Problem is direct "ingress" of the terrestrial signal from the TV station (off-air) on to the cable along with the signal from the cable company. Typically caused by faulty/bad/cheap connectors and cables. If you are certain that the signal is clean from the cable company, then the best solution is to replace the cable in your home with good quad shielded cable, with good tight connections made. You could start by checking all "F" connectors top see that they are snug. An amp may increase the signal enough to overcome the ingress and help a bit, but it usually just amplifys the same signal.
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Your CRT television, if it was manufactured before 2005, likely cannot receive off-air channels, and many cable companies do not provide analog channels any longer. Your cable company may offer a converter box to accommodate your old television.
If this TV is connected to cable TV and you are using a cable box then the cable system is at fault. If you are connected to cable TV with no cable box then look at the pictures on other TV's in your home if you have another TV. If they look fine and are small enough to move around. Move the TV and connect it to the cable outlet where this TV is connected and then examine those channels again. If they are grainy then a call to the cable company is due. They can use a signal checker to see what the signal levels are at that outlet for any given channel range.
Somewhere along the line from the aerial there must be a signal splitter that feeds the upstair and downstair terminals.
Try to find that splitter and switch the output to see if the problem goes from up to downstair.
If it does switch then you know the problem is with the splitter block, and if it stays the same then the problem is with the cable and/or the connectors that run downstairs.
Also the reason you get a pixellated(snowy) picture is because of signal loss during the length of the cable you ran downstair.
If running a cable downstair becomes the best option to fix your problem , then you could buy a cheap 10db signal booster/r.f amplifier to correct the signal loss and a cable splitter to feed both tv`s
That booster would be installed upstair in your case(near the source of the signal to be amplified).
I could send you a small diagram if need be.
Hope this will help and Merry Chrismas
I assume you have cable. The cable HD and digital channels are usually sent in Quadrature Amplitude Modulation (QAM). The cable companies are required to send local channels in the clear but not so for any others. Regular (basic) channels may be clear or scrambled. USA many not be but HBO will be.
So you have 1 of 2 problems: (1) your TV does not do QAM or (2) they have scrambled the channels you want to see. Questions: (1) Have tried direct Over-the-Air (OTA, ATSC) reception for your locals? (2) Can you see the HD local channels on cable? (3) Are you paying for an HD box from the cable company to have the channels decoded? If in doubt contact the cable company.
Current Samsung TVs do do QAM and OTA HD. Alternatives are Dish or Direct to get satellite with an HD receiver using HDMI or 5-cable RCA. Costs are comparable but OTA wins, hands down.
If you are on cable, first run the cable wire from the wall directly to the TV, eliminating any cable box and/or VCR. If channel 2 is snowy but the rest (especially 3-6) are clear, it is most certainly a cable problem and not a TV problem. The TV uses the exact same circuits for channel 2 to 6 (VHF-LOW) so if the tuner was bad and 2 was snowy, 3, 4, 5 and 6 would be snowy too. Bring a second TV into that room, disconnect the cable wire from the RCA and connect it to the second TV. Is channel 2 on the second TV as snowy as it was on the RCA?
It sounds like a problem with the tuner in the TV set. Hook up a VCR through the video inputs and hook the cable through the VCR and if the picture is still snowy, the problem is the cable. If the picture is clear, the problem is the tuner in the TV set. If you wanted, you could simply leave the VCR attached to the TV set and change cable channels through the VCR, or have the TV serviced. Good Luck
no they are not related. ur tv seems to have a defective tuner(inspect also for possible cold solder inside the tuner). remote control can be clean using a cotton swab with a little isoprophyl on it. clean the contact on the pcb.