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Picture goes dim - Televison & Video

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Could be a fault on the line output stage a lot of the time caused by the transistor located near the line output transformer. Before changing any parts check that there are no dry joints. Good luck.

Posted on Sep 29, 2008

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Picture had green tints for several weeks. Yesterday, picture went very dim. When started, picture is fairly good, then goes to blues, greens, reds, then goes dim.


The TCON board or the LCD panel is faulty. Can confirm by replacing The TCON board.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

May 29, 2016 | Televison & Video

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Screen dims on dark scenes


Melissa check you TV's picture settings, cinema, sports, movie, store, etc.and try a different display setting.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Mar 03, 2016 | Televison & Video

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Toshiba 22LV505 TV-DVD:


Check the DC filter caps in the power supply first. Check the 24vdc (or 18vdc for this 22" model) to see if it goes away when the screen goes black.
There are main AC fuse, backlight inverter fuses, T-CON fuses.
If you are going to DIY and have proper tools and know safety precaution then please read on:

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

Jul 07, 2010 | Toshiba 22LV505 22 in. LCD TV

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The picture on ours is extremely dim. dunno if it is because of its age, but it is considerably more dim than other projection tvs i've seen. is there a fix?


These tvs have 3 picture tube that have a coolant (liquid gel) filled into these tubes. Over the time this liquid goes bad specially in philips tv and becomes clouded that make the picture dim and a little foggy with colors. This requires specialized professional help. WE www.fixurtvs.com do these repairs in sacramento & yolo county CA areas. The repair can cost $ 150 to $ 220. If colors are real bad with 3d kind of look, the convergence may be bad too. both combined should cost less than $ 350. Check out mor answers and estimates at www.fixurtvs.com.

Feb 25, 2010 | Philips 60PP9202 60" Rear Projection...

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Very Dim Picture on Sony KP-61s70


Have you had the projectors dusted? They'll acculate a lot over the years and you'll notice some dimming as time goes by.

Sep 21, 2009 | Sony KP-61S70 61" Rear Projection...

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My monitor goes dim after a few minutes. When you switch it off and on again the dsplay is ok then becomes so dark


Hello,

How dim is dim? If the picture is still visible just like half as bright then your have backlight tube problem and unit LCD needs to be replaced, not worth repair price. If the picture goes out almost to a black screen where you can just bairly see a faint image then you hold the screen just right then you have a backlight inverter issue. If the problem is the inverter then you should be able to replace a few parts and get your unit back going. If you think you can open the unit up and maybe solder a few parts then I would open the case and look for bad capacitors on the power supply board. I can send you pictures of what to look for if you are interested. We also have a repair service for those units, most power issues run $15.00 plus shipping. Let me know if you need help opening the unit and checking parts.

Jun 17, 2009 | Dell E152FPc 15" TFT LCD Flat Panel...

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New moniter too dim.


Good morning! Please review the operations manual of the unit, taking note of set-up settings value requirements. best regards.

Mar 20, 2009 | Samsung SyncMaster 920NW Monitor

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Mits 46805 - Replaced IC's now picture is dim!


Good Day, Nickb2b;

The IC's you installed will not cause a dark/dim picture......but I would like you to check two things:

1. Make sure you put all cables that you may have unplugged into their proper positions, the cables are marked with numbers, ensure all cables are properly seated,

2. Look for fluid on the PCB's.

Good Luck, big IRISH.

Jun 21, 2008 | Mitsubishi WT-46805 46" Rear Projection...

1 Answer

Grinding Noise


sounds like the light engine there are alot of problems with the light engines and quite a few have had a grinding noise. The only other possibility would be the color wheel. But I would lean heavier toward the light engine being the fault.

Apr 09, 2008 | Televison & Video

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