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My 65H14 projection TV decides when it wishes to project an image and when it does not. Used to be sporatic, but now is becoming annoying. First occurred JUST out of warranty and now is regular. Research on the web is calling it a "brown out," but of course Toshiba has no knowledge of these issues. Is there a way to trouble shoot prior to spending a lot of money to get it fixed?

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One of the PC boards in there is called the Hyper board and it needs all the caps on it checked and replaced. I do believe the board is no longer available so get a tech to fix it cause its real easy to ruin that board.

Posted on Nov 18, 2008

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Hi i resolve one ,i change voltage regulator str-z4479 ,and ic q306 and bingo are ok hope this help .

Posted on Apr 06, 2009

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1 Answer

My toshiba 65 rear projection is blurry and has dual image


The fluid that is used to cool the face of the 3 tubes has become clouded and discolored. This fluid is serviceable. I wouldn't try it myself if you've never done it before. A TV shop can do the job.

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ok you have defective convergence crrection circuit! or maybe the RF Box is defective! can you describe the color of the ghost?

 

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These blinks [flashes] are fault indication (Error Codes).From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it.This will make repair easy.These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times.Count it carefully.If you wish to get some details, check the site linked here.It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.Viewing it in "Mosaic" or "Sidebar" will make surf easy.
http://electronicshelponline.blogspot.com/
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1 Answer

Bought this tv used it was working great before I brought it home now the picture is cloudy what to do? It is like everthing has a white glare around it.


You stirred it up....literally! The projection tubes have sealed chambers and lenses, the chambers are filled with a coolant responsible for cooling the projection tube surface, so the tubes can operate at the high levels necessary to project nice bright images on the screen. That coolant unfortunately becomes contaminated over time, causing the coolant to become "cloudy". Moving the set stirred up the contaminants, allowing the set to sit idle may settle some of the "yuck" back down but the only sure cure is to replace the coolant. The coolant is Glycol based, and therefore is poisonous, much as automotive anti-freeze is, and the old should be recycled in a similar manner. There are many electronics parts outlets such as MCM Electronics, that sell projector coolant if you wish to attempt replacement yourself. It can be a very messy job. It requires a small turkey-baster of sorts with a small hose attached to extract the coolant. Myself I saved a squeese bottle from one of the wife's hair coloring episodes to which I attached a clear piece of aquarium line.That worked pretty well. I suggest that before you start the process that you cover the tv chassis to prevent any of the coolant from contaminating the circuits below the tubes. Otherwise you may turn the set into a giant paperweight.
Post back if you have any questions.

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1 Answer

Toshiba 65H14 is all green... Tint doesn't change it..


As TVs age, the rate at which the CRTs begin to decline in terms of light output increases. If you go into the customer menu and adjust the color setting to zero. ( no color) observe the image. Is it good gray scale? Or, is the image still green tinted? If so, its definitely a problem with the CRTs( picture tubes) You may need to just re-adjust the screen settings for the CRTs or it may be more serious, a CRT may be bad. Replacing the CRT is a job for an expert and will cost $500-700.

michtech

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2 Answers

On my Philis 51PW9303/17F projection TV, the colors are weak. Adjusting the color and tint have no effect on the color intensity or hue. I was given this set and it was worked on. THANKS Mike





Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images. 

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Dec 30, 2008 | Philips 51PW9303 51" Rear Projection...

1 Answer

Philips 46-inch Rear Projection with bowed image?? slight distortion



You have a convergence problem. Here are some of the most common symptoms. 

Screen looks 3D
One or more colors can't be adjusted when when using the convergence menu. 
Screen is bowed in but stationary.

Solution: 
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kit for your exact model. The kit inlcludes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself. Its an easy fix. 

Jul 02, 2008 | Philips 46PP9302 46" Rear Projection...

1 Answer

Hitachi 53UDX10B PICTURE DISTORTION


projection screens are prone to screen burn ,this is caused by the same image being displayed for a long time ie nick jr image in the corner,also check ther are no magnets close to the tv as this will cause distortion,ie speakers etc,hope this helps

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1 Answer

Can APAC be disabled?


Yes, Turn off the convergance option.

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