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Re: Sony Tv kv 2584 A5
There are no adjustments for this problem,if the unit has been working good for 3 years and suddenly gives you this pix is time to call a qualified technician,among many reasons you might have loose solder conections in the horizontal drive circuit or poor regulation problem in the power supply,if you dont know how and where be safe and call a Technician.
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By not full I assume you mean the picture is reduced in size all round. If this is the case then you most likely have a power supply problem. Check the HT voltage, if this is low then check all electrolytic capacitors in the power supply for reduction in value.
Vertical retrace lines is the problem. Thin white lines runs across the entire screen, at about an inch apart to each other. Check its video output supply voltage. Reduce the screen voltage to a little bit down and check. If you still wish to know more about this fault, check this site. Pull up older posts there.
This may be due to a faulty Timing Control board (TCON board). I had a similar problem with my Samsung LCD TV picture being split vertically down the middle. The image on both halves appeared fuzzy and in reverse (mirror) including the menus. I replaced the TCON board and the problem was resolved.
hi there, you may have a power supply section trouble, check the biggest electrolytic capacitor in the power supply, the rectifier diode, the regulator, and check for some cold solder, do some test, there is a part to be repalced. ty