Question about Hitachi 53SWX12B 53" Rear Projection Television

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My screen has gotten much darker

Its a philips 50in plasma with ambient light all images are far darker then they were before and i have messed with the settings to try and correct the problem but its still way darker than is should be.

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Use the advanced options page and reset the factor blue and red convergence defaults then do re apply the auto color defaults color at first it seemed very red (which is good because red was the missing factor in the green picture) but after reseting all the color and tints to the normal ranges I then reset the color auto correct again and all seems fine.

Posted on Nov 24, 2008

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Posted on Jan 02, 2017

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Plasma tv problems


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Mar 25, 2017 | Samsung Televison & Video

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How to figure out distance for projector install


Short Answer:
The distance calculation is the diagonal size of the screen times the throw ratio of the projector (x/12 for feet).
If the projector has a physical zoom this plays in as well, throw ratios are usually displayed at 1x or for the whole range (e.g. 82C; 1.2 zoom means 1.43-1.71 throw).

Details:
Light calculations are somewhat inside the scope of this question, but suffice it to say, they aren't fun to do IMHO which is why I like the online calcs for a quick reference. Rule of thumb, the brighter the room or bigger the picture, the brighter the need.

If you don't want to do the calculations yourself, there are hundreds of calculators out there. Projector Central has a good distance calculator that is preset for actual projector specs. I use it often so I don't have to mess with the calculations. Just go to their website and select "Calculator Pro" at the top. It even does estimated light readings (we aim for 80fL because of the bright room environment we have to deal with, but for controlled lighting 30-50 is a good range too.)
There are also apps available on Android and iOS like AV Tools or Alford Calc.

If you want to do precise calculations, you need to know the size of your screen, the throw ratio of the projector and the brightness of the projector (and the brightness of the room) and the reflectivity of the surface (gain).
The latter two of these deal with picture intensity, the fact as your image gets smaller, the image gets brighter; to a point that it can be uncomfortable to watch. The opposite is also true, that as the the image gets larger, it gets darker since the amount of light coming from the projector doesn't change.
And finally, the more ambient light in the room, the darker or more faded the image will appear as it competes with other light sources.


Jan 19, 2014 | Epson PowerLite® 83c LCD Projector

1 Answer

I have a hp5060n 50in plasma tv,the left speaker makes a loud noise.can i use the inside speaker from a 4260n plasma tv with it?


Good morning there from here
According to my information if the noise comes on and off in connetion with tv turned on and off, the noise is due to a change in ambient humitity or temerature. Then there is nothing wrong with the TV,just wait till the weather changes.
I wouldalsocheck the AUDIO settings on the TV .
hope all goes well
kolbrun.

Mar 04, 2012 | HP PL5060N 50 in. Plasma HDTV

1 Answer

I have a 50in philips. when i turn it on it only has 3/4 of screen. 1/4 on the right side is solid black. any suggestions.


could be a bad ribbon cable conection to the 'X' circuit boards along the bottom of the display panel

Apr 01, 2011 | Philips 50PFP5332D 50 in. Plasma...

1 Answer

No picture,red light flashes on panel 50in plasma cineos philips


the blinking light signifies to a repair technician with capacitors or circuits are having an issue they can diagnose the problem via the amount of blinks in between pauses however it will require a technician and some specific tools and schematics to fix and it may be cheaper if its no longer under warranty to purchase a new one


Hope this helped
Robb

May 05, 2010 | Philips 50PF9966 50 in. HDTV-Ready Plasma...

2 Answers

Samsung 50in Plasma tv picture issues.


buffer board needs replaced need to replace both

Feb 04, 2010 | Samsung PN-50A450P Plasma TV

1 Answer

Philips plasma ambient light won't turn on at all and there are no blinking lights


Possibly your Ambilight module has gone bad. The part number for it is 313926809131 and runs around $200.00. I would have a technician look at this to verify the issue as well as the part number provided as Philips commonly has several part numbers for their TV's. Then again is it worth it to fix the issue if the TV still works ok itself?

Nov 17, 2009 | Philips 50PFP5332D 50 in. Plasma...

1 Answer

I have philips plasma tv model #42PF9630A with ambient light


last time I had seen these syptoms on Philips plasma it was bad panel. Replace tv panel is too expensive to replace.

Aug 29, 2009 | Philips 42PF9630A 42 in. Plasma Television

2 Answers

Just bought a philips 42 inch ambilight plasma t.v,and didnt know the plastic screening round the out side is supposed to light up, how do i go about setting this up?


Bottom left button on your remote should turn the light on and off. if this doesn't work sort through the options on remote and select ambiant light functions

Mar 12, 2009 | Philips 42PF9630A 42 in. Plasma Television

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