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scanning using deflection coils driven with sawtooth current waveforms to fill screen with closely spaced lines and modulating beam current to produce variations of brightness. color is a bit more complex as it uses three beams to vary brightness of three colors of phosphor: red, green, and blue along with a thin steel shadow mask to ensure that only the right beam hits the right color phosphor dots.
What else can I help you with?
Why is your RCA tv showing two pictures and redness in picture?
It's possible the screen is damaged, or a tube has gone bad (is this an older tube TV/ not an LCD/Plasma/LED?).
What are the old tv's with the big back on them?
Those were picture-tube TVs. The picture tube was almost as long as the TV screen was wide.
Do the magnets in a television make the picture?
No. Or rather, it's a lot more complicated than that. Magnets are important in a cathode ray tube style television, but they don't "make the picture". The picture shows up as a result of an electron beam hitting the phosphor-covered inside of the tube. The magnets are used to steer the electron beam. In an LCD or LED type television, there are no magnets and an entirely different process is used.
What is a good sentence for component?
The picture tube is the main component of a television set.The picture tube is the main component of a television set.
Does leaving a TV on in power save mode damage the picture tube?
It shouldn't. If there is no actual power to the CRT (no picture visible) then there really can't be any degradation of the tube.
How much does a picture tube cost on a tv?
A replacement tube (if it is available) is likely going to cost almost as much as the whole television. If you need a new tube, it's time to ditch the tube TV and get a flat screen.
What is monochrome TV?
Monochrome generally indicates a black and white picture.
Can a television cause an explosion?
Why not!Smashing the face of the picture tube will cause an implosion.
What causes a slanted tv picture?
If the deflection yoke is rotated it can cause a slanted TV picture. The deflection yoke is located on the tube neck inside the TV.
How do you know if the TV tube is going?
Dim picture, slow to get bright and the white part of the picture turns kind of negative looking.
What would it cost for a green picture tube for a 51 inch sony TV?
boobs
How can you tell if the picture tube is going dead on a 15 year old Panasonic tv?
panasonic? 15 years?,,,,,,,,,,,,, I am sure the tube is going out.
