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On Your Keyboard, Push The Print Screen Button (May Say "PRT SCR"), Nothing Will Happen. Open Paint, Or Some Photo Editing Program - I Recommend Paint - And Go To Edit>Paste. It Should Paste A Picture Of Your Screen. Ready To Be Saved From Paint To Your Computer. Another Trick, If You Hold Alt While You Push The Print Screen Button, It Will Take A Picture Of Just The Active Window You Are On.
Tries pushes the power switch on the remote few times,each times push wait like a 1 mins or 2 mins for the tv Tuner signal board to take it effect.This process should get ur tv picture back,because the tv Tuner signal board it is old and having problems,evenually require replacement of a refurbish tv Tuner signal board.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish tv Tuner signal board for the replacement.
you have to take the remote, find the input button, push the input button untill your picture comes back, you should see the input go from cable/antenna, to vid 1--vid2---vid3---if pushing the button a couple of times dont change it, you will have to hit the input button, then arrow down, and select the nexy one, do that untill you find the picture
Normallly, if the picture size button on the remote for the television does not achieve the desired affect, then, a cable box or a satelite box is where the change needs to be made. For example: Some Motorola Cable receivers need to be set up in the menu to go to a wide screen or zoom mode when an analog signal is detected. There may be a format button on the remote. Some Dish Network boxes have Size buttons on their remotes and also in their main menu. It's difficult to determine the repair without knowing the types of the peripherals. Hope this helps.
So if the picture is short at the top and the bottom you can first try the service menu and adjust the vertical size and the vertical center. You must be very carefull when adjusting this service menu as a small mistake can make a minor adjusment become a very costly repair. Do not attempt this if you do not think you can figure it out and always always write down the values of the adjustment before you try them.Ok Heres goes.
To enter service mode, push and hold the [Menu] button on the set. While holding, push and release the [Power] button, then the [Vol +] button.
You will now have some information on the screen: "P0 V0"
To actually be able to change these values, you must push [Vol +] on the remote so the information reads V76. Then pushing on the Channel +/- will change the "P" value.
P1 - 3 are error codes. If there is a problem with the set that can be self-diagnosed, the "V" will report the code. These codes are available in the RCA repair manual.Go here to get the chart as it will not fit in this post. You really should invest in a service manual as all the info you will need will be in this manual for your set. Good Luck.