I have noticed recently that mytelevision screen would skip for a little while when I first turned on the tv but would soon right itself. Lately, it has become progressively worse and I cannot figure out how to fix it. I do not have the original remote anymore and I have had cable installed on the television since October. I am not sure if this is a problem with the television or the cable. Could you offer any advice on how I can fix this problem?
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rolling of picture can be controlled by v.hold or vertical hold on your tv. some tv has has this control on the back side. if the control is there & it is not controlling the rolling of picture, that means the control is bad & needs replacement. to get ch 3 back: go to menu & try to find SKIP function, go to ch 3 & put off SKIP.
this is a chennel SKIP fuction . set any ch. to out of the tv memry .so you are reset this ch. pls open tv menu sysem and select edit ch. function .
if your tv ch.no.4 is blocked [skip]. set edit ch no:4 see this ch. is SKIP ON if yes then reset to v- or v+ [or arow key] to set SKIP OFF see this ch. no:4 is view perfactly
if your problum is not solve. pls infom me with your tv brand name and Model no.
Enter "3" or "03" on the remote and press OK/Enter. If the channel-skip feature is set on for Channel 3 you cannot get to it using the up/down buttons. Go to the setup menu to disable the channel-skip for Channel 3 if you want to tune it with up/down buttons. If you have no remote you should be able to access the menu from buttons on the front of the TV. (They may be inside a door or panel.)
When a commercial comes on, you press the "Commercial Skip" button on the remote. Then you see a 30-second countdown timer appear on the screen. If you think there will be more than 30-seconds of commercials, then press the button more (each time you press adds 30 seconds to the on-screen timer -- usually I press it 4 to 5 times). The timer stays counting down on the screen while you change channels during the commercials to see what else is on. When the timer counts down to 0, it is erased from the TV screen and the TV automatically changes you back to the channel it was on when you pressed the commercial skip button. I use this feature a lot! I wish all TV's had it built in. Some universal remotes have a similar (but more awkward feature) where the remote has the timer inside it, and it sends a signal back to the TV when the count is up, but I don't think this would work as well.
Sounds like you're blessed to have a tv like that!
Some sets have settings that will cut down the sound during a commercial. Haveyou looked at your owner's manual? This tv may have setting to cut out the picture also when commercials come on.
From a technical view point generally commercials have stronger signals than regular programming. This may be overloading your set.
If this is the case, then you need to have it checked by good technician. A poorly operating power supply (not regulating properly) could possibly cause a problem like this. Also automatic gain control circuits could be not working properly.
If by saying the "aspect ratio changes" you mean the picture shrinks from top and bottom, I would suspect an intermittent short inside one of your picture tubes. The commercial skip function is not causing a problem here. It is the rapid change from dark to light that I believe is putting an extra strain on a weak or defective picture tube.