Question TV screen turning off and on, most likely problem?

konjgl

Distinguished
Nov 26, 2014
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I'm asking because when i google i can't find the exact problem. My TV suddenly has a problem of the screen going on and off.
So i can see it works fine changing programs etc, you can hear the sound no problem. But with same interval the screen goes black then normal then black, lets say every second. Unplugged it did nothing, checked connections it's the same. It's honestly for no reason i just wonder what could the problem be. tnx
 
Solution
Make and model TV? Size? Age?

Likely a loose connection in some part of the video/display circuits serving the screen.

Or perhaps the circuit proving power to the video components.

And a loose connection does not necessarily mean a plug and wire.

May be a soldered component that through heat related expansion/contraction and or vibrations broke a bit loose.

Then makes and breaks connectivity at random. Screen going black as a result.

May or may not be directly shop repairable with respect to the component itself.

May be repairable, actually replaceable more accurate, with the applicable PCB (Printed Circuit Board) if the TV is designed to be so repaired.

Overall, buying a new TV may cost less than repairs.
I'm asking because when i google i can't find the exact problem. My TV suddenly has a problem of the screen going on and off.
So i can see it works fine changing programs etc, you can hear the sound no problem. But with same interval the screen goes black then normal then black, lets say every second. Unplugged it did nothing, checked connections it's the same. It's honestly for no reason i just wonder what could the problem be. tnx
Tell us a little about your TV's signal source. Is the signal coming directly from an antenna, or some type of cable or satellite box? If its a box, tell us about the cable connecting the box to the TV, and if you have the ability to test the cable or box with another TV or if the TV has other input ports that you could test the connection with. If its a box, have you checked with the service provider about having the box tested?
 

Ralston18

Titan
Moderator
Make and model TV? Size? Age?

Likely a loose connection in some part of the video/display circuits serving the screen.

Or perhaps the circuit proving power to the video components.

And a loose connection does not necessarily mean a plug and wire.

May be a soldered component that through heat related expansion/contraction and or vibrations broke a bit loose.

Then makes and breaks connectivity at random. Screen going black as a result.

May or may not be directly shop repairable with respect to the component itself.

May be repairable, actually replaceable more accurate, with the applicable PCB (Printed Circuit Board) if the TV is designed to be so repaired.

Overall, buying a new TV may cost less than repairs.
 
Solution

konjgl

Distinguished
Nov 26, 2014
84
2
18,535
Make and model TV? Size? Age?

Likely a loose connection in some part of the video/display circuits serving the screen.

Or perhaps the circuit proving power to the video components.

And a loose connection does not necessarily mean a plug and wire.

May be a soldered component that through heat related expansion/contraction and or vibrations broke a bit loose.

Then makes and breaks connectivity at random. Screen going black as a result.

May or may not be directly shop repairable with respect to the component itself.

May be repairable, actually replaceable more accurate, with the applicable PCB (Printed Circuit Board) if the TV is designed to be so repaired.

Overall, buying a new TV may cost less than repairs.
your explanation seems possible, because other tv works perfect, although i wonder what vibration did that because there was really none. Its in service waiting for estimate or whatever ty