Search found 348 matches

by nintendo2600
Wed Apr 01, 2020 3:33 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

That's really weird. There's nothing obvious about the schematic that would make it obviously incompatible with both the Justifier and Menacer - there just aren't that many ways for a lightgun to work, given that the Genesis only supports "capture" on the TH pin. I was told that the LM311 leans to ...
by nintendo2600
Wed Apr 01, 2020 3:25 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

I'm just gonna covert this to a player 2 "pink" justifier gun I think. Clearly after all this testing and research the American Laser Games GAMEGUN is not compatible with justifier or menacer games at all. I'm happy this is now at least "out there" to discredit the rumors and false claims that it co...
by nintendo2600
Mon Mar 30, 2020 9:29 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

OK so now I'm finding out that ALG used a different hit detection method than Konami did for their gun games and hardware. Still I would think this homebrew test program should work as it's for all 3 kinds of lightguns but I'm still rolling snakeyes with this POS I have here..lol.. http://gendev.spr...
by nintendo2600
Sun Mar 29, 2020 6:33 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

Here it is with all new through hole parts. Still nothing. I'm really at a loss. I wish I could find someone electronically inclined who also owned one of these guns. You guys have been great helping based on theory and what should work in practice and I thank you for it. The only thing that is orig...
by nintendo2600
Tue Mar 24, 2020 4:52 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

TmEE wrote:
Tue Mar 24, 2020 4:40 pm
Do controllers work properly in both controller ports ? Many MD models develop cracked solders at the controller ports, causing all sort of headache...
Yep they work properly. I considered that as well.
by nintendo2600
Tue Mar 24, 2020 4:28 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

Well this sucks. I replaced every last piece of population on this hunk of shit and it's still pretty grim. I even replaced the cord just in case. I'm hoping one of these smd's might have burned when I put them on, I highly doubt it, but that is why I bought an equal amount of through hole parts to ...
by nintendo2600
Mon Mar 23, 2020 12:36 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

I ordered parts to replace everything on the pcb the other night. I'll replace the through hole components and the transistor first in hopes that does the trick. If not I'll start replacing those smd resistors and caps as needed. 2mm parts suck to work with...lol..
by nintendo2600
Sun Mar 22, 2020 2:57 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

... I totally remember by trigonometric identities. radius/separation, not vice versa. Sigh. Anyway, atan(1.5cm÷2 / 10cm) = 4.3°. So is 4.3 degrees the viewing angle? You just jumped one step above my pay grade with the "atan". That is totally new to me and I know nothing about it aside from the fo...
by nintendo2600
Sun Mar 22, 2020 1:46 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

You probably want to choose a half-width matched to the barrel of the lens then. What's the diameter of the far lens, and how far will the photosensor sit from it? There's no utility, and maybe some harm, in choosing a phototransistor that has a half-width larger than atan(separation/(lensradius/2)...
by nintendo2600
Sat Mar 21, 2020 3:14 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

You never did answer what the barrel of the GAMEGUN looks like...? Sorry I missed that. Pic attached: DSCF0330.JPG The sensor just sits in the middle of an orange plastic circle than then down the barrel at the end is a clear and somewhat magnifying plastic circle. Similar type insert found in most...
by nintendo2600
Sat Mar 21, 2020 11:50 am
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

I think you'll be fine with a 1N4148. The diode is just there to absorb energy from the inductor when the 2N3904 stops conducting - otherwise the energy will charge the node to some high voltage. That is what I thought as well. Thanks for confirming that. Also thanks for the clarification on the va...
by nintendo2600
Fri Mar 20, 2020 11:50 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

In contrast, DigiKey doesn't even let you filter by turn on/off time, and Mouser implies it's rather difficult to get phototransistors that are anywhere near as fast as the original MRD310. I came across this info while googling around from a seller with lots of parts: Silicon NPN Phototransistor D...
by nintendo2600
Fri Mar 20, 2020 5:26 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

Anyhow, so that is most likely an 1n4148 correct? or would it be something else? Most likely, yes. Stored energy in the inductor is going to be around 75mA→16µJ at max, so an ordinary signal diode should be fine. Although it's possible that something faster would be better... Anything you want to r...
by nintendo2600
Fri Mar 20, 2020 5:11 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

This one I seem to have missed but since it is a ceramic between power rails it most probably is a 0.1µF part. The diode that is marked 1nXXXX has lost it's markings on the rest of it aside from 1n4 and possibly another 4 under it. It might have already been broken cause when I removed it with my h...
by nintendo2600
Thu Mar 19, 2020 9:06 pm
Forum: Other Retro Dev
Topic: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?
Replies: 53
Views: 2147

Re: Hardware test program for Genesis Justifier, Menacer and\or ALG GAMEGUN?

You should be able to solder a TO-92 BJT onto the SMT pads if you want to try replacing it without buying a new SMT one. You should be able to measure voltages on the device while powered to figure out what's gone wrong. You should see: Pin marked "E" on phototransistor go from ≈0V when dark to som...