I checked out the video's you made of the problem but its hard to say what the issue
could be. I see two problems. the glitches or jumping in the picture, and the
stripe moving slowly through the picture.
Start with the easy stuff first.
Have you checked the connection pins on the cable running from the
monitor to the card ? If you wiggle the cable or connector where it attaches to the card
while an image is displayed does it produce any defects in the picture ?
Sometimes the pins get corroded and dont make a good connection. You
can even use some electrical contact cleaner , spray a little on the pins,
insert/remove the connector a few times to clean the pins. Let it sit
for 30 minutes or so the allow the cleaner to evaporate before powering back on.
Also, sometimes the brightness or contrast controls get dirty over time and turning
them will make the picture jump. Try rotating these controls back and forth a few times
to see if it improves the picture.
The horizontal stripe moving through the picture is strange, I've never seen
this symptom before.
I have a few 5154's
Most of the problems in these monitors is usually caused
by leaky capacitors in the power supply. I've replaced all capacitors in two of my
5154's power supplies and they work perfectly. The problem is that they used
capacitors rated at 85 degrees C, and these monitors run really hot.
I used capacitors rated at 105 C when I replaced so they should hold up better.
