Blast city screen problems with naomi

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OldFoo

Blast city screen problems with naomi

Post by OldFoo »

I have a couple problems with my blast city screen in 31khz.



15 khz is absolutely perfect but 31 behaves a bit weirdly. I have the version where you have to select the frequency yourself behind the control panel.



First, I have a bit of pincushion distorsion on the sides. I opened the maintenance hatch at the back but I can't find the place where the knobs and vga connector are supposed to be. On the manual there show quite a few knobs including the pincushion distorsion one but it is nowhere to be found.



Then, I sometimes have the image shake a bit to get back to normal to get back to normal or suddenly stretch vertically. This never happens with Atomiswave or my Naomi motherboard with cartridges but does happen every now and then on my Naomi gd-rom setup or when I use my jvs-pac.



I recently pushed my +5v a little bit to accommodate a gigawing2 that would crash in game quite often at 5.1 or less, can it be causing this?

Does the screen have a serious problem?



Thanks a lot for your help.
OldFoo

Post by OldFoo »

what monitor do you have,a ms2930 or ms2931
OldFoo

Post by OldFoo »

Sorry I hadn't seen your answer.



I'd have to check. Where is that written at the back of the screen, under the maintenance hatch?



It is a Nanao, and from the top of my memory I would say 31 but I'll make sure.
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