What's new

Left Field Idea

DeltaWaldo

Student
Joined
Jan 5, 2023
Messages
35
Reaction score
12
Location
Baltimore, MD
Hey! I was wondering if anyone has ever converted a CRT TV to RGBs? I know there are converters but I was wondering if there was any way to alter the ports TV side.
 
There's a really long thread on the matter over at the Shmups forum:

https://shmups.system11.org/viewtopic.php?f=6&t=56155
This forum thread is really geared to modifying TV chassis for use with consoles. Consoles generally output a different spec voltage for displays vs arcade pcbs. To me, the mods promulgated focus on attenuation to console spec exclusively.

So if someone intends to use the information generally posted on this thread to accomplish a mod on a consumer TV for RGB with arcade pcbs, the result may not be great. Still, lots of good information on that thread it is just not focused for modifying a TV as an arcade monitor alternative.
 
I'm heavily considering getting the CRT, looking up the jungle and MCU specs so that I know where to short and place the switches. Then it's just wiring up a sync boost board inside the tv and putting a mini-din connector on the tv casing
 
Last edited:
I originally wired my first arcade boards to my Sony Trinitron over Scart - no amplifier or AC coupling at that time. Worked OK, though it always defaulted to some odd 16:9 letterbox mode by default.
What I want to say, without a SuperGun it depends on the TV if it works or not, but as most people in Europe can use arcade boards with a SuperGun there should be no fundamental problems. Also I guess it depends on how far the sync timing is away from the usual timing used by consoles.
 
Last edited:
You're right, some boards can work. On average I would say you're going to run into issues connecting them as is.
 
Interesting, I'm working with USA hardware so SCART is a bit harder to come by. I'm thinking that I may look at the sync boost so that I get the sync and then just follow what the video that fluffy posted.
 
Have done several of these, mainly Sony “3” series chassis because they are nice and easy. To be honest they rarely get used, most of the CRT attraction for me personally is the scanlines - and most consumer sets (from my market at least) had such poor tubes that the scanlines still don’t show very well.

There have been lots of cool developments in this space recently, the “RGB mux” method allows RGB on a much greater range of consumer TVs.
 
neat! I might try and do a RGB Mux on a 30" if I ever get my act straight and find one, this is a great resource! Finally getting to use my Electrical Engineering skills again!
 
Back
Top