio vp422- will not power on
If you can get into the menues perhaps a factory reset would sort it out.
See the "sticky" on this forum
By the way - double posting is frowned upon as it wastes our time.Last edited by selldoor; 01-28-2013, 12:14 PM.Please upload pictures using attachment function when ask for help on the repair
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