The screen on my tv has started to shrink. there is constantly a 2" (approx) black space at the bottom of my screen which causes the viewable screen to warp (scrunch up) and make everyone look like they have short little legs and a normal body.
i have gone through the on screen menu hundreds of times but don't find the vertical or horizontal adjustment. i also looked on the back of the tv but there are no manual controls on the computer.
how can i fix this (the screen is otherwise still in very good shape - good color and contrast).
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Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/
Good Day,
It appears that you may have a green drive issue. Try adjusting the Sreen Control it is located in the front of TV.
1) Remove Speaker Grill (it just pulls off) start at one end, 2) Remove cover (5-6 screws), 3) Adjust control. The control is located on lower right side towards bottom. A small black device with 2 rolls of controls, adjust the center control on bottom row counter clock wise, until you get a black and white picture.(adjust with color control to min).
If this does not work you light bulb (CRT) is bad about a $750.00 repair.
Ur Vertical/Horizontal ic is cold solders,U know how to solders?Take the tv aparts use a back handle of the screw driver tabs around find out where V/H the cause resolder that.
If you are watching widescreen format movie or tv programming on a non-widescreen tv, that is how it will appear. The widescreen is a wider picture so to show it on a less wide screen, it has to shrink down to fit. and leave blank space top and botton.
Most LCD monitors have a couple of control buttons at the top or on the side. Inside the menu, there should be an option called "Auto Adjust" which senses the input signal and resolution, and then shifts the monitor to match it. Have you tried to auto-adjust the screen? There may even be a button called "Auto" on the monitor.
There should be a way to go into the screen settings on the set (either from the remote or on the bottom of the screen). From that menu you can adjust the size of the screen, stretch it, align it, etc.
Usually when the vertical starts shrinking slowly, it is due to capicators getting out of tolerance in the vertical output section of the chassis. If it can be adjusted out through a service menu, you'll probably need a tech with the right equipment to perform it.
sorry, i have no idea what that means.
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