Question about Mitsubishi WS-55511 55" Rear Projection Television

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TV has dim picture

Mitsubishi, 55" had since 2003, tv is fuzzie when turned on & picture shakey, clears up after tv warms up. tv brightness is low.

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Hi and welcome to FixYa,

Initially, it would seem to be heat related and/or a cold solder issue. I doubt very much if any major component is defective, at most probably would be a capacitor in the main B+ line leading to the HOT (horizontal out). But that has to be confirmed visually and/or a voltage check on initial power up. best approach would be to open the rear, do some voltage measurements before warm up and after warmed up. Compare these readings and reference the Service Manual. Of course special care and attention since you would be working on a live set.

Check and perform preliminary visual or necessary inspection. Pls post back result(s). Good luck and Thank you for using FixYa.

Posted on Jan 17, 2009

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When I turn on the TV, the picture is fuzzy. After five minutes, the picture is clear but any words are out of focus even the menu for adjustments is out of focus. The convergence for red is clear but...


Hi,

Below are some troubleshooting tips for a TV that has a fuzzy or blurry picture;

If your Plasma or LCD TV picture is blurry or fuzzy there are several things that may be causing the problem. It's worth running through the following list before seeking service. You may find yourself saving the full cost of a TV repair.

Make sure you are using the appropriate cable box for your TV. If you have a high-definition TV you should also be using a high-def channel box from your cable provider. Watching standard definition channels on a high-def TV can make the picture look distorted and fuzzy.

Not all cable channels are broadcast in high-definition. When you stretch a standard definition picture to fill the full frame of your wide-screen TV it may look distorted. You can try changing your TV display settings to show standard-def channels at their native resolution. This will create black or gray bands on either side of your picture.

Ideally all of your video components will be connected to your TV with HDMI cables. Your next best option will be component video cables. If your cable box does not have HDMI capabilities, contact your cable company about upgrading your box to one that does include HDMI.

Make sure there is no glare on your TV from a window or other strong light source. This can significantly degrade the quality of the image you are watching.

If your TV has digital noise reduction, try turning that feature on.

You can adjust your TV's sharpness and picture modes to see if that improves picture quality.

Try plugging the power cord into a different electrical outlet and/or surge protector. You may be receiving electrical interference through your power cord.

Trying moving any nearby electrical devices away from the TV. They may be creating interference that can degrade the picture quality.

Let me know if the above helps or not, so that I can direct you further on what do next.....

Best regards.

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1 Answer

Dim picture


First, try adjusting your Brightness and Contrast in the Video or Picture settings menu. If this doesn't fix the problem, your LCD Back Lights may have burned out. You will need to either replace the Back Lights, or the LCD screen if they are built-in, take the TV in to a TV repair shop, send the TV back to Mitsubishi for repairs, or replace the TV with another.

Here is the link to Mitsubishi-TV Support: http://www.mitsubishi-tv.com/support.html

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Screen is dim. Have brightness turned up to max setting. Does the lamp get dim with age? Mitsubishi WD-Y577 dlp rear projection tv


Yes... from the moment the lamp is put into service, it begins to deminish in brightness. You should order a replacement lamp to have on hand.

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Ur convergence it dead,must replaced using the convergence kit.U konw how to solders?Tries these websites for convergence kit,Tv repair World.com or Tv repair Kits.

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Remove the 2 screws in the access panel on the left rear side of the tv. You will see the filter behind it. Rinse the filter in warm water until clean. Lay it flat on a paper towel and fold the other half of the paper towel over it. Press gently on the towel to soak up most of the water, and install it in the tv.

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Bad capacitors on Hyper module = no longer available, but
can be rebuilt by PTS Corp or a qualified tech...........T.

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HEY AWOOD,THIS SYMPTOM IS DUE TO POWER CAPACITORS GOING BAD IN THE POWER SUPPLY AND THESE CAPS CAN CAUSE A COUPLE DIFFERENT SYMPTOMS,YOURS SEEMS TO BE THE MOST COMMON.IF YOU'RE TECHY ENOUGH YOU CAN REMOVE THE BACK AND GET ACCESS TO THE TWO PLUGS ON THE LITE ENGINE TO TEST (WITH A VOLTMETER) THE 5 VOLT SUPPLY ON I BELIEVE PLUG J19 PINS 1 AND 3.IF LOW THEN REPLACE 6 CAPACITORS ON POWER BD. YOU SHOULD BE ABLE TO SEE IF THEY ARE BAD JUST BY A VISUAL INSPECTION.GOOD LUCK JOE TV

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