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My sanyo tv comes on I can here sound but its blue

I have a 65 inch sanyo tv and every once and a while i would have to turn tv on and of till picture comes. I would have sound but a blue screen. Now the screen just stays blue but i have sound

Update (05/28/2018)

Im sorry its a sanyo fx65d25t and i cant see the input lil screen in the corner any moore but i did flip through untill i heard sound again its not the same blue as when the dvd plays but its blue

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Is that the same as an inverter or pwer board

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Im sorry its a sanyo fx65d25t and i cant see the input lil screen in the corner any moore but i did flip through untill i heard sound again its not the same blue as when the dvd plays but its blue

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@lakisha3336 a complete blue screen would mean that you are not getting a video signal. You need to try every video input to see if it is the same for all different inputs. That would be a main board issue. Since you did not give us a model etc., we can't provide a whole lot of information regarding the repair.

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Check the voltages on the FRC module’s 1117 regulator. (the regulator is the three legged device just up and to the left of the big IC) The reading should be from top to bottom with respect to chassis ground.

.6v

1.8v

3.3v

If t=he bottom number is not right, either the Main board is bad or check all the power supply voltages.

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