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Viewsonic N3251W tv, sound cuts off. Changing channel brings it back.

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I don't know if this was really a fix but I haven't seen the problem since I switched the sound mode from "user" to "soft" in the menu under the sound button on the remote. I'm not incline to go looking to see if I can recreate the problem under "user". Unless it reapears, I consider my problem solved.

Posted on Apr 23, 2008

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Tv stays on but there is no sound and you cant change the channels what is the problem


Hello,
there are so many reasons why your TV won't bring out sound. You need to troubleshoot first, in order to get to the root of the problem, before a solution can be proffered.
First, connect a DVD player to the TV, observe if there is going to be sound. If there is still no sound after connecting the DVD player to the TV, proceed to the next step. "The reason why I asked you to connect a DVD player to the TV is to confirm if the problem is simply not from the audio cord connected to the TV."
Second, get an headset, connect it to the earphone jack of the TV and observe if there is going to be sound. If there is no sound, then it is glaring now that your TV is having a defective sound card/IC that's why it is not bring out any sound. (Note that connecting an headset to your TV is optional because not all TV's has a space for headset). "The reason why I asked you to connect an headset to the TV is to also confirm if problem is not from the TV speaker. Though TV speaker problems are rare but sometimes, the TV speaker might be defective or the speaker wires may have loosed contact or cut into two, due to one reason or the other. But if the headset doesn't bring out any sound from the TV, then it is not so."
If none of the above seems not to be the cause of the problem, then the above troubleshooting has confirmed that the TV has got a defective sound card/ic. The sound IC/card of the TV has to be replaced for the TV to bring out sound again.
To be honest with you, replacing or fixing the sound card/ic of your TV requires the ability or experience to do so.
Now, if you are convinced you can fix or replace this yourself, please reply so that i can help you further. And make sure you troubleshoot first, before getting back to me.
Regards.

Jul 10, 2011 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Magnavox projection TV - Sound cuts off when changing channels.


Yea. Your model FP5210 is much older than one with digital SSB board. Still would think that the mute is being activated; probably by the ucontroller/cpu IC.

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Problem with SSB module and will burn out a resistor on SSM board eventually and will have no sound at all.

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1 Answer

My Viewsonic vt2430 is "locked", a feature which supposedly prevents people from changing channels - since these tvs are frequently used in hospitals. When I called the company they said that it had to be...


I had the same problem and could find no good info online so I did some playing around (and talked to ViewSonic Techs). Button lock can be set/reset by holding down both the up and down volume buttons under the screen at the same time. Menu lock works the same using up and down channel buttons.

Feb 16, 2010 | Projection Televisions

1 Answer

Screen went blank but still has great sound.I can't even see the channel display number and it also has a chirping sound. The sound is great and all but no picture.Does this type of tv use a lamp or...


Here is th elink to Philips support page fro your TV.
Turn on the TV, if it is working you should see the light of the back light lamp. If you are changing channels and hear audio from different channels it is a good bet you lamp is open.
http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=60PP9202/17&slg=en&scy=US

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1 Answer

My tv is changing channels on its own and when i turn the tv off, it turns back on...seriously.only way to stop it is to unplug the tv.


Hi,
Though you have not mentioned model and brand of your tv so I can offer a tip only here.
Check in what order tv changes its channels, like if its in forward order, +Preset or +Channel knob would be stuck. If its changing in reverse order, check -Channel knob at front of tv.
Hope this info would be helpful.
Thank you.

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1 Answer

Please help...hubby misses TV


take the front speaker cover off and unhook the circuit board for the buttons its like a 7 pin connector our's did the same thing and we spent 200.00 getting boards soldered just to bring it home and it still flipped thru channels and then shut off. I took the circuit board off and it works fine.

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