Question about Microsoft Windows XP Professional With Servise Pack 2 (e8503040) for PC

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Board problem bleard the screen

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I had this happen a few months ago and it turned out to be a blown video card.

If its blurred it could be the monitor as well.

One way to check to see what the culprit is if you have a video game on you computer that uses 3D mode, run it and see if you get any error messages on the screen.

If you do, it's the video board.

Posted on Jun 10, 2008

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Posted on Jan 02, 2017

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Tv repair.for plasma tv


No screen boards found. Do you mean any of these?
Types of TV Boards Every TV uses a collection of various boards to perform every function imaginable in a television. The boards work together to produce sound and images on a television screen. When certain mechanisms in a TV fail, it might be time to start testing different boards to see if they are functioning properly.

Main Board

The main board is the central hub of a television circuit system. The easiest way to identify a main board is to find the board with the various video and audio inputs/outputs. Generally speaking, main boards also contain a tuner, HDMI, USB, and S-video port. Main boards are one of the largest boards in a television. Main boards might also be referred to as a motherboard, main module, or an A/V board.

Power Supply Board

Another large and important board inside a television is the power supply board.. Usually found in the center of the TV, the power supply board has several connectors that supply power to the other circuit boards. It can contain transformers, large capacitors, and integrated circuits. There is usually a table on the power supply board indicating the different voltages it produces in addition to the signal names.

Inverter Board

Found on LCD TVs, inverter boards are used to mount the LCD backlight. These are smaller boards, usually shaped like long thin rods. If an LCD TV's screen is dark, distorted, or difficult to see, it can be the result of a defective inverter board. Inverter boards fail when inadequate power is not allowing current to pass through the backlight bulb.

Timing Control Board / Logic Board

The timing control board, known as the T - CON board,, is typically only found on LCD and LED TVs. Plasma TVS, on the other hand, use a logic board.. The functions of the logic and T-CON board are similar, as each functions to digitize the information it receives from the TV's processor. This allows the screen to display images on the pixel level. When the T-CON or logic board fails, the screen images may become distorted, leading to pixelation and the appearance of lines on a television. On a logic board, there are slotted connectors on all four sides, while T-CON boards have connectors on just two sides.

X-Sustain and Y-Sustain Boards

Also known as the X-SUS and the Y-SUS, the x-sustain and y-sustain boards only appear in plasma screen TVs. The x - sustain board might also be called the Z-SUS. These boards function similarly, producing proper screen images. Although they serve pretty much the same function, the two boards work independently of each other. The x-sustain board activates all the display lines at once, while the y - sustain boardaddresses all the individual lines of display. When one board breaks down, it probably will not affect the functionality of the other. However, it might be a good idea to have both replaced because X-SUS and Y-SUS boards have a relatively short life span anyway. A failure of one could mean an impending failure of the other.

Buffer Boards

B uffer boards are also only found in plasma screen TVs. Connected to the y-sustain board, a buffer board works to turn output to the plasma display. Common defects of buffer boards include the burning and shorting of power lines.
TV Boards Buying Guide

Nov 28, 2015 | Hitachi P50H401 50 in. Plasma HDTV

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Black screen, only sound


common problem with LCD TV is a dead screen but there is a sound. so the problem is always coming from inverter board inside the lcd, inverter board controls the ccfl bulbs that illuminate the image in the screen. there are 4 or more bulbs inside your screen supplied by inverter board. you can see this inside at the back of the screen there are 4 boards inside, display driver board,power supply board ,inverter board and input board, this could be repaired or replace.but you need some tools for opening the case and test equipment. add comment if you want some help.. hope i help you.... thanks.....

Aug 31, 2011 | AOMNI Corporation Magnavox 20MF500T/17 20...

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Screen goes blank dell vostro 1000 laptop


Hi:
This is probably due to a faulty connection flex cable which connects the screens inverter board to the main board. You may want to open the the screen portion of the laptop and check the connections to it from the main board. Also check for pinched wires running from the screen to the sys board.

Dec 19, 2010 | Computers & Internet

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Screen is totally blank at startup. HDD light blinks for a little bit, but screen stays blank.


1. Test using an external monitor. If it works, then either the screen bulb or the inverter board might be defective.
2. Test the inverter. Easiest way to do it if you have a good screen with a good bulb. Connect the good screen to the inverter board & test it. If it lights up, then the inverter board is good. If it did not, then the inverter board is bad & needs to be replaced.
3. If the inverter board is good, then we are left with the possibility that the screen bulb is bad. To fix this, we will need to replace the LCD screen.

Oct 11, 2010 | Dell Latitude D830 Laptop Computer PC...

1 Answer

Screen is dark


1. Test using an external monitor. If it works, then either the screen bulb or the inverter board might be defective.
2. Test the inverter. Easiest way to do it if you have a good screen with a good bulb. Connect the good screen to the inverter board & test it. If it lights up, then the inverter board is good. If it did not, then the inverter board is bad & needs to be replaced.
3. If the inverter board is good, then we are left with the possibility that the screen bulb is bad. To fix this, we will need to replace the LCD screen.

Oct 10, 2010 | Dell Computers & Internet

1 Answer

Compaq nc6000 screen brightness - very dark


1. Test using an external monitor. If it works, then either the screen bulb or the inverter board might be defective.
2. Test the inverter. Easiest way to do it if you have a good screen with a good bulb. Connect the good screen to the inverter board & test it. If it lights up, then the inverter board is good. If it did not, then the inverter board is bad & needs to be replaced.
3. If the inverter board is good, then we are left with the possibility that the screen bulb is bad. To fix this, we will need to replace the LCD screen.

Oct 07, 2010 | HP Compaq nc6000 Notebook

1 Answer

We have the Samsung LN46B650 - vertical lines just appeared last night with no apprent trauma to the TV. We were told by the repair shop it was either the screen or the circuit board. Does anyone have...


The problems u discribing could be either boards the Tuner board or the T-con board.The Tuner board is the board,take in the incomming signal cable.The T-con board is the board sit right in the middle botton of the LCD screen.To regulate and control the ditgital signal go into the LCD screen.If there no trauma to the LCD screen panel.Try change the T-con board first,because it small miner board and it cheaper $50-$75.The Tuner board it a major board and it big and it control all the incomming signal to the tv.This board,will cost u $150-175.Tries websites like Shopjimmy.com,Ebay.com to buy either T-con or Tuner boards.Change either of those boards or both.Same problems after this the LCD screen is short in useage and it dead.Not worth repairing,if LCD screen panel is dead,because it limited production and 90% important to the tv.It will,cost the same to replaced as to buy a new tv.If tv require a new LCD screen panel.

Sep 15, 2010 | Samsung LN46B650 46/49.5 in. LCD HDTV

1 Answer

How to stall my cam , i install but not working property ..?


refer to this manual to fix troubles arising from using the PK-635 web cam

1. A4TECHPK-635TroubleShootingManual.pdf

May 13, 2010 | A4tech PK-635 Webcam

1 Answer

Flickering screen. Picture is darker and the left side of the screen(when looking at screen) is weaker than the right side. Flickers for about 15 seconds then screen goes black


Ur LCD inverter board is dying.Must replaced this board,to get picture back good.Tries Shopjimmy.com,Ebay.com for the board.It a long board.

Jan 10, 2010 | Astar LTV-3001 Television

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