Question about Hitachi 52LDX99B 52" Rear Projection Television

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Green lines through out the screen

I have these swirly green lines in my picture. is it the tv, or a cable hd box problem?

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  • Hitachi Master
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Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
green lines through out the screen - 701cb04.jpg
77ea520.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should begreen lines through out the screen - 2c07611.pngThis is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Posted on Mar 15, 2009

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  • Master
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Bad green tube

Posted on Dec 05, 2007

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6ya6ya
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Posted on Jan 02, 2017

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1 Answer

Green and Red (thin lines) across entire screen [JVC 70 G886 HD TV]. Screen went to all green (wide and thin) within 1/2 hour and picture hasn't come back. "Input selection" box is visible and clear...


Try a "hard reset" first by unplugging the set for 30 seconds. and if no help, you may have a problem with the SMPS power supply, it might have a bad capacitor or two by now. Worth repair if engine is good compared to a flat panel.

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We bought a used Philips 42" flatscreen digital TV with no remove and hooked it up to our cable box. It works beautifully but we have not able to reset the screen size using the side buttons and menu...


Yes there is a trick. Usually the cable box and its remote determines the picture's screen size. First off, this television is able to display hd on an hd cable box. Make sure that this cable box is connected with this television the hd way only. It should only be connected to your television with either a component (green,blue,red, white, red) cable OR and hdmi cable. The coax cable should not be used to connect the cable box to the television if you have an hd cable box. Next make sure the television is on the proper input/source to display the cable box in hd.

Now if all of this has already been done, look for the hd zoom # button on your cable remote. It is usually towards the bottom. When you press it you change the screen size. You can buy a philips remote-the original one for your television at http://www.replacementremotes.com if you need the wide/stretch/zoom/viewmode button to further adjust your picture size.

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unplug your cable box and your hdmi cable from the back of cable box and reboot it..its the cable box not the tv..I'm just a mom ..sometimes we think outside of the box ..no pun intended!!!

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We need to narrow things down . If you have a dvd player that has an HDMI output plug that into the HDMI input of the tv with a diffent cable than the one for the sky box. If color is still green then the main board on the tv is bad. If the picture is good then Either the cable used for the sky box is bad or the sky box is bad.

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On a LX2R to remove the green bar at the bottom or the blue bars on ths side using the sky HD box go to menu and the pip menu at the bottom of the list, access input and make sure the HDMI input is on DTV and NOT PC.

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Green and purple vertical lines on TV - no picture


Do you have a Motorola HD Digital Cable Terminal? And does this issue only happen on NON-HD Channels?

If so, it could be the digital box settings caused by a firmware upgrade by your provider.

If this is the case do this
  1. Go up to the front of the cable terminal
  2. find the menu and power buttons on the left hand side
  3. Make sure both your TV and Cable terminal are ON
  4. Turn off the digital cable terminal wait 1 second then press menu
  5. You should get a white screen
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Hope this helps

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1 Answer

Input 6 - HD Input - Green Screen. Audio Only. No picture.


Hi there,
I am having a similar problem with the inputs. I have a cable box plugged in to cable antenna, DVD to video 6 using HDMI, Mac computer plugged in to video 7 - using HDMI (TV does not recognize this) and then Nintendo Wii hooked up to Video 1. My problem is that Sony only realizes 2 additional components like the video 1 (wii) and DVD on video 6, it does not play the other components. I have to niw manually switch the cables to have them work...

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1 Answer

KP-53HS10 Real HD


On this TV there is only one input for any HD resolution. Input # 5 is the component input i.e. red/green/blue cable. Just get the correct cable and match colors from cable box to TV this will allow the TV to display 1080i resolution ( only one this TV supports ). FYI you will also have to connect the red and white cables to the appropriate inputs to get any sound because red/green/blue connectors are just for video display not sound. Once your connected you'll be able to access video # 5 be sure to set your cable box to 1080i resolution also. I hope this helps later J.

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3 Answers

HDTV-AT&T UVERSE


First of all, is your blue "HD" light lit up on the front of your Uverse box?

If yes, then you're in HD

If No, you need to check your connections from Box to TV
1.Those Red-Blue-Green cables are for video only, they don't carry sound and shouldn't be connected to audio outs. Audio needs a seperate cable. Make sure your Red isn't on the audio out which is also red. Make sure your blue and green aren't switched with each other either. Check that at both ends.
2. Try an HDMI cable. It will carry audio and video together and it's one cord instead of 5.
3. What brand/model of TV is it? Is it an older projection TV? The HD tuner might be shot. The individual color tubes commonly fail after a few years.
4. Are you selecting 720p or 1080i from your TV's menu or from the Uverse menu? You'll need to set it through the Uverse box, not the TV.
5.Follow -Menu -Settings -Aspect Ratio to change to 720 or 1080. This should start an autotest which will scramble your picture for about 5 seconds, then bring you back to a menu asking you to keep settings or revert back settings. If you never see that question pop up, then your TV isn't supporting the HD, and you settings will be rolled back automatically. If the question does pop up and you can read it, select "keep settings" and press OK. Your blue HD light should come on the front of the box now.

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1 Answer

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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.

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