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Screen shakes and red lines go through screen?

When we turn the tv on..the screen shakes and red lines go through the screen..it clears up after a few minutes but it starts back at random times ?

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  • Televison & ... Master
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Can you tell me the brand and model number of the set?

Posted on Dec 04, 2012

  • 2 more comments 
  • valerie sarao
    valerie sarao Dec 04, 2012

    I know it is a hitachi 60 inch about 13 years old. I cant get to the model number right now..I will try later because I need to run to the dr with my daughter..Thanks : )

  • valerie sarao
    valerie sarao Dec 07, 2012

    Finally got the numbers you asked for..

  • valerie sarao
    valerie sarao Dec 07, 2012

    HITACHI MODEL NUMBER 60EX39B AND Serial number V9H004735

  • SD Tech
    SD Tech Dec 07, 2012

    ok, its a projection set that uses 3 picture tubes, if the problem looks at alll like the photo I willl attach you have a convergence problem



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Posted on Jan 02, 2017

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SOURCE: Red lines on Sony KP51HW40 Rear projection TV

Before you break down and have the tube repaired, it could be a faulty or mis-adjusted screen setting. These projection TV's have three individual CRT tubes. Each tube has a FOCUS and SCREEN adjustment on a block inside the TV. I have the 57" model of the same series of TV's and just had to do some work on it. If you remove the front panel and the small wooden panel behind that, you should see a block with 6 screw adjustments. On my TV the set on the right was for the red tube. The top screw adjusts focus and the bottom adjusts screen. Focus (as the name implies) makes the screen go in and out of focus. If your TV isn't blurry then don't touch the top knob. The bottom knob is SCREEN. This knob adjusts the brightness (power) of the tube. If this knob is turned up too high, red lines will start to develop across the screen. At first, they'll only be visible when the screen is black, but if you keep turning it up they'll become very visible. If you turn it up even higher the whole screen will become red. Running it at full power (the whole screen being red) will cause an electronic lockdown and shut off the TV (at least it did with the blue tube, I was playing with the knobs and accidentally made it turn all blue then click off. I waited a few minutes, turned the knob down, then turned the TV back on and all was fine again). What you need to do is simply turn down the bottom right knob until the red lines go away. Put the TV on a blank screen (all black, just having it on an unused video input works great) and then slowly turn down the lower right knob (red screen knob) until the lines go away. Then put the TV on a picture to make sure the red is still visible. Finally, turn off the TV and turn it back on and use it for a while (don't put it back together yet, but make sure the front panel buttons and LED's are connected). I had a problem where the TV gave me an error code 5 (AKB error, shown by the Standby light flashing in sets of 5). After some reading and experimenting I found out that it was giving me this because I had set the red TOO low. I turned it up until the lines showed up and then turned it just slightly until the lines just vanished (but no further down) and then reset the TV by going to the system menu (Display, 5, Channel +, POWER while the TV is off) and then pressing 8 then Enter (Factory Reset). If you simply follow my advice (don't turn the knob down any further than necessary, just to the point that the lines don't show) then you shouldn't get the error at all.

Posted on Jun 02, 2009

SOURCE: Red lines on Sony KP51HW40 Rear projection TV

This should be a very simple fix. The lines on your screen are call retrace lines. Basically you need to open the TV and the job is about 15 minutes to solve the issue with arched lines, either blue, greed, or red. There is a great how-to guide here: http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Posted on Jul 02, 2007

ladywinn
  • 5138 Answers

SOURCE: RCA D52W20 52" TV SHUTS DOWN AFTER A FEW MINUTES

you have a bad capacitor around flybackor neer by transformer.

Posted on Jan 17, 2008

  • 15 Answers

SOURCE: red light status

If the red light is the lamp light then the projector lamp is defective.
915P049010 If your model is WD-Y57

Posted on Jul 07, 2009

  • 1 Answer

SOURCE: LG 52SX4D turns off randomly.

My Lg 52"tv turn off and on

Posted on Aug 15, 2009

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Why does my 4year old Panasonic plasma flat screen tv have vertical stripes and will often not turn on but red power light blinks?


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
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My Toshiba 50H82 television takes about 30 minutes to clear up and during that process, it shakes.It becomes clear but still has wavy lines at the top of the screen which is about 6 inches.


Projection TV sets have two very common problems listed below.

Problem #1) Convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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Yes this is the color wheel that this tv has you would need to remplace the color wheel here is a web site where you can find it for a good price
www.discount-merchant.com


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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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2 Answers

Red lines on Sony KP51HW40 Rear projection TV


Yeah, seen that more times than I shoulda in the last 4 years. The red picture tube has a cathode to heater short. That means it's no good. That red picture tube is no longer availible. But all is not lost. There is a company that rebuilds those tubes reasonably. Most reputable tv shops will know this. The ones I've done cost around $450 out the door. One minor hitch is that with all the shipping involved the job usually takes about three weeks. That can be expidited but then the price goes up.

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