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Only channels i can get 2 to 13

I can't get my tv to go higher than channel 13. how do i get these higher channels? it seems locked in the VHF mode.

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I cannot set up my tv, after it had cable. when i try the setup program the tv will not accept any channels and sap appears on the screen. i want go back to uhf/vhf, can somebody help me.


If you are in the US, there is no logical reason to go back to UHF/VHF as there are no broadcasting stations using the analog frequencies anymore. Those old tuners will not decode anything that is coming over the airwaves. Thus their channel scans will not detect ant channels, making you think there is something wrong. You would need one of the digital converter boxes sold during the transition period and then you will only get your local channels, much as you would have before.

Oct 03, 2016 | Televison & Video

1 Answer

Tuning problem KV-21CL10


try to setting your tv in menu! and you can see the menu has air cable tv mode then select the ADD or ERASE mode! you select all channels to ADD mode! or you can auto search the program!

Oct 06, 2007 | Sony FD Trinitron WEGA KV-21CL10 21" TV

1 Answer

What does RF CH mean?


What is the difference between a RF channel and a virtual channel? The RF channel is the channel that the TV station uses to broadcast its signal. Before the conversion to digital, TV stations were normally identified by their channel number, and most people knew that a particular network was on a specific TV channel. While analog broadcasting was being phased out and all TV stations were converting to digital broadcasting, it was necessary for the TV stations to continue to broadcast their analog signals on their original RF channels, and also broadcast their digital signals on a different RF channel. However, since the TV station used their broadcast channel as part of their identification, they wanted to keep using the same channel number. To allow this to happen, the new digital television broadcasting standards (ATSC) provided TV stations the ability to continue to use their original channel number and also tell the TV set to tune to the new RF broadcast channel when their virtual channel number was selected. The original channel number is called the virtual channel number, and it will be followed by a period and a second number (3.1, 7.1, etc.).
One of the benefits of converting to digital for the TV stations is that they now have the ability to transmit more than one program at the same time on the same RF channel. The number of additional channels they can broadcast is determined by the resolution of the program (SD vs. HD, text only, music only, etc.). The second number in their virtual channel number indicates that one of the additional programming sources from the same TV station is being viewed (10.2, 10.3, 10.4, etc.).
When selecting an antenna, it is important to understand the difference between the RF broadcast channel and the virtual channel. Antennas are designed to receive specific ranges of RF channels, and the antenna needs to be selected for the RF channel you wish to receive. TV stations broadcast in two broad frequency ranges, called VHF and UHF. RF channels 2 through 13 are considered VHF, and RF channels 14 through 51 are considered UHF. In order to pick up the channels, the antenna has to be designed for the correct frequency range. It is very common today to find that TV stations using virtual channels 2 through 13 are actually using RF broadcast channels in the UHF range. Although not as common, some TV stations using virtual channels 14 through 51 are actually transmitting in the VHF range. An antenna designed for only UHF channels will not work effectively for RF broadcast channels in the VHF range, and an antenna designed for only VHF channels will not work effectively for RF broadcast channels in the UHF range.

Apr 09, 2015 | Televison & Video

1 Answer

UNABLE TO GET HIGHER CHANNELS ON MY NEW DIGITAL BOX


If connected to cable TV it sounds like the VHF portion of your tuner in the TV failed?

Aug 14, 2009 | Philips Magnavox 20MT133S 20" TV

1 Answer

I get no channels wen i plug in my cable wire into the cable jack


Hello,

First, I would change the cable that comes from the wall to the TV.
Plug the cable into the cable port, then go into the menu of the TV. Go to the channel setting and go down to where it says "CABLE YES/NO"and change it to cable YES. Then try to re-autoprogram it.

If there are no channels found after that, then you may have an issue with the tuner.

Jan 07, 2009 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

No uhf with antannae


UHF channels are basically "line of sight" type signals. You need to be pretty near those UHF stations.
You need a Uhf or combination Uhf/ Vhf antenna to receive them - - Usually an out-door type.
Your TV needs to be set in the "antenna" mode to tune beyond channel 13 "air type" channels. Channel 14 is the first UHF channel if you're in the antenna mode. If you're in the "Cable" mode then channel 14 is a cable channel which is operating at a different frequency from UHF.
I hope this will help you!
Stargazer

Mar 21, 2008 | Orion STV2763 27" TV

1 Answer

I cant get the tv to go to higher channels


Most tv's have an Antenna mode and a cable mode. If you have cable tv service, the cable mode must be selected in order to receive channels higher than 23. Then you must auto program the channels thru the menu screen on the tv to receive the channels above 23. If you have a house antenna or rabbit ears, its hit or miss on receiving all VHF and UHV channels.

Jan 12, 2008 | RCA 20V500T 20" TV

1 Answer

Reception of vhf/uhf channels


You did not mention which set you have, so look for a small switch (usually on the back of the set) or go into the menu and set the TV to the "broadcast" or "tv" mode. If the set is in the "cable" mode, you will not get any UHF channels above 13.

Sep 01, 2007 | Televison & Video

1 Answer

Will not show channels below 51


The GE (actually RCA) 35GT690 uses the CTC187 series chassis. The tuner uses the VHF circuits for cable channels lower then 51 and the UHF circuits for the higher channels. This means that the VHF circuits have stopped working in your set. I usually find that this is caused by a defective U7301 IC in the tuner, the SIP IC labeled CXA1594L. This is a very difficult IC to change and all tuner ground solder joints should be resoldered too, so that should be done by someone with experience in the CTC187 chassis.

Jul 05, 2007 | GE 35GT690 35" TV

1 Answer

Channel set


Apparently your TV is set to the "standard TV" position. Before you auto program your set, set it to the cable mode and then do the autoprogramming. In the standard TV setting, you just get off the air channels 2-13 vhf and 14-83 uhf.where as in the cable mode you get vhf channels 2-13 plus your cable channels. Stargazer

Mar 17, 2007 | Daewoo DTQ-13P2FC 13" TV

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