Search found 11 matches

by balladof32
Sun Mar 03, 2024 2:55 pm
Forum: Display Devices
Topic: Help With MiSTer Analog IO 6.1 to VGA2SCART Adapter
Replies: 0
Views: 3869

Help With MiSTer Analog IO 6.1 to VGA2SCART Adapter

Bypassing the traditional cable method as it caused me brightness issues , thought I’d try the vga2scart from retro upgrades as it fixed similar problems for others . My mister ini now has comp sync set to 0 as opposed to 1 , vgamode left at rgb . Using vga cable with pin 9 connected . Vgapower set to 5v on the io board Fully wired hq Thor branded ...
by balladof32
Tue Feb 06, 2024 10:12 am
Forum: Display Devices
Topic: Brightness on a CRT
Replies: 3
Views: 2895

Re: Brightness on a CRT

Did you resolve your brightness issue ? I’m experiencing similar

by balladof32
Mon Feb 05, 2024 7:40 pm
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

Re: VGA to SCART Using Analog IO 6.1

Io resistors …

by balladof32
Mon Feb 05, 2024 7:34 pm
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

Re: VGA to SCART Using Analog IO 6.1

the IO is from Nat at https://misterfpga.co.uk as per above . I’ll check the resistor now 👍

by balladof32
Mon Feb 05, 2024 5:56 pm
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

Re: VGA to SCART Using Analog IO 6.1

the resistor is stated as being a 470 as with most of the cables

by balladof32
Mon Feb 05, 2024 5:55 pm
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

Re: VGA to SCART Using Analog IO 6.1

changing vga_pwr jumper back to just to the centre pin ( neutral) gives a picture but you can hardly see it .

by balladof32
Mon Feb 05, 2024 5:51 pm
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

Re: VGA to SCART Using Analog IO 6.1

I’m assuming the resister is on the pin shown above on the scart connector that’s heatshrinked ? It’s as if something is coming in too hot . The brightness is too high really , the areas of concern I’m assuming are the areas you’re supposed to level out ( outer bars ) on the 240p test suite . I can’t level them out because the brightness is too hig...
by balladof32
Mon Feb 05, 2024 5:12 pm
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

Re: VGA to SCART Using Analog IO 6.1

you can see red in certain areas that are supposed to be black , pics from the wonderboy arcade core . one of the cores it doesn’t seem to happen on is the legend of tonma

wonderboy core

by balladof32
Mon Feb 05, 2024 3:23 pm
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

Re: VGA to SCART Using Analog IO 6.1

Im using the latest one with all options set to 0 other than composite sync which is set to 1 . VGA mode is set to rgb

what is the behaviour of setting vga to neutral , 3.3 or the 5v

by balladof32
Mon Feb 05, 2024 9:28 am
Forum: Official Addon Boards
Topic: VGA to SCART Using Analog IO 6.1
Replies: 12
Views: 2844

VGA to SCART Using Analog IO 6.1

I have my Mister running via the Analog Io RGB into a consumer RGB Scart Toshiba CRT and I’m experiencing very faint red scanning lines coming through on blacks . I’ve tried 2 cables , the later being the one from RGC , both have a resistor . Brightness and contrast are set on the TV to acceptable levels and lowering either the contrast or brightne...