Hi,
You have to check the picture tube base socket. After some years of use the contacts of the base socket will become bad (normally the screen pin and focus pin). Just replace the CRT socket it will solve your problem. You can find the CRT base socket on circut board at the end of picture tube neck. Pull the circuit board straight to back,do not shack. It will damge the picture tube pins.And replace the socket with the same type. You will get it from any of the electronic spare part shop near to you. Remember one thing remove the socket from the circuit and keep it with you as sample when you are going to purchase a new one, Because there are different types of CRT sockets are avilable. Purchase one which is similar.
ok
I forgot to mark up the red and black wire. The label at the socket is labelled as 'A' and 'B'. Which one is connected to where?
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Hi,
Dear User...
You can adjust the
brightness and contrast of your monitor to improve the readability of text and
to make digital pictures appear more like they'll look when printed.
To improve the results
when adjusting the brightness and contrast settings for your display, use
Display Color Calibration. (Display Color Calibration helps you adjust these
color settings and others.) For more information about calibrating your display
color in Windows,
see Calibrate your display.
The way you adjust
brightness and contrast varies and depends on your specific display.
•
Brightness and contrast buttons on the front of the monitor. Some monitors have brightness and contrast
controls on the front and use the standard symbols shown in the following
image.
•
On-screen menu. You can change the brightness and contrast settings for some
displays by using an on-screen menu, and then setting the brightness and
contrast in the resulting menu. Many times, you can view the on-screen menu by
pressing a button-possibly labeled Menu-on the front of the monitor.
Thanks....
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