Question about Hitachi 43UWX10B 43" Rear Projection Television

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I Have a blue line 4" up from the bottom on the left side how do I fix this

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The only way to fix it is to take it for repairs. This will only get worse if left. The line is related to the Pixels of the screen and caused by a failing IC Chip repair cost is about $300 but if left will cost 4 times more.

Posted on Sep 12, 2009


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Jan 03, 2016 | Samsung Televison & Video

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Have got blue vertical line on iphone 4 S home screen 3/4 inch from left side

I have an iphone 4 that i just fixed. it was working fine. i charged it and went to bed and when i woke up there was a blue line going vertically across the screen! help!

Jun 10, 2012 | Computers & Internet

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I have green and blue arched lines across my screen. how do i fix this

This is one of a group of sets that had bad picture tubes. A lot of them were replaced out of hand when the sets were new--I did dozens of them.

The tubes are no longer available from Sony and only available on a rebuild basis--remove the bad one and send it out for rebuild at about 300 per tube.


HERE IS WHAT I suggest:

With the set at first unplugged you need to remove the entire plastic grill under the front screen. It is secured in one of two ways: either 4 or more screws on the back on either side; it pulls out from the bottom and has tabs that are tucked into slots just under the screen.

The front controls/keyboard are mounted into it so if you get it free you tilt the front grill on its left side to the left; there are wire ties you can release to get more room.

The other way some versions use is there are two hidden screws at the bottom front covered with caps--remove them and lift from bottom and tilt to the left.

The idea here is to try to turn the screen controls for the green and blue (in your case) down.

With the grill out of the way you will find an inspection plate behind it dead center---remove that.


ONE row is marked Focus (Do not touch those) You have to look closely as the controls are black and hard to read--left to right green will be in the middle and red or blue on either side of it.

With the set now turned on go to a unused video input: Locate the blue screen control( tiny letters will be b,g, red with green in the middle---turn the blue down slowly (usually to the left) until any blue lines and or blue background vanish---in your case then repeat with the green SCREEN control until any green curved lines or back ground are gone.

The idea is to lower each screen control until they just vanish--when properly done on the blank input you should only see the "VIDEO 1" ETC in green, with no other color in the background. Do it slowly and it should take less than 1/4 of a turn for this.

If it works you should now have a good black and white picture.

Since these sets have a history of this kind of problem you may only be buying some time---I have done it on dozens of sets and many last more than a year or more without repeat of the problem.

This gives you more life from the set and time to save up to replace it.

Let me know before you attempt this if you have any questions.

If this information told you something you did not know, rate this solution as very helpful as I do this here for free.


Aug 13, 2010 | Sony KP-57WS520 57" Rear Projection...

2 Answers

VIZIO P42hd PS42a plasma Picture has two vertical lines (one red/orange, one blue) going down the right-hand side of the screen. Lines are clearly visible

The panel is almost certainly bad. The only fix for this is to replace the whole panel which would cost more than the whole TV.

Mar 30, 2009 | Televison & Video

1 Answer

Blue Horizontal arching lines, Blue hue at power on

if you take the front cover off the tv, you will see 6 little nobe, the top 3 are focus, bottom 3 are brightness, should be RED-BLUE-GREEN in order from left to right, find the one that is blue, turn it down a quarter turn, should fix the problem

Dec 31, 2008 | Sony KP-46WT500 46" Rear Projection...

3 Answers

Blue vertical line on left side of screen of soyo 42" lcd

I have the same issue too. Unfortunately I believe it is the panel going out. Not sure if there is a way to fix it or not. My thinking is that I have read somewhere that this is the issue.

Jul 29, 2008 | Televison & Video

1 Answer

Line on screen

if you found out how to fix or what is wrong with tv please let me no

Apr 07, 2008 | Fujitsu Plasmavision PDS-4233 42 in....

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Blue/green line left side of the screen top to bottom

I have a green line on the left side of my laptop, can you tell me what is that?

Mar 26, 2008 | Televison & Video

4 Answers

How to fix horisontal lines on display ( see the picture)? They stronger when system is restarted and then fading but never disappearing. They always stay the same.

horizontal lines can be caused by either a faulty grapchics card or a faulty monitor. try adjusting the screen refresh rate. if you are using a windows xp system goto

start>control panel>display>settings>advanced>monitor

then adjust the screen refresh rate and see if the horizontal lines disappear. if not, then you probably have a faulty graphics card or monitor.

Jan 27, 2008 | XFX GeForce FX 5200, Graphic Card

3 Answers

Picture then fades to blue.

Please post me on this as well. My Sony just turned 4 yrs this Jan and just last week it started having the same problem. -Thanks!

Mar 02, 2007 | Sony KP-65WS500 65" Rear Projection...

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