Question about Projection Televisions

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Flat Screen HDTV

This is not a projection type tv. It is a HD Flat picture tube type. Heavy as hell! Only 3 years old. Why would it simply stop working and then start up again a few hours later? Do these types of units overheat too? It is not in an enclosure.

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Yes, this kind of unit overheats too, your TV has inside several chips that produce heat, and therefore the TV board has a couple of termic sensors detecting temperature from main cpu and other chipset. When it turns off approximately after the same time, is either overheating or a bad power adapter.
Bacio le mani.

Posted on Jul 30, 2008

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2 Answers

I need a picture tube for my 50in.Sony t.v . I live in central MI. Need to know where & how , to buy & fix the pic.tube Thank You...


projection screens dont use tubes,a 50 inch tv tube will cost 1000 a new flat screen tv is alot cheaper,buy a flat screen hd ready tv

Apr 16, 2015 | Projection Televisions

1 Answer

Rear proj TV picture keeps blinking out


comon sony problem Sony has and Ik circuit tha is suppose to not allow video in there is an uneven emission from the crts what you have on both sets the tube are getting so weak causing the circuit to kick in and out in other word you need crts inboth set and they are not avail new you can have them rebuild but the set will never look good again time to retire them

Dec 01, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

The screen looks out of focus and the top and botton bend inward.


Remove front bottom panel behind it is a small black control box top controls are focus controls for R/G/B and Bottom 3 controls are your screen drives adjust one at a time turn off G/B adjust red first,then Do Green and Blue fter adjusting focu to each tube leave them set then adjust screen drive turn color off adjust RGB for a Black and white picture get as close as you can then turn color back If after doing this you still have blurry looking picture look down into Tubes you should be able to see picture clearly in each one if you cannot see picture then projection Fluid need to be changed out. Call Mats 1-800-628-1118.

Sep 26, 2009 | Sony KP-53S65 53" Rear Projection...

1 Answer

Our Mitsubishi WD 52525 goes to blue screen and shuts off.


It sounds like you TV is overheating and the video is suffering and the lamp is overheating as well. Also, if your TV is over 2-3 years old, the mirrors (behind and below the big front screen) desperately need to be cleaned. Clean all filters and fans as well. (Look on side and behind the unit). Is the TV in a "hot" environment and/or dirty environment? DLP TV's are NOT sealed units. They need to be cleaned every few years to work well to have a good, clear, bright picture.

Jun 24, 2009 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Sony 52 inch hd widescreen projection tv


You need to pull the top back off be very carefull that you do not break mirror clean mirror and all 3 tube lenses this should make a diffenrents in picture.

Feb 19, 2008 | Projection Televisions

1 Answer

3 images in different colors-42 in Sony projection


So this is a rear projection TV.

Chances are the tubes are out of alignment. When cleaning or anything never move the tubes as it will be hell to get em back properly.

In the back you can take off the rear panel and move the tubes to partially re-align the picture.

This is generally followed by a model specific procedure using the remote to bring up alignment grids to finalize the picture alignment.

The reason for the 3 colours in the picture are that the rear projection units use Red, Green and Blue tubes to create the one colour picture.

All in all... When I messed mine up it took about 2 hours to set it straight again.

Now I just have to fix my flashing screen problem and i'm set.

Feb 16, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Sony 46" Rear Projection HDTV Bad Picture


Hello, I also have the kp53xbr45 and I am looking for a red bulb, where can I find one at a good price? Thanks

Feb 09, 2008 | Sony KP-53XBR45 53" Rear Projection...

1 Answer

Toshiba 46In HD Rear projection TV Vertical lines on screen


We also have vertical lines with our JVC 62"... turning it off and letting it cool down is the only solution. For us, we know it's a problem with heat. We simply are wits end on fixing it. added two additional fans, a exterior fan to blow heat away from the back of the tv, pulled everything else away, etc.... Anyway, goodluck.

Dec 24, 2007 | Toshiba 46H83 46" Rear Projection...

1 Answer

Convergence


Color tubes are OK. Do not adjust. The issue at hand is called
convergence alignment.The repair involves-------
1)Pull chassis
2)Replace convergence IC's
3)Recheck alignment
work should be done by a skilled technician........T.

Oct 24, 2007 | Philips 60PP9202 60" Rear Projection...

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