Question about ViewSonic NextVision N2010 20 in. LCD Television

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Channel changes automatically

Channels changes continuesly. from channel 2 to 60 in less than 20 seconds or so, very fast. I thought remote button is stuck but I removed the batteries from the remote and operated the TV manually with the same problem.

I can change the source to DVD and play DVD movies with no problem. Only when I am in the TV mode, channel changes automatically. Sometimes it stops at a certain channel randomly for few seconds to minutes and does the same.

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There are a few things that can cause this. #1 most often cause is either something spilled on the channel button or something wrong with the bezel where the buttons are located causing the button to be pressed all the time. Check the buttons on the tv and make sure none of them are stuck. #2 is a bad button (switch). Replace the switch or the control board. #3 is a short on the wiring harness going from the switch to the mian board. Maybe it's squished against the frame somewhere. #4 would be a bad main board. You will likely have to take this unit to a service centre to have it looked at.

Posted on Nov 26, 2008

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My panasonic TC-21S15R tv some time auto channel change and blue screen.

Posted on Apr 21, 2010

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1 Answer

Froze


To see if the problem is with your remote control, go to the receiver and use the channel up/down buttons on the receiver itself. If you can change your channels with the buttons on the receiver, the batteries in your remote control probably need to be changed.

If you can't change channels from the receiver, turn off the receiver. Then unplug it for at least 15 seconds. Plug the receiver back it and turn it on. Again, try changing channels from the receiver itself.

Tune to a channel, and while programming is playing, try tuning to the missing channel by entering the channel number on the remote control keypad to see if channels change. Do not try to select the channel from a channel list, program guide, or favorites list.

If this approach takes you to the correct channel, you need to adjust your favorites list function. Press the "guide" button on your remote. Look for a button on your remote called "fav" or "list." Press it several times and watch for an indication at the top of the guide that you are moving from "all channels" to a particular favorites list.

If you are locked on one channel only, your Channel Lock feature is likely active. Consult your owner's manual to unlock the rest of your channels. See your owner's manual for information on managing favorite channel lists and locking out channels. Enter your password, if necessary.

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My television set is stuck on one channel....the audio changes with the channel but the picture stays blurred on one channel...whats wrong with it?


Lots of possibilities. If you are using the remote, try also using buttons on the TV to change channels. If TV buttons work, the remote is broken or perhaps try changing batteries and cleaning battery contacts on the remote. If neither work, lots of other things to try. You may need to set preselect channels, so your TV thinks there is only one channel out there until you do. If you are on a cable box you just need channel 3 and change channels on the cable box. I can't tell what you mean by "audio changes with the channel" ... if you mean that when you try to advance channels, it increases volume and moving down in channels lowers volume that would be strange -- if you are using a programable remote it might not be set correctly (try another programming code). The "blurred" picture is probably symptomatic of having the set on the wrong channel, and if you could set channel it might clear up ... I'd start with getting channels to change. If you need more help, give the brand and model of TV, say if you are using a remote (original or programable), and what the 'audio changes' comment means in more detail. Probably worst case is that your tuner circuit is fried, but don't assume that without more diagnostic.

Aug 29, 2011 | Flat Panel Televisions

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I have a Sanyo tv ( model #DS19330 ) and using a Sony remote to operate it. I am trying to restore channels 14-69 by scrolling through the channels with the remote. I can punch all channels in by...


It sounds like that the TV was set to skip certain channels. You need to rescan for channels or manually edit the channel list. To manually add channels, press Menu on the TV (or the equivalent key on the Sony remote if you found a code that works). Then use the Up/Down arrows (channel change keys) to select Ch Scan Memory + . Then enter the number of the channel (numerically or up and down arrows). Press + (volume + key) to change the setting from Deleted to Added or vice versa. Since you do not have the original remote, I'm not sure if the Sony remote will match the Reset key of the original remote. Unfortunately without that key being pressed twice, you can't reset the entire channel list and cause the channel search to begin automatically.

The manual for the DS19330 TV is here: http://www.sanyotv.com/DS19330%20%28ESF%29%203764--.pdf . (I'm assuming you haven't recently added cable after only receiving only OTA signals. If you have changed inputs like that, you need to go through the menu and change the source.) Menu > Cable or Air .

I hope this helps.

Cindy Wells

Jul 27, 2011 | Sanyo Flat Panel Televisions

1 Answer

Channel lock is stuck on


To see if the problem is with your remote control, go to the receiver and use the channel up/down buttons on the receiver itself. If you can change your channels with the buttons on the receiver, the batteries in your remote control probably need to be changed.

If you can't change channels from the receiver, turn off the receiver. Then unplug it for at least 15 seconds. Plug the receiver back it and turn it on. Again, try changing channels from the receiver itself.

Tune to a channel, and while programming is playing, try tuning to the missing channel by entering the channel number on the remote control keypad to see if channels change. Do not try to select the channel from a channel list, program guide, or favorites list.

If this approach takes you to the correct channel, you need to adjust your favorites list function. Press the "guide" button on your remote. Look for a button on your remote called "fav" or "list." Press it several times and watch for an indication at the top of the guide that you are moving from "all channels" to a particular favorites list.

If you are locked on one channel only, your Channel Lock feature is likely active. Consult your owner's manual to unlock the rest of your channels. See your owner's manual for information on managing favorite channel lists and locking out channels. Enter your password, if necessary.

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Put the HDLCD19WB on a channel. Press menu on remote. Select channel on the sceen. Press enter on remote. Select auto channel memory on the screen. Press enter on the remote. Use the right arrow button on the remote to set the signal type to air for antenna or cable. Select automatic search on the screen. Press enter on the remote. Wait for search to finish. Check channels with the channel up and down buttons on the remote.
If you have any digital channels you should have them now.
The dtv signal option in the channel menu is only available when tv is tuned to a digital channel.

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2 Answers

Vizio 32/DirecTV - slow to change channels


Some TVs switch faster than others, plain and simple. I went from a Sony LED to a Sanyo LCD TV and there's a world of difference between the two in terms of how quickly each powers on and how fast one channel goes to the next after inputting the channel number on the respective remotes. The Sony is lightening fast compared to the Sanyo. I have a Phillips LCD in a bedroom that takes a long time as well, like the Sanyo. Personally I think you get speed with either the LED (over the LCD) and/or it's related to the quality and associated price you've paid.

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CAN'T CHANGE CHANNEL MANUALLY AND REMOTE DOESN'T WORK


Hi again,

Many thanks for the wonderful review and the rating.

Good luck and kind regards.

Thank you again for using FixYa.

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9 Answers

Can't change channel using the remote or buttons on tv


Simple Fix

I had the same problem, couldn't change the channels with the remote or on the side of the TV. This was for a Vizio 37"

Here is the fix:

1. Turn on TV

2. With remote, press the Menu Button

3. Go to Antenna Menu

4. Select Auto Search
Let it search, it could take several minutes. It may not finish to 100%, mine got stuck at 79% for 10 minutes. It's fine if that happens, go ahead and cancel.

5. It should be done, your remote will work perfect along with the TV channel buttons.

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1 Answer

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if the channel change is going up the channel up button on the set is stuck or shorted. if the channels go down then its the channel down button on the set that is stuck or shorted. also check with the manufacurer for software upgrades.

Mar 09, 2008 | Flat Panel Televisions

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