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Re: help me pls1
Sounds like off air signals are quite strong where you are. If the issue happens when connected to cable tv only, then I suspect that you have a bad splitter/ground block or the fittings outside are corroded. Call the cable company to have them fix the issue as the tv in almost all cases isn't the issue.
Ok two things here, if it a realy old tv, check and see if it has a vert control knob that you will use to adj the vertical rolling.
are you on a cable box? if so bypass the box and plug the cable directly into the tv bypassing the box, if this works box bad get exchanged.
2nd if it is a new tv, try this, when putting you cable to the tv do it slowley and watch the tv, as the cable gets close to rf imput on tv dose the pix get clearer untill to cable is pluged in all the way? if so you have agc overload and the simplest way to fix this is get a antenuator, this is a small screw on device that will cut the siginal streght down and will stable you picture.
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Connect ANTENNA OUT of STB to antenna terminal on rear of TV OR, for better picture, connect 3-wire cable to color coded L AUDIO, R AUDIO, and video outputs on rear of STB and connect other ends to L AUDIO, R AUDIO, and video inputs on rear of TV.
If STB connected to antenna terminal of TV, set CH 3/4 switch on rear to whichever channel is NOT used in your area.
Connect antenna to ANTENNA IN of STB
Connect STB to power and use STB remote to turn on
Turn on TV
If STB connected to antenna terminal of TV, use TV remote to select channel 3 (or 4).
Use STB remote to select SETUP and perform channel search.
The fault you describes is due to low signal strength. If tuner of the said TV is faulty, this type of snow interference will occur too. Just check for good firm connection to its antenna terminal. If it is Ok, check the continuity of the cable used with antenna. Check the orientation of yagi antenna if used outside. If all are OK, and nothing help you, just replace its tuner with same type and number. Tuner is a small metal box type component can be seen soldered directly to the main printed circuit board inside. Usullay, its one terminal will come out as antenna IN of the TV, to which you connects the external antenna or cable. You must have a concept of soldering and desoldering to replace it, and must have a knoledge in electronics too. OK.
first thing I would do is to make sure your cable box is turned on. if not fixed, make sure you have the correct input. this can be done by viewing all the inputs that the tv has by pressing the input button on your remote until you find a picture. if it is still not working, make sure you have you cable run right. there should be one cable running to the cable box and into the port labeled antenna or input, then anouther labed cable running from the output port to the tv. there might also be a vcr or dvd play inbetween. if that is the case, the cabel running from the cable box should go to the input of the vcr or dvd play and the output line should go to the tv. any equipment inbetween the cable box and tv should be turned on when viewing you cabel tv. you will also have to make sure that any equipment inbetween is running off the cabel input.
If you are using an antenna or regular cable without a cable box, put the tv on an analog channel. Go into the menu. Select the middle icon at the top of the screen. Go down to the TV/CABLE line. Select either TV (for antenna) or CABLE (for regular cable) on the right. Go down to AUTO CH MEMORY and press the volume+ (right arrow) button. Wait for the channel search screen to clear. Check all of your channels using the channel up button until you come back to the channel you started on.
no rocket science here - my son fiddled with the cable cord attachment, until presto, the screen became sharp. Then we moved away as fast as possible, lest we shifted it and it put us back at square one.!!
Your tuner (in the tv menu) is probably still set on "cable", but it should be set on "off air" or "antenna". When you first turn it on, it looks for a cable signal and when it can't find one, it automatically searches for an "off air" or "antenna" signal. Once it finds a signal, then it stays on and runs ok. If you shut it off, then it has to go thru all this again.
There is a very high probability that this is your problem (about a 99.99% chance). Just go into your menu and select "tuner" or tuning or "input select" or something in that "neighborhood". Different TVs call it different names, so just put in on the option other than "cable". If you ever get cable back again, then, of course, you have to go back into your menu and set the tuner to "cable. Hope this helps.
You should have two antenna inputs A & B. Most commonly the RF or TV output on the back of the cable box is connected to antenna A and the TV has to be set for channel 3 or 4 depending on which station is not available in your area. If you don't get a picture on 3 or 4 then switch the cable box to antenna B or find the switch on the remote that allows you to remotly switch antenna inputs. If your TV has a connection that says "cable out" don't use that one as that is for a more complex setup. I hope this helps you.