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Sony rear-projection TVs provide a large-screened entertainment solution for your home or office. Unfortunately, color problems and yellow and blue spots and saturation can occur on the face of the Sony rear-projection TV. These problems can be the effect of damaged cables, electronic interference from other devices or dirty lenses on the inside of the rear of the television set. You can troubleshoot for these problems and make satisfactory repairs without the help of a repairman. No experience with Sony rear-projection TVs is necessary.Step 1
Check the audio/video cable that connects the Sony rear-projection TV to the cable or satellite receiver. This black cable has a number of multi-colored plugs on each of its ends. Ensure that this cable is not visibly damaged in any way, and that each of the plugs is in good shape and is not bent. A damaged audio/video cable will negatively affect the quality of your rear-projection TV's display and may lead to yellow and blue saturation problems and various other display irregularities.
Ensure that there are no other high-powered electronics in the close vicinity of your Sony TV. Speakers, computers and other similar electronic devices use a large amount of power and in turn may give off a lot of electronic interference. This interference can cause problems for your rear-projection TV's screen, such as color blurring and similar color issues. Move any such potential devices to an area that isn't as close to your Sony TV. The color blurring and yellow and blue saturation problems should then decrease over time.
Unplug the TV if problems persist. Ensure that the Sony is completely disconnected from all power sources. This is for your safety.
Place a towel on the floor of the area where you are going to operate on the TV. Carefully turn the TV facedown on the towel, so that the rear of the TV is facing upward.
Remove all the screws from the back cover of the television set using a Phillips screwdriver. Remove the back cover piece by working around the edges with your fingers and gently prying the piece off.
There will be three upright lenses in the back of the television. Cleaning these lenses can alleviate picture quality problems and color blurring. Use a soft cloth and soap and water to clean the lenses of the television. Avoid using any other cleaning solutions, as soap and water is the only universally recommended cleaner from rear-projection manufacturers like Sony.
Ensure that the lenses are dried. Replace the back cover of the rear-projection TV and reinsert all screws using the Phillips screwdriver.
After a paper jam occurs in the rear cover of a Dell
Laser Multi-Function Printer 1815N, the printer will not resume when
the jammed paper is removed. This is the normal behavior of the printer
as there is no sensor on the rear cover of this printer.
To open the back cover and remove any stuck paper, perform the following steps:
Open and close the front cover. The jammed paper may automatically exit the printer. If the paper does not exit, go to the next step.
Gently pull the paper out of the output tray.
If you cannot see the paper in the output tray or the paper does not move when pulled, open the rear cover.
Skip to step 9. If you do not see the paper, go to the next step.If you see the jammed paper, push the two blue pressure levers up and remove the paper.
Release the blue strap, the rear cover stopper, and fully open the rear cover.
Unfold the duplex guide fully.
While pushing the fuser lever to the right, open the fuser door. NOTICE:
Make sure to unfold the duplex guide before opening the fuser door, or the fuser door may be damaged.
Pull the jammed paper out.
Return the levers, fuser door, rear cover stopper, and duplex guide to their original position.
Close the rear cover.
Open and close the front cover. Printing automatically resumes.
When looking at the back of the TV: On each far lower side, you will see a thumb screw with a coin slot head. Use a quarter and fully loosen these 2 screws. Go back to the front of the TV: starting from either side, firmly grasp the lower cover (speaker grill) by the bottom. You will notice that is is now moving. Place your other hand on the TV to prevent it from moving and with a sharp quick motion, PULL HARD. The cover will bend and you will think it's going to break... it's not. This cover is difficult to remove and makes some serious popping sounds as it does. I recommend working both sides loose, then in towards the middle. After you get the cover off, the lamp door will be visible in the left center of the TV. Be sure to unplug the TV before you remove the lamp door and replace the door before you plug the TV back in. Best wishes, I hope this was helpful.
Problem is caused by dried electrolytic capacitors in your power supply board. Hopefully nothing else got damaged yet. If you remove rear cover you should see board in the middle of TV where power cord is connected. Capacitors should be huge in size. Tops should be flat. If they are bulged - they need to be replaced for exactly the same capacitance and voltage rating. ( For example: 1500mF ; 250V ). Most of the time that should be enough to bring your TV back to life. If it does not help - than next step is to replace whole power supply board.
This will most likely be down to your screen controller board, Take the back of the tv and look towards the top middle, You will see your screen cable go into a rectangular board this is sometimes covered by a metal plate, remove this and check Ebay or Google for a replacement, there will be a part number on the board Hope this helps?
Nokia E71 Housing Fascia Replacement Faceplate Cover, Restore your ... or alternatively use the corresponding tools to change it by yourself.) Package include: Full Housing Replacement Cover for Nokia E71
Full Housing Replacement Cover for Nokia E71 (Grey) * 1 Front Cover Back Cover Middle Cover Keypads Accessories as the picture shows Keypad *1 T6 Screwdriver and an opening tool
you need the DPTV305 - Dptv345 Convergence repair kit available at the following link. Its listed under the convergence repair kits category, comes with all parts and step by step instructions with pictures so you can do the repair yourself.
Here is the link. http://servicemanuals.vstore.ca/
convergence ICs have failed. Heres a link where you can get replacements with free step by step instructions so you can do the repair yourself and save alot of money. The parts are inexspensive. http://servicemanuals.vstore.ca/
If the board was "repaired" the settings should not have changed. There is a particular order to performing a convergence alignment. Do a web search for the service manual that will document the specific steps you need to take. Search using the model number and the keyword "manual". It should be availabel for $10-$15.