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That amounts to about a 1mA load — any of the above parts would work. With the red lead on the middle pin, and the black lead on the right pin on the top ones, I get. I’d replace the Please donate to Pinside, support the site and get a next to your username to show for it! I see I missed the important bit where UB said this is for the solenoid driver transistor thought they were just driving other logic.

Need to use high current 74F or 74S here. This page was optimised for printing. One image has been uploaded to this topic. Would anyone happen to know if a 74F08 would be a good replacement for the ICs that sit in between the PIA and the pre-driver transistors? I see a steady high on the pin that takes in the blanking signal, a pulse on the pin that goes to the PIA, and a low on the output.

Super Skill Shot Shop.

IRF9Z34N 데이터시트(PDF) – International Rectifier

The good thing is that you have pulsing from the PIA – he’s not dead. You must use 74F in the solenoid driver side of the board. What I found was weird. I turned the machine on, with only a few lamps connected to the board.


That is one hard-to-read page. By UvulaBob 4 years ago. So, I ordered some replacement ones. I’ll have to take it up with the people I ordered these parts from and be a bit more irf93z4n of the parts I get in the future.

IRF9Z34N Datasheet

That could explain why the two that were connected to lamps proceeded to explode their pre-driver transistors. Plain series parts are getting harder and harder to stock and cost has gone wayyy up.

TAXI red hair version playfield. It’s hard to go wrong That said, if it was me, and I needed a and only had a 74F08, I’d give it a try.

Can anyone help me understand how I can determine this stuff for myself? I get nothing when the same is done on the bottom ones. Topic Gallery One image has been uploaded to this topic. G-P-E’s right – the main spec that matters for that is that the minimum sink current be high.

Here are the three datasheets for these ICs. View topic image gallery. I heard a pop, and immedately turned them off. Shoot that “anonymous” source an email.

I mean ‘they’ will take care of this. When I datasheef the leads, though, I get. I feel like it’s a page taken out of some kind of CS class curriculum. Elsewhere it doesnt seem to matter on the driver board. I won’t have access to another System datashete until Monday at the earliest, but since GPE has them for 35 cents a pop, I may as well get them and some sockets to go with them.


So I’m trying to figure out if the existing ‘s were damaged when I powered the machine on. Linked Games Taxi Williams, What should I be looking for beyond simple input and output voltages and currents? Did you know Pinside is able to run thanks to donations from our visitors? LS would probably be better.

-55V Single P-Channel HEXFET Power MOSFET In A TO-220AB Package

All signs point to yes, but I’d like to get someone else’s confirmation. The current probably won’t be a big deal, but the fast edges can sometimes cause problems or even EMI electro-magnetic interference.

Switch drivers have 4. Those replacements arrived, and before putting them in, I compared them to the non-fried ones I had in there from my first order.

Here’s a web page with a cool chart to show if a logic family will work with a different logic family: These aren’t for solenoid drivers, though. I’ve seen the 74LS08 recommended as well. Great to see you’re enjoying Pinside! Q52, 54, 56, dattasheet, 60, 62 and 64, as per this guide: TAXI blond hair version playfield.

The high from the blanking normal anded with a pulse from the PIA normal and the having datashete steady state — not normal.