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Re: boka monitor problem
images of the vertical IC of a Boka MO-15NF. The first shows its general
location which is almost at the center of the board. The second is a
close-up. Hope this be of help. Good luck and kind regards.
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there are several reasons why picture of crt monitors did not display good picture. if your monitor had horizontal line at the center of the screen?...the faulty is in the vertical deflection, check the vertical oscillator also the fusible resistors & capacitors around that section. if there had vertical line at the center of the screen?..check the horizontal deflection, horizontal output transistor also check the YOKE.
Your video card has fried unfortunately. If you are familiar with the internal workings of a PC you can open it up and check the power cells on the video card itself, they will usually show signs of damage such as cracking etc. I would have a qualified professional take a look at it. I would recommend www.tigerdirect.com as a starting place for finding a new one
any vertical or horizontal line (any color any size) showing stable on the screen that is the hardware damage at the LCD panel back board ( call panel driver board) . it repair complicate but easy to do change LCD panel (common parts). you need find a PC service dealer to do so.