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Screen dark on v2000

You said normally it's the system board. What is it and can / should I repair it myself. I am fairly handy with a jewelers screwdriver.

Thanks

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You need to replace the system board. Replacing it is quite straight forward you just need to take your time

Posted on Sep 23, 2008

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I have a 46'' RCA LCD TV With Dark Spot covering about 30% of screen


it is ultra hard to fix broken LCD sectors unless you have a micro-shop intrusion tool. The fastest and most direct way to fix this is to purchase another LCD screen, which will cost about half if not more than the original purchase.

Apr 20, 2014 | RCA 46 46LA45RQ LCD TV

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Screen goes dark at random times


Usually caused by 1 of 3 issues:
1. Backlight in screen failing
2. Inverter board failing
3. Loose connectors or cracked wires from motherboard to screen.

To rule out other motherboard related issues, connect an external monitor and see if it functions properly.

Replacing a laptop screen is usually fairly easy - and instructions can be found easily on the internet. Use care, and don't force parts apart. Taking your time and exercising considerable patience will bring a successful repair.

Instructions, and parts, can be found easily on the Internet by searching for "<my laptop make and model> screen replacement".

If you're not comfortable doing this yourself, numerous local computer repair shops provide this service - or you can send the computer to repair services available on the Internet.

Dec 30, 2012 | Computers & Internet

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Picture image is unsettled when you 1st turn on the TV - Eventually gets better after warming up for 15 minutes. Rear projection HD 56" screen - About 8 years old.


LINES or noise from left to right etc. This is a classic problem in a lot of these sets--that this clears up after a while is also typical---the period will gradually get longer and longer for it to become normal.

This set uses a Hyper board for all signal from all inputs---about two dozen tiny surface mounted filter capacitors on that board---they dry out and lose value---flat caps will when hot attempt to regain some of the value they should have.


Board is no longer available from Toshiba, only way to fix is remove one in set and send out for repair to someone like PTS Electronics.

I have seen experts try to replace the tiny caps--usually several are off value or open---cheaper to send board out. Last one I saw cost was about 200 for rebuild, keep in mind same problem will happen again in 5-8 years.


Let me know if you have questions and if this told you something you did not know, rate this solution as very helpful as I do this here for free.

SD TECH

Aug 21, 2010 | Toshiba 65H84 65" Rear Projection HDTV

1 Answer

My Compaq Presario v2000 will turn on but the screen is just black what do I need to do to fix it?


Can you see any image on the screen in a dark room, using a flashlight sometimes helps. An image will be most visible right after you turn the laptop on, when the logo appears. If you can see the image but it is dark you need a new probably backlight inverter which is a relatively easy and cheap repair - I usually charge less than $50. JC Hunter

Nov 13, 2009 | HP Compaq Presario V2000 Notebook

1 Answer

Bowed flickering green screen, black on bottom


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

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Here is a quick test....

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

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Jan 25, 2009 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Compaq laptop with dark screen


It is possible that the problem is in the video card - that it's just not turning on the backlight. But it's so much more common for it to be the backlight or inverter that I'd try to get a second opinion.

Jan 24, 2009 | HP Compaq Presario V2000 Notebook

1 Answer

Compaq V2000 Screen went dark


Have you try external monitor? If it's still same, the LCD screen back light or the inverter of the LCD screen was faulty, but yours most likely the inventor of the LCD screen was faulty, it's only can be repaired by components level tech.

Nov 23, 2008 | HP Compaq Presario V2000 Notebook

1 Answer

Compaq v2000 function key not working?


To check system board, connect external keyboard and see if all keys function normally. If the external works OK, check connections on laptop keyboard, making sure contacts are clean and fully seated in the ZIF socket If the external fails to function properly it is the system board. LINK check page 66 of 238

May 08, 2008 | Computers & Internet

1 Answer

Convergence?


From what i see in these posts most say its the IC ship to replace i will get one for my 46807 also but dont know where yet .
also i seen that if that dont fix it then there is a few resistor's to resolder someplace dont know where either..but i can make the repairs myself im handy CROSS fingers ..:)

Nov 24, 2007 | Mitsubishi WT-46807 46" Rear Projection...

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Cost to replace LCD screen?


Hey i found this site that is great on how to change a LCD for the camera

http://digitalcamerarepair.googlepages.com

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