Tv went to all snow, every channel while in use. turn off/on doesn't clear. I connect from wall, through a cable converter to tv.
Cable co. came, researched & pronounced cable, cable converter are good - problem must be my tv.
They even used my cable to connect to their portable tv & it looks fine.
Picture & sound are fine if use TV for watching DVDs.
I'm leaning toward the coax connector as culprit. Is it possible to replace that myself?
We have a 27" Hitachi TV. Recently, it has intermittenly been going from a perfectly clear picture to a gradually increasing 'snow' state with accompanying 'sssshhhhh' noise. The only way I have found to temporarily eliminate this is to literally smack the sides of the set with force! The snow either goes away for a short while or, sometimes disappears for the entire evening of TV watching. Any ideas as to what is causing this and how to eliminate it?
Did the cable person take a reading on the signal level at the cable outlet on the wall and did the cable person check the TV setting to make sure they are correct. TV could be set on the wrong channel also.
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If the cable box has an HDMI or video output, use one of them to connect to the TV instead. The female coax connector is not easily repaired and you can't reroute or adapt anything to fix it. You will need to replace the TV main board if the HDMI/video connection is not an option.
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory ResetF (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.
If your set is connected via the RF coax cable from a cable box, what may have happened is that you may still be selecting the RF input, but not cable channels.....you may now be linked the the old analog channels that were for over the air broadcasts. There is a menu option that selects the type of tuner that is used for the coax input.
This is quite simple. Your wall box is a male connector. The TV input is a female one. Make a cable with resp; female and a male connector. Unless the wall box has a 'screw on' connector. (FC10 f.i.) Then you need this special item and/or crimp tools in order to fit this FC type connector to the coax cable. Not simple.
1st, what kind of Tv Box ? with SCART Connector? or RCA Connector?
2nd, the recoder has a Scart connector or Females Rca connectors.
check for Video IN and L/R input Rca Connector
then use a Scart/RCA cable to connect DVD to TV Box.
tke the coax cable coming out of your cable box and connect into the coax connector on
your tv.put the tv on channel 3 and change channels with the cable box.if you do not have a cable box run thcable from the wall into your
tv and auto-program the tv.
It may very well be the tuner. If it has another means of connecting to the tv try composite or component cable. If that isn't possible try replacing the coax from the wall plate to tuner and from tuner to tv. This is if you have a cable box also called an STB in your home. If you do not have an STB try changing the coax from wall plate to tv. You may even want to replace the barrel on the wallplate as well. If the cable runs through the VCR disconnect it and run it straight to the tv and this will determine if the problem is in the VCR.
Hope this helps you out.
If your cable converter box has audio/video connections on the back of it,you don't need to worry about using that RF coax connector. Just hook it up the same way your DVD is hooked to the TV input jack. Get a 3-wire cable (yellow-red-white)hook it to the same colors on the back of the cable box and hook the other end to an unused input on the back of the TV. Then select that input with your remote and watch TV.
SOUNDS LIKE BAD SOLDER CONNECTIONS IN SIDE THE TUNER.
TAKE THE BACK OFF AND TRY TAPPING AROUND WITH YOUR DRIVER HANDLE THIS WILL LEAD YOU TO WERE THE PROBLEM IS.
THEN WE TAKE THE TUNERS APART AND RE SOLDER THE CONNECTIONS,BUT YOU HAVE TO BE VERY GOOD OR YOU WILL
MAKE MATTERS WORSE.