Question about Zenith P42W46X 42 in. Plasma EDTV

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Snow no connection to cable box - Zenith P42W46X 42 in. Plasma EDTV

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The fact that you are seeing snow tells me that your tv in in the tuner mode .. your cable box is more likely hooked up to the AV input (composit video + 2 sound channels ..3 wires total) .. or it could be hooked up to component inputs (5 wires total) ... you will have to go to the menu of the TV and choose the proper input ... if your cable box is actually connected thru the tuner (coax cable to RF input .. one cable) then you have to select the same channel on the tv as what the cable box is set to .. that is usually chan 2 or 3 ... there is also an svideo input on your tv .. that can take the place of the composit input ..
here is a diagram of the back of your set so you can determine how its hooked up ..
http://www.fixya.com/support/p169436-zenith_p42w46x_42_in_edtv_plasma/manual-6443/page-8

lots of other good information there as well

Posted on Oct 03, 2009

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My tv just went off all at once to nothing it just looks like snow on it thats it and we have it hooked up to cable and was viewing it at the time


snow is an indication of signal failure either from the station or an antenna connection problem
if it all channels then I would be looking at the cable connection at the cable box or outside antenna connections

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snow is an indication that the antenna is not properly connected
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follow the user manual directions

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1 Answer

My tv sanyo cm21kf81A, chassis number FC3-G221 has snow noise on all tv channels, but AV1 and AV2 play good sound


First check cable wire or whatever is connected to set for channels--the leads are connected and wiggle them with set on to see if it clears up--could be a connection where cable wire is connected at end--loose connection there etc.

If tuner is bad causing this and you use a box for signal--most have rear audio/video outputs you can connect to a unused video/audio input on rear of set---bypass the tuner in the set and operate set that way changing channels on box instead of set.

let me know if you have questions or have more information.

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1 Answer

Screen suddenly went to complete snow no video or audio


Well the LG tv is not getting the cable signal.Unplug the cable box about an hour.Replug the box let the software to upgrade the cable box.The LG tv should get the signal back as normal.Not,than the LG tv Tuner board have problems it dead.Tries Websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.

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1 Answer

Diagonal snow has developed on the screen lately. We have a digital cable box, but calling for a signal boost doesn't help. Is the TV going bad, or the cable box?


You can almost guess that the problem is a bad ground on your coaxial cord. A very very common problem. You may have to many connections...a vcr,DVD player, a video game box etc. all connected to the tv and cable box. Make sure everything is tight and then remove one of the aux video connections to see if you cet a clear picture. The best connections are the ones that twist on...the slide in coaxials are not always the best. You may also need new coaxial cables too! Good Luck!

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1 Answer

Not getting cable signal.


TRY CHANGING YOUR INPUT SOURCE ON THE MENU FROM AIR OR ANTENNA TO CABLE.

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1 Answer

I connected s-video to cable box but all i get is snow


Try connecting another method via RCA plugs if that doesn ot shore it up rule out tuner and rule out cable box at this point.

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Your tuner assembly has a bad connection inside of itself, or there is a bad connection around the tuner assy. if this is an ATC113 chassis Good Luck

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