Question about Vizio GV42L 42 in. LCD Television

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Start up settings.

I began set up on my TV without reading manual later to find out that If i have a set-top box i am to skip the antenna/cable sellection. So I selected cable and know cant get channels to change. thank u

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Go to main menu and do a rescan for channel.

Posted on Feb 17, 2009

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The analog tv picks up a lot more stations and correct channels than the LED TV. Is it possible to set the Insignia LED NS-19E320A13 to analog? Is there a device available?


.YES IF ITS A DIGITAL TV U WILL GO TO MENU GO TO ANTENNA CHANGE FROM DIGITAL TO ANALOG OR AUTO ENTER THEN SEARCH ANOTHER WAY GET AN ANALOG TO DIGITAL SET TOP BOX FIX YA ANTENNA TO IT CONNECT TO TV BY HDMI.OR AV CABLES GET THE SET TOP. ON GO TO SCAN OR SEARCH AND YOU WILL HAVE ANALOG CHANNELS ON YOUR LED TV

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Do i need a digital set top box for conia cpdp4290 2007 model in australia


possibly yes but check what your input is set on to get antenna signal it can not be set on cable either AIR or antenna.

Jun 17, 2015 | Flat Panel Televisions

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How to program channels


go into settings and then rescan for channels

May 07, 2015 | Flat Panel Televisions

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I don't have signal on my tv and there are no program's to watch as they are all blank. Is just a brand new tv I bought like 2 days ago


What make and model of TV do you have? What is your signal source (OTA (indoor or outdoor antenna), cable, satellite)? How is the TV connected to the source?

The model is important since some "TVs" are actually only monitors and do not have tuners. Then you need to connect to a set top box to watch anything.

Assuming the TV has an ATSC (digital) tuner for OTA, check that your antenna is pointed in the correct direction for the stations in your area. Use antennaweb.org or tvfool.com to identify the direction. Antennaweb assumes an external antenna and gives a very conservative list of stations. TVfool tells you the type of antenna needed to get any station (assuming no trees or tall buildings that might block the signal). Depending on your TV, you will need to enter the menu in order to correctly set the incoming signal type and scan for channels. Digital signals are either enough for the tuner to interpret or not available. If your signal is split between several TVs you may need an amplifier to get enough signal. Sometimes, the amplifier may fail and filter out all stations in certain frequencies. (Older TVs often only had a NTSC tuner; there are very few NTSC stations still broadcasting. They are low-power and thus you may not be able to watch them if they are far away.)

If you have cable without a box, which type of cable signal is coming in? Digital cable is QAM and not all TVs have a clearQAM tuner (that reads the unencrypted signal).

If you are using a set top box, make sure to set the TV to the correct input (HDMI, component video, composite video, coax and the correct number if there are multiple inputs). Make sure that the box is also on. If the set top box requires the TV to be set to a specific channel (3,4,60), make sure to go to that channel.

I hope this helps.

Cindy Wells
(For the US, the digital OTA tuner is ATSC and QAM for cable. In other countries, different signal formats are used.)

Oct 22, 2012 | Flat Panel Televisions

1 Answer

My panasonic viera has just stopped working. I can play a dvd but not watch tv, It says no signal. I have checked all leads and none are loose. It worked yesterday!! What is wrong with it? Please help


What is your TV source? Is it OTA, cable or satellite? Do you use a set top box or a direct coax cable connection? If you have OTA, what antenna do you use?

Try the following depending on your setup:

For all, check if a lightning/surge protector has taken a surge and needs to be replaced. These are placed in the coaxial line to divert a surge that could destroy your electronics. Also try replacing the cables. Check exposed cable for damage.

For OTA, first check that your antenna is oriented to point to the transmitters in your area. (Outside antennas will sometimes turn in the wind; indoor ones can be bumped.) Try a new coaxial cable. If the antenna has an amplifier (or you use a splitter with or without an amplifier), try connecting the cable directly without the device. I've had several amplifiers fail and turn into signal filters (blocking all of the signal).

For any system with a set top box, make sure that the box is on. For satellite, make sure that your dish hasn't moved out of alignment.

To check if it is the Viera TV tuner or the incoming signal, try another TV at the same connection. If you have cable and another TV gets no signal directly connected to your incoming connection, you may need the company to fix the incoming cable. (Underground cables can be damaged by rodents or neighbors who dig without checking for utilities.)

I hope this helps.

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How do I connect the set top box to analogue television


What type of set top box? What outputs are available on the box and what inputs are on the TV?

For a basic OTA digital to analog converter, you put the antenna coaxial cable to the antenna in of the box. Then either connect the coax out to the TV's antenna in (set the tv and the box to Channel 3 or 4) or connect the composite out to the composite in of the TV (set the TV to the AV source).

For a set top box that has a composite out and a TV that only has a coaxial input, you need to add a RF modulator. Something like this: http://www.radioshack.com/product/index.jsp?productId=2103095 . If you have a composite input on the TV, use the composite cable directly; the modulator will decrease the signal strength.

There are other converters for component out to composite video. See http://www.svideo.com/ypbpr2svideo.html . Going from a digital source (HDMI) to analog can be done but the resulting signal is poor compared to the original. Also DHCP content will not be transferred. See http://www.gefen.com/gefentv/gtvproduct.jsp?prod_id=5280 for an example.

I hope this helps. Please add a comment with the specifics of your set top box and tv for the best choice for your situation.

Cindy Wells

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1 Answer

Cannot get it to change the channel to recieve cable from the cable box. it says it is on channel 2.1


If you are using the channel up and down buttons, sometimes it will skip channels. Try manually putting in 03 using the remote to change to channel 3. Also make sure that in the TV menu you have the TV set to Cable instead of Antenna.

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Hello, I am currently having a problem with my Audiosonic KM0767 Standard Definition Set Top Box. When we first bought it we wired up all the plugs and it worked great. We then moved onto Foxtel...


did you switch the TV's incoming signal to digital antenna? For the cable box it was probably set to cable antenna or analog inputs, not all TV's have automatic switching for antenna feeds. My Mitsubishi has 1 digital and 1 analog antenna input and the cable box will only work through the antenna input if it's the analog antenna input and it's tuned to channel 3 or 4, -(or through a seprate HDMI, PROSCAN, SVCR,or a yellow RCA plug input)- and when the analog antenna input is selected the TV will tune all analog cable channels that the cable service offers if a box is not used. likewise the TV will not tune any channels at all if it's set to digital antenna inputs. It will tune all local channels only when set to digital antenna inputs.

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"Failed to receive broadcast"


On your TV remote,press "INPUT".It is hard to find,but it should be there.Select"TV" and press"ENTER" button.I believe it is on the top of the list.On some cable boxes you have to select channel 3 and use the cable box remote to change channels.Also,make sure your TV antenna setting is set to "Cable" from the "Air/Cable"(Antenna setting).You will have to read your manual to find out how to get to this menu.After that do a "Ch Search"[Channel search].This automatically searches for all available channels and stores them. It will take some time.You will see the channel numbers as it does it's search.This is done so when you press channel up and down keys it will only go to next channel available and not to one with no signal.Hope this is of some help.

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Everything on the TV works EXCEPT live TV.


Please clarify a few things. Are you using cable TV, satellite TV or a TV antenna? If cable, are you using a set top box (and is it powered on) or does the TV convert the cable info. If satellite, is the set top box powered on? If off the air (antenna TV), can the TV receive the new digital signals and if not, do you have a digital converter box between the antenna and the TV?

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