Question about Philips 21PT4475 TV

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Picture is cut off at top and bottom

The picture seems to be to big. It is cut off at top and bottom. I have tried all the different format settings and it is teh same on all of them. I tried to reset all AV settings and it doesntg do anything. TV is a 42 inch Phillips flat screen less than 1 yesr old

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Hello This is an indication that your vertical output stage is beginning to malfunction. It could be the vertical output IC or the vertical coupling capacitor. I would suggest using the schematic and an oscilloscope to determine if the signal is correct. You may have to replace the IC or the capacitor.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Posted on Dec 09, 2008

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How do I change it from wide screen to regular? I have a black area above and below the picture.


Hello
You can set the picture size by remote control itself.

You can vide 480i format programmes in three picture sizes. 4:3, 16:9, and ZOOM
You can change the picture size by pressing the PICTURE SIZE button on the remote control.
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If receiving a 4:3 programme, the image size is displayed in its originally formatted proportion.
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If receiving a 4:3 programme, the image is displayed with black bars at the top and bottom and stretched wider.

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1 Answer

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It appears that on this television you can only adjust the picture size when you are using the twin picture feature. You must adjust the picture size with your other remote control. Since I do not know whether you are connected to a cable box or a satellite tv box or a blu ray player or a DVD player I cannot be very specific. On your other remote control you should had an hd zoom button, aspect, format, ratio, #, or etc. Those buttons change the picture size. The other factor determining picture size is the resolution the equipment connected to your tv is set to. This tv supports 1080i but you should also try setting the connected equipment to 720p or 480p or 480i. Also the connected equipment may be connected to your tv in two places so make sure you are on the correct selection using the tv video button on the Sony remote.

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If you are using any type of set top box weather it is a cable box or something along those lines, You are out of luck. The formating is controlled in whatever box is connected to tv. So to format the screen size keep this in mind. Cableboxes usually only let you adjust for 1080i and widescreen. But aspect is subjective to how they send the signal to you. Also make sure you hookup a HDTV cable box or I recommend Dish Network to this set because it is easy to operate the formating using the button on bottom left of remote. " * " STAR button is great. ALSO the DVR is larger and you can run the 2nd TV off the same box although it is Standard defination, the 2nd remote is very handy because it talks to the box via RF signals, which means no IR or line of site problems. Its awesome. If i can help you further. don't hesitate to email back. Thank you and have a good night. Jay

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Thats is not going to fix your problem. You have a bad vertical output IC and or a bad capacitor in the vertical drive or output circuit. Good Luck

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