Question about AOC 19LVWK LCD Monitor
Sometimes I encounter vertical lines below..... when i tap the sides it clears for a time being but after a few moment again appears
Posted on Oct 26, 2008
Try to follow the following tips I posted:
1) White horizontal line (no vertical deflection)
Check / replace R548, R549
2) OSD appears as one big horizontal line with wrong colours and noise (looks like no hor. sync). Teletext is ok
Replace proc. IR01 (ST9293) which contains the OSD functions. (expensive IC)
3) White horizontal line (Frame collapse)
Dry joint on TA8427K, Frame IC
4) The set goes into protection and tries to restart. The tube shows no horizontal lines
After disconnecting the horizontal plug the +148V and CRT high voltage remained stable. The small pcb on the tube (scan coils with 5 or 6 pins) was dry jointed at copperside
Hope this will be helpful.
Posted on Dec 06, 2007
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Posted on Jan 02, 2017
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