Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Have a green tint over 90% ot the center of the screen

Have a 60V500A (S/N V4E015203) Hitichi DLP that had a very dim picture. Was told it needed a new lamp. After replacing the lamp, the screen got a green tint over the picture about the size of a basketball in the center of the screen which changes the color of everything under the tint. If the man has a red shirt the green tint changes the color of the shirt to blue. The rest of the screen had normal color. After about a week, the green tint now covers about 90% of the screen with normal color just around the outside edge of the screen. Was told it is probably the lamp engine and would be very expensive to replace. I will soon have the price of a new TV and still may not have a working TV. Any suggestions Jim

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  • Anonymous Feb 23, 2009

    i have a green circle in the middle of my 50 inch lcd too thought it was my sons xbox360 any suggestions thank you anthony

  • lnunez4 Feb 25, 2009

    I have a Hitachi ultravision digital 50v500a. I get a green tint 50% in the center of the screen" when a dark scene comes on a movie or tv show. Thats the only time i see the green tint. The rest of the time the picture is fine.

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I had the same problem with my 60V500A about a year ago. The screen got a red tint in the center and the image was fuzzy in that area. A new lamp didn't solve the problem. I did some checking and found out that the original light engine used in this model had a cooling issue that could cause the light engine to overheat and distort the LCD panels. My warranty had run out more than a year before this happened so I figured I was screwed since the light engine was so expensive. I decided to call Hitachi tech support and see if I could get a discount on the cost of a new light engine since the cooling problem was a known issue for this model TV. I calmly explained to them that I was aware of the cooling issue in the light engine and that I felt like a $4000 TV should last more than two or three years. Tech support gave me the phone number for my local authorized Hitachi service center and I gave them a call. Once the technician confirmed that it was the light engine that was the problem Hitachi sent him a replacement light engine at no cost to me. I was WAY past my warranty period so I still had to pay for the labor to replace the light engine. $300 for labor was a lot cheaper than buying a new light engine or tossing the TV and buying a new one. I have to say that Hitachi earned my respect for admitting there was a problem and doing what was needed to correct the problem more than a year after my warranty had expired.

Posted on Jun 27, 2009

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These sound like bad light engines. They are expensive and need to be replaced by a technician.

Posted on Feb 24, 2009

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1 Answer

Picture had green tints for several weeks. Yesterday, picture went very dim. When started, picture is fairly good, then goes to blues, greens, reds, then goes dim.


The TCON board or the LCD panel is faulty. Can confirm by replacing The TCON board.
If you wish to get some details; check the site linked here. Pull up older posts.
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67" Samsung DLP. Last night it started flicker to a green tint. Back to normal then green tint. Now it's completely a green tint. Still has picture and voice but green tint and not bright like before.


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I have a SAMSUM HL-T6187SA DLP LED 1080P. The problems I see are a Green Tint and the RED(s) display as Blue(ish). John


Hi,

It sound likes the problem of your unit is the light engine. This is very common problem on Samsung DLP TV's and tons of complaint regarding on the picture quality. If you search "Samsung DLP law suit" you will find various comment regarding on the issue.

This part is an expensive one and I would advice you to call Samsung service department (1-800-726-7864) to let it diagnose by their Technician and see if they would cover the parts.

Hope I helped you.
Have a nice day!
Thanks for using Fixya.

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The color is really dim,


i have a wd62528 62" dlp hdtv that shows a picture but very dim. I have tried numerous things including factory reset and checking the lamp. I started to get a new lamp but was told if i have a dim picture getting a new lamp will do nothing. However, Mitsubishi support said that if i have a dim picture but was not continuing to get worse or darker, then they were 100% sure i just needed a new lamp. I'm confused. Will a new lamp solve my problem or no. i would just buy and try but it is very costly. please help

Nov 02, 2010 | Mitsubishi WD-62528 62 in. LCD Television

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Need lg 32lh30 calibration specs


I think I have a solution involving far less effort. Have you tuned your picture settings? Out of the box, the settings are ok and the presets will do the trick for most. But if you're like myself, you want the best picture possible. Here are my settings:

Picture menu:
Aspect ratio: Just Size
Energy Saving: Off
Picture Mode: Expert 2
Backlight: 35
Contrast: 90
Brightness: 54
H Sharpness: 40
V Sharpness: 42
Color: 50
Tint: 0

--Expert control menu
Dynamic contrast: Off
Noise reduction: Off
Gamma: Medium
Black level: Low
Real Cinema: On [grayed out]
Color Standard: HD [grayed out]
Color Gamut: Standard
Edge Enhancer: Off
xvYCC: Auto [grayed out]
OPC: Off
Expert Pattern: Off[grayed out]
Color Filter: Off

White balance: Warm
Method: 10 point IRE
Pattern: Outer
IRE: [see below]
Luminance: 137

-- 10 point IRE calibration
IRE: [Red, Green, Blue results, respectively, for each IRE point]
100 [-8, 1, -40]
90 [-13, -5, -40]
80 [-20, -12, -40]
70 [-17, -14, -33]
60 [-17, -12, -31]
50 [-17, -13, -26]
40 [-13, -12, -19]
30 [-6, -4, -8]
20 [-6, -4, -10]
10 [2, 3, -1]

Color management system
Red color: 2
Red tint: 0
Green color: -1
Green tint: -7
Blue color: 2
Blue tint: 7
Yellow color: 0
Yellow tint: 1
Cyan color: 0
Cyan tint: 0
Magenta color: 0
Magenta tint: -2

These are taken from CNET.com

Nov 08, 2009 | LG 32LH30 32 in. LCD HDTV

1 Answer

Yellow/green tint moving toward the center of the screen


Bad news the blue uv cut filter is discoloring its in the optical engine.
You are one of the many sony tvs that have this problem.
GOOD NEWS - sony will pay for yours
http://esupport.sony.com/US/perl/news-item.pl?news_id=115&mdl=KDFE42A10
Thanks
scott

May 08, 2009 | Sony KDF-E42A10 42 in. LCD Television

2 Answers

Picture settings



Colorimetre HCFR software
AVC HD 709 calibration disk
Spyder2 colorimeter (I know most prefer the Eye-One meters, but the Spyder2 was available from my job at no cost)

Here are the settings:

PS3 Blu-Ray player

Output Format (HDMI): Y Pb/Cb Pr/Cr (important!!! NOT RGB output)
BD 1080p 24hz Output (HDMI): On (this TV can reproduce video at 48hz for accurate 2:2 pulldown)
Y Pb/Cb Pr/Cr Super White (HDMI): On (not sure if this matters)

42LG50 Settings

Aspect Ratio: Set By Program (Personal Preference)
Picture Mode: Expert 1
Backlight: 50 (Personal Preference)
Contrast: 54
Brightness: 54
Sharpness: 40 (Personal Preference)
Color: 50
Tint: 0

Fresh Contrast: Off
Noise Reduction: Off
Gamma: Medium
Black Level: Low
Real Cinema: On

White Balance: Warm
Method: 10 Point IRE

10 (-3,8,-16)
20 (15,24,-21)
30 (20,36,-22)
40 (3,19,-40)
50 (8,34,-41)
60 (10,50,-20)
70 (-5,50,-8)
80 (-16,50,18
90 (-14,50,30)
100 (-22,38,21)

Red Color: -3
Red Tint: 0
Green Color: 10
Green Tint: 0
Blue Color: 14
Blue Tint: 0
Yellow Color: 0
Yellow Tint: 1
Cyan Color: -11
Cyan Tint: 0
Magenta Color: 0
Magenta Tint: -2

Take time to get used to the settings, you may think the screen looks dull at first. The truth is most people have way too much contrast on their TVs.
These settings will also work for Cable or Dish hookups, in which case you may change the Noise Reduction option to Medium to reduce signal noise.

OR....

2POINT IRE

Backlight: 65
Contrast: 55
Brightness: 45
Sharpness: 50
Color: 45
Tint: 0

Fresh Contrast: Off
Noise Reduction: Off
Gamma: Medium
Black Level: Low
Real Cinema: On

White Balance: Warm
Method: 2 Point

Red Color: 3
Red Tint: 0
Green Color: 9
Green Tint: 2
Blue Color: -1
Blue Tint: 0
Yellow Color: 6
Yellow Tint: 5
Cyan Color: -1
Cyan Tint: 1
Magenta Color: 2
Magenta Tint: -1

Sep 15, 2008 | LG 42LG50 42 in. LCD HDTV

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