Classicgamer wrote:
Based on my experiments, I am 95% sure it is a power related issue. It happens on the Time Crisis arcade guns even when connected to an official GC2 PCB. The TC arcade guns use the same sensor as the official GC2 so, the only difference is the distance between the sensor and the I/O pcb. I found the problem gets progressively worse as distance increases.
3rd party guns usually have the sensor on the pcb like the official GC2 so they must be getting a reduced signal strength in some other way. Given the age of the hardware being discussed, the most likely source of the problem is aging caps. Doesn't explain why official unmodded Namco guns remain accurate though.
.................
I definitely think age can add it's fair share of problems....but we're talking about a sample size of 3x DC's and 5x DC Light guns (2x brand new)....not that that's huge or anything, but I have to believe that with the sheer amount of combos of DC's + Light Guns that at least ONE of them would work properly (or at the very least work noticeably better than the other...but they seem to be roughly equal).... You can also see me in one video (think it was one I posted here), where I literally having the gun touch the glass of the TV (i.e. zero distance), so that shouldn't be a factor – and it STILL wouldn't hit that bottom right spot!
Also doesn't explain how EVERY other console I try (which I have at least 2x of each), with MULTIPLE light guns per-console (for NES, Saturn, PS1, PS2, OG Xbox) – most official but 3rd party too, ALL seem to work pretty perfectly (at least let me hit those smaller targets every single time because they don't seem to jump around nearly as much)....all except for DC. I would love to get to the bottom of it, but I just think it's how it is, with the DC being noticeably less accurate than all other consoles light-gun-wise.
maxtherabbit wrote:
I did notice most of your test CRTs are Sony. I've always had particularly bad results with lightguns on aperture grille displays. They seem to really thrive on slot mask.
Nah, the majority of these tests (first initial test every time at least), and the majority of my videos I posted was done on a Panasonic shadowmask widescreen multiformat CRT, DT-M3050W. Simply because that is my one non-PC-monitor CRT which will take RGBHV/VGA direct and not need an Extron RGB to merge sync, + also works with RGBS direct as well, + does 480i and 480p natively too. Only after that do I test on the other CRT's, which you're right are mostly Sony's. The one composite test I posted a video of was on a non-Sony as well, and I've tried that on multiple different non-Sony CRT's too.