Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV

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Red plaid pattern on hd tv screen - Sharp Aquos LC-42D62U 42 in. LCD HDTV

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Ajkill
  • 2035 Answers

SOURCE: part of my lcd tv

This is the problem with the onboard capacitor get it replaced it resolve the issue...............

Posted on May 30, 2008

budmrtn
  • 11361 Answers

SOURCE: Picture begins running in a plaid patter.

Bad T-CON board, it is heat related.
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

Posted on Jun 19, 2010

eagle338
  • 4889 Answers

SOURCE: samsung lnt4071f screen

I see that this is an LCD tv. Source of the problem seems to be the T-Con or the main A/V board. While you have this plaid pattern, is sound ok or is it affected too? If possible can you please take a picture of the screen and upload it to imageshack.us , copy the link to the image and post it here so that I can have a look?

Regards,
Sai.

Posted on Sep 08, 2011

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I have a Samsung Hlr5667wax/xaa DLP TV and the screen has gone green/green plaid pattern.


when the color wheel stops the picture will be all over the place. and you will have lines when it starts to fail as its not going fast enough for the picture. wining sound is it wearing out.

May 29, 2017 | Samsung Hlr5667w 56-inch Dlp Hd Tv

1 Answer

Green Plaid lines on Samsung HLR5067wax/xaa-


These are the Tests that should be run to determine which board is bad.You should call a good TV Tech if you are not familiar with this TV.
- The DDP1011 on the DMD board has a feature to display internal test patterns.
- DNle, which is an end port in the digital board, has a feature to display internal test patterns.
- The analog board sends signals to ADV7402 on the digital board.
- The analog board is the first output and the digital board is the second one, followed by DMD, which is the final one.
■ Diagnosis By Module
1. Access Service Mode
(In Standby mode, press "Mute", "1", "8", "2" and "Power" to turn the screen on and enter service mode)
2. Check if there is an error in the DMD board
DDP1011 → TEST PATTERN → Press the right arrow key:
Options of FULL WHITE, BLACK, RED, GREEN and BLUE PATTERN are displayed on the screen.
If "Pattern" does not appear, this is a DMD board error.
3. Check if there is an error in the digital board before the DMD.
When the DMD board has been determined to be error free based on the test patterns:
FACTORY MODE → DNIe → TEST PATTERN normal display: no error in the digital board.
If "Pattern" does not appear, it may be from a DMD board or ATI error or there is an analog board malfunction.
4. Check if there is an error in the analog board.
Check for a power signal from the analog to the digital boards

Jul 29, 2009 | Samsung HLR5067WX 50" Rear Projection HDTV

2 Answers

Green Plaid then Vertical Lines, Failure of hard controls, Analog Board?


You are absolutely correct, When anyone complains of vertical lines or bars, the next step is to see if it happens on only digital inputs ( digital board ) , only analog inputs ( analog board ) , or both ( DMD board ) .

Analog board can be purchased at www.partstore.com ,

Jun 04, 2008 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

Part of my lcd tv screen is "blacked out" and another part has a plaid pattern. About 3/4 of the screen is visible for watching tv.


This is the problem with the onboard capacitor get it replaced it resolve the issue...............

May 30, 2008 | Sharp Televison & Video

1 Answer

Green Plaid Screen


I think what you are describing is a form of line paring which is caused by a defective IC in the video circuit those inputs are feeding. Post a email link ad I will send a pic of a screen that has this problem and you can let me know if thats what your experiencing.

Jan 27, 2008 | Samsung HLP5067W Television

1 Answer

Magnavox 37" LCD HD TV 3 years old


You may need to replace the Small Signal Board of your tv.

Nov 25, 2007 | Philips 37PF7320A 37 in. HD-Ready LCD...

1 Answer

Picture ripples


The following describes the symptoms, cause and prevention of the Moire effect. Symptoms of the Moire effect When you are shooting a subject that has a fine regular pattern such as stripes or plaids, a ripple that does not exist on the subject sometimes appears in the image. An example of this can be seen in the pictures below. The photo on the left shows the fine plaids pattern on the shirt. The photo on the right is a distance shot of the same shirt. In this photo, you can see a ripple that is not visible in the photo on the left. This effect is called the Moire effect. Why does the Moire effect occur? Digital cameras and camcorders are equipped with imaging devices such as CCD sensors and CMOS sensors that have pixels that are finely aligned horizontally and vertically that convert light into electronic signals. When the pixels and the fine pattern on the subject overlap slightly misaligned, an interference pattern occurs and a ripple that does not exist on the actual subject may appear. This is the Moire effect. Look at the image above. This image shows red stripes and black plaids overlapped slightly misaligned. When you look at the entire image, you find a ripple that differs from either of the patterns. This is the same principle that causes the Moire effect. Preventing the Moire effect You can reduce this effect by changing the distance, zoom setting or the angle of the image. If you are using a camera with manual focusing, the Moire effect can be reduced by simply changing the focus slightly.

Aug 31, 2005 | Canon PowerShot Pro1 Digital Camera

1 Answer

Picture ripples


The following describes the symptoms, cause and prevention of the Moire effect. Symptoms of the Moire effect When you are shooting a subject that has a fine regular pattern such as stripes or plaids, a ripple that does not exist on the subject sometimes appears in the image. An example of this can be seen in the pictures below. The photo on the left shows the fine plaids pattern on the shirt. The photo on the right is a distance shot of the same shirt. In this photo, you can see a ripple that is not visible in the photo on the left. This effect is called the Moire effect. Why does the Moire effect occur? Digital cameras and camcorders are equipped with imaging devices such as CCD sensors and CMOS sensors that have pixels that are finely aligned horizontally and vertically that convert light into electronic signals. When the pixels and the fine pattern on the subject overlap slightly misaligned, an interference pattern occurs and a ripple that does not exist on the actual subject may appear. This is the Moire effect. Look at the image above. This image shows red stripes and black plaids overlapped slightly misaligned. When you look at the entire image, you find a ripple that differs from either of the patterns. This is the same principle that causes the Moire effect. Preventing the Moire effect You can reduce this effect by changing the distance, zoom setting or the angle of the image. If you are using a camera with manual focusing, the Moire effect can be reduced by simply changing the focus slightly.

Aug 31, 2005 | Canon PowerShot SD300 / IXUS 40 Digital...

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