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nicebreed
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 Posted: Mon May 24, 2010 1:31 am Post subject: 42 vizio plasma vp422hdtv10a no picture |
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Hi, if any one can I need some help. my viz lost its picture, but retains the sound. I have checked some blogs and read that its probably the backlight inverter. After research I cannot find a component that matches any board in the television. do plasmas not have one? and any suggestions for trouble shooting. limited knowledge in this area. Any help would be awesome! Thanks!  |
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jts1957
Joined: 24 Nov 2008
Posts: 2476
Location: Far, Far Away
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| Posted: Mon May 24, 2010 4:02 am Post subject: |
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No, they do not.
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nicebreed
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| Posted: Mon May 24, 2010 7:04 am Post subject: |
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| Thank you! I shall stop looking for one then. Do you by chance have any suggestions? |
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Minimess
Joined: 24 May 2010
Posts: 14
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| Posted: Mon May 24, 2010 6:21 pm Post subject: Re: 42 vizio plasma vp422hdtv10a no picture |
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| nicebreed wrote: |
| Hi, if any one can I need some help. my viz lost its picture, but retains the sound. I have checked some blogs and read that its probably the backlight inverter. After research I cannot find a component that matches any board in the television. do plasmas not have one? and any suggestions for trouble shooting. limited knowledge in this area. Any help would be awesome! Thanks! |
Plasmas do not have backlight so there should be no inverter. Check out the connections to see if anything is loose. How long have you had this TV? |
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nicebreed
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| Posted: Wed May 26, 2010 3:50 am Post subject: |
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| not long. picked it up from the pawn shop in as is condition. I like to tinker on things and learn so I tore into it |
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nicebreed
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| Posted: Thu May 27, 2010 6:31 am Post subject: |
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| all connections appear to be wound. I unplugged each buffer board one at a time and no change. The led vizio light turns on, can hear the relays click on the power board, don't smell any magic smoke, nothing appears to be overheating. any other ideas? logic board perhaps? oh, there is a blinking green light when I turn the television on, on the logic board. Is it supposed to blink or stay solid green? Thank you so much! Toby |
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minnie
Joined: 18 Aug 2005
Posts: 2880
Location: Hell
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| Posted: Thu May 27, 2010 9:08 pm Post subject: |
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| Have you checked the VS and VA voltages out of the power supply? |
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nicebreed
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| Posted: Fri May 28, 2010 2:48 am Post subject: |
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| limited tools. can I use a multi meter with out causing more damage to the components? |
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nicebreed
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| Posted: Sat May 29, 2010 8:06 am Post subject: |
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| thanks for our help going to the dumpster |
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Minimess
Joined: 24 May 2010
Posts: 14
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| Posted: Mon Nov 01, 2010 9:23 pm Post subject: |
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| nicebreed wrote: |
| thanks for our help going to the dumpster |
Sad to hear that mate 
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