help with older Taito power supply

kstillin

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Hey-

My Stratovox is dead because it's not getting -5V.
I've got a couple of sets of schematics from these old games, but the power supply isn't in any of them.
I tried Crazy Climber, Stratovox, Polaris, and the main piece of Lunar Rescue. I was thinking they all had the same little metal caged supply that has a funky two-row 16 pin connector going from the power supply to the harness.

I've got a feeling that the supply will hold up if I fix it. Barring that, I'll throw a switcher in there, but I'd at least like to find a connector that I can solder to so that I can just plug the harness up without hacking it.

Thanks-
Kerry
 
Any help with this 16 pin connector for the power supply?

Two rows of 8 pins. I'd like to get one like is in the power supply so I can rig up a connector without hacking the supply or harness.
 
If you're wanting to just use a modern switcher to replace the old supply, just desolder and scavenge the connector from the broken power supply.

But if you want to just fix it, trace the -5v circuit back. I've seen a lot of supplies just use a 7905 for this job, unless there is a lot of current draw on the -5v. Should be fairly straightforward.

But then again, I don't know exactly which supply you're talking about, so I can't visualize it.

-Ian
 
Hey! That's the one!

It looks like the -5V depends on a zener and 3 transistors. I guess I could troubleshoot it.

I figured that I could scavenge the connector, but wanted to keep the old in there in case someone down the line wants to fix it.


If I can get the right correct crimp pins, I'll probably pull the old ones out of the harness connector and splice in TWO wires on each- One set to return to the original connector and the other set to go to something that I can rig up to a switcher. Or even leave them bare for connecting straight to a screw-terminal supply.

One of the things that this supply needs is some new fuse clips. I had a bag of them and now can't locate them to save my life.

Thanks for the link to the other post with the schematic!
 
OK, here's my solution for wiring in a switcher. It ain't pretty but it sure is effective. I can't claim credit for the idea - it came from the Okert monitor extension cable I have, which uses a header on one end that is hot glued to prevent flex and potential shorting.

Anyway, my switcher doesn't supply -12v, but no big deal because the only thing -12v goes to is the coin light which is kinda dumb since that can just as easily run off of +12v, and that's exactly what I did here.

This was done by first plugging each wire/pin into the original harness connector one by one, and then gradually building up a mass of hot glue until it was quite solid and filled in. Now it plugs in pretty easily and I didn't have to hack my wiring harness! :)
 

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au contraire

I think this is a WONDERFUL hack! It's akin to 3-D PRINTING a new connector!

Actually, I have temporarily solved my problem.
I had a Birdie King II back in the corner in an old Taitronics cab and found that the power supply was compatible. It has the same output connector and all the voltages were present. The only difference is that it takes a 100V AC input instead of a 120 that's in the Stratovox cabinet.

I figured what the hell- plugged it up- no fuses blown. Voltages still right on- so I plug it into the Stratovox harness.

Got to play a game or two last night. Now I just need some volume to my speech.

Thanks for posting this- I think it could guide someone to a solution that they wouldn't have thought of.

Kerry
 
Any help with this 16 pin connector for the power supply?

Two rows of 8 pins. I'd like to get one like is in the power supply so I can rig up a connector without hacking the supply or harness.

I don't know if you still need it.....
Here's the harness side...
http://www.mouser.com/ProductDetail/TE-Connectivity/1-480438-0/?qs=ko0lFLRalIMv1gwBykSoVA==

Female pins...
http://www.mouser.com/ProductDetail/TE-Connectivity-AMP/60619-1/?qs=sGAEpiMZZMt24PW2WNEtLzFo1Ao6/BYz

Male pins...
http://www.mouser.com/ProductDetail/TE-Connectivity-AMP/60620-1/?qs=sGAEpiMZZMt24PW2WNEtL0R9BEORD2Qh

Board mount with male pins...
http://www.mouser.com/ProductDetail...350214-1/?qs=sGAEpiMZZMvt1VFuCspEMuZhxIyWQSpK

Edward
 
au contraire

I think this is a WONDERFUL hack! It's akin to 3-D PRINTING a new connector!

Actually, I have temporarily solved my problem.
I had a Birdie King II back in the corner in an old Taitronics cab and found that the power supply was compatible. It has the same output connector and all the voltages were present. The only difference is that it takes a 100V AC input instead of a 120 that's in the Stratovox cabinet.

I figured what the hell- plugged it up- no fuses blown. Voltages still right on- so I plug it into the Stratovox harness.

Got to play a game or two last night. Now I just need some volume to my speech.

Thanks for posting this- I think it could guide someone to a solution that they wouldn't have thought of.

Kerry

HA! At least that old Birdie King II was good for something. Now you can just strip the other useful parts out of it and trash that cab so you have room for something better. ;)
 
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