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| Replacing solenoid in namco/jolt/real arcade gun help |
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| Podbod:
Hum, So I replaced the solenoid and at the same time ripped out all the ps1 internals, swapping them for the aimtrak recoil pcb. All the buttons are working but I'm getting nothing from the solenoid. I've tried 24v and 36v. I think I heard a small 'chunk' at 36v a few times but then I couldnt get it to happen again. I'd be surprised if the solenoid isnt powerful enough but I also dont have any way to compare it. Holding onto the recoil slide in different positions it doesnt feel like theres any force on it at all. I checked in the aimtrak utility and the recoil strength is set to the max. I tried moving it around and using the test and apply buttons but nothing changed. I have a few questions for those that are more knowledgable. 1) Can you wire a solenoid the wrong way? I didnt think you could. the wires dont seem to indicated any kind of direction. 2) The first test I'll do tonight is to try wiring T to the R terminal on the recoil pcb. This should then auto activate the solenoid right? 3) if that fails I guess I'll de solder the power lines and wire them straight to the solenoid. Will I need to de-solder the solenoid wires from the pcb as well? Do I risk damaging something on the recoil pcb if I dont? Cheers for any help Pod |
| Podbod:
So wiring the solenoid directly to power caused the solenoid to fire. (it seems strong too so I'm happy it looks like I bought the right type) Shorting the trigger wire to the R pad did nothing so assuming that should fire the solenoid I guess maybe theres an issue with the recoil pcb. Which is only a mosfet and a diode. Not much to go wrong. I've reached out to Andy for help. Pod |
| Podbod:
OK. Turns out my soldering is rubbish. The mosfet joints were bad. All working now The solenoid I bought was a nsf sdt2652L-231 and it cost £18 from ebay new. which isn't a bad solenoid for this but it does need 36v to have a decent kick. It's running at about 65% duty cycle max. So still plenty fine for auto fire if I can get an aimforce one at some point. I think if if I build a second when sinden does oem kits I'd use a nsf sdt2652L-229. That would take 24v for a tiny bit more force and would be at 55% max duty cycle. So should still be OK for auto fire. The dimensions of both of these are identical. Either way the RAG and I suspect the Namco guns do need a little adjustment to fit the solenoids threads into the recoil chassis but size wize they're identical. The plunger is different so I just used the one from my old burnt out one. |
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