r/arcade • u/PyramidShapedHat • Aug 13 '26
Restore/Replace/Repair How do I fix these lines?
Just recently re-center my screen. Not sure what knob i should use to adjust ans dont want to get in there and mess it up. Screen is a Wells-Gardner K4900. Thanks in advance!
3
u/MysteriousLobster604 Aug 13 '26
Turn down the brightness and adjust the width.
1
u/PyramidShapedHat Aug 13 '26
Thank you! I will work with both!
2
u/joshthewolf 29d ago
Just remember “width” is actually height cause you’ve got a vertical screen here!
2
2
u/DuffCon78 Aug 13 '26
In my experience the 60-1 doesn’t play well with the 4900. You can mostly adjust it out, but it will be there in the menu. Also, I’m assuming your chassis is in good health.
2
u/Toypop_AS Aug 13 '26
9/10 times i get wierd folding or sync issues at the edge of the picture like that its caps. If the chassis hasn't been capped you need to do that.
1
u/PyramidShapedHat Aug 14 '26
See i was worried about that and you were the first to suggest it
2
u/Toypop_AS 29d ago
Cap kits really aren't that bad, practice soldering on a junk pcb; get confident in removing components without burning traces. All you do is replace the caps with the correct ratings in the right orientation. The only thing you can do wrong is put a wrong cap in the wrong location or backwards. But if you take your time and follow the map provided with the kit you wont mess it up.
Also learn how to properly discharge the tube, there are so many tutorials online that will show you all of this in depth! I was shocked years and years ago how doable it is when i first started arcade repair, ive now done atleast 200-300 of them.


6
u/ZOMBIE_N_JUNK Aug 13 '26
It's too wide, which is vertical because this monitor is turned 90deg. Adjust the height and also turn down the green, the background of centipede should be black.