Question about Mitsubishi WS-48313 48" Rear Projection HDTV-Ready Television

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Red arcs then screen turns red then shuts off

I have this tv and it goes fine for random amounts of time and then the screen has a few red arcs on the screen and then it gets gradually more red and then all red and then the television turns off and then after a min or so we turn it on and it does the same thing. we changed the inputs and it does it on all the inputs. any help would be greatly appreciated

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Re: Red arcs then screen turns red then shuts off

The green gun is bad and will need replacement..

Posted on Oct 19, 2007

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My KP-51HW40 clicks off after running for a period. The red power light blinks when it goes off but screen stays dark. When TV is shut off for a while it restarts and runs fine. The "On"...

KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down.
This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color.
Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair.
Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv.
Hope these info will help you.
Let me know if you have additional questions.

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Toshiba 60 in projection tv picture goes out. the screen is black. unplugged until red light goes out, then restarted and picture comes back fine. until it happens again. 3 times in about 15 min. it...

the unit is developing whats called a "cold solder joint"...have it resoldered before it becomes a burnt out section of printed circuit board if it starts to arc...

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1 Answer

Red screen and lines, then TV shuts off automatically

Adjust RED screen drive down, or disconnect,unplug CRT board from red tube turn set back on if it plays without shuting off RED tube is shorted or video IC on CRT board is bad.

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LG 52SX4D turns off randomly.

My Lg 52"tv turn off and on

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1 Answer

Sony rear projection screen is red then tv shuts off

Can be 1 of 2 things. 1st the red tube just needs the voltage to it turned down. In the front of TV (you have to remove the lower front half of TV to access it) is a plastic square with 6 knobs. The from left to right top knobs control focus for blue,green red. The bottom knobs control voltage to each tube in same order (so lower right knob for red) turn SLOWLY to left to reduce voltage until excessive red and lines go away. If you over turn left or right set will turn off. If that does not fix it or if lines reappear then option 2 is that red picture tube is failing outright and needs replacement.

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4 Answers

Green flashes then tv turns off

or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.

Aug 23, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Red screen

sounds like a picture tube problem its a problem that probably cant be fixed only by a professional

Nov 30, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Screen goes black and turns off

sounds like something is over heating.
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Sony 57 in Rear Projection TV

If the picture is playing fine and you notice that the background is getting more and more red, until it is too red and the set shuts down, it could be that the red screen control is set just a bit too high. If this is the case, you can probably correct this yourself. If you are watching a perfect picture and then it suddenly flashes a very bright red, with thin red lines in the pictureand then shuts down, it usually means that the red picture tube has developed a short in it, between the cathode and heater. A good tech might be able to remove the short by arcing, but if the short persists then the red tube will have to be replaced. Either way, this is something that should only be done by a qualified tech.

Aug 27, 2007 | Sony KP-57WS500 57" Rear Projection...

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