New! Dark mode!

Browsing Pinside at night? Getting tired of all the white? Switch to dark mode using the button in the top right (or CTRL-B)!

(Topic ID: 275301)

Jack*Bot Subwoofer Coil/board. What is this??

By Quadrider

75 days ago

Topic Stats

  • 4 posts
  • 4 Pinsiders participating
  • Latest reply 75 days ago by Lostcause
  • Topic is favorited by 1 Pinsider


Linked Games

Topic Gallery

There have been 3 images uploaded to this topic. (View topic image gallery).

6C10D25D-196D-4B61-9550-81DFCDDBB4E6 (resized).jpeg
2AA93EF7-6D97-4733-B810-34850437E9C3 (resized).jpeg
E7649A06-BA48-47F2-9368-4FE4C8695E17 (resized).jpeg

#1 75 days ago

So I recently landed one of my grails, Jack*Bot. Got the game home a did a full run though. For the first day, the game played great. No issues. The next day I fired it up, only to hear a nasty cracking/distorted sound throughout the gameplay. Lifting the PF, I found one of the two subwoofer connectors came loose... No problem, reconnected it. When plugged back in and turned on, the lower audio power amp on the sound board popped and started to smoke.... A Really bad Metallic burn smell!! Don’t know if it was the resistor, capacitor, or power amp, but I shut the game off and pulled the fuses. With the fuses removed, the sound board doesn’t heat up and the game plays with no sound.... but as soon as I plug the audio fuses back in, the sound works, but the power amp\fuses gets VERY hot and starts to burn and smell really bad! But as it stands right now, I can’t play the game in fear of frying something out more serious. I believe it all comes back to that small board / coil / transformer next to the sub woofer. What is this and what purpose does it serve? Checking other Jack*Bots, I don’t see this on anyone else’s games?..

Can I simply remove and bypass this? Just connect the input wires right to the sub? My fear is that I’ll fry out something else if I remove It (or leave It in)

Any insight or guidance is greatly appreciated.... Thanks!!

2AA93EF7-6D97-4733-B810-34850437E9C3 (resized).jpeg6C10D25D-196D-4B61-9550-81DFCDDBB4E6 (resized).jpegE7649A06-BA48-47F2-9368-4FE4C8695E17 (resized).jpeg

#2 75 days ago

i'll bet that voids the warranty!

#3 75 days ago

It's a crossover network for the woofer. I don't remember any games coming with that. It is something that *somebody* added. It can be removed. The black wires with the pink push-on terminals originally went to the speaker.

#4 75 days ago

It will give it a nice bass instead of it shrieking, must have improved it otherwise they would have taken it straight out I would have hoped.
Surprised it still has the original speaker but guess a better one has been taken out probably.

Promoted items from the Pinside Marketplace
$ 35.00
Cabinet - Other
Arcade Upkeep
$ 46.95
Cabinet - Shooter Rods
Super Skill Shot Shop
Machine - For Sale
Cincinnati, OH
From: $ 18.00
Apparel - Men
Pinside Shop
From: $ 40.00
Cabinet - Other
Rock Custom Pinball
$ 11.00
From: $ 20.00
Cabinet - Other
Rock Custom Pinball
$ 54.99
Cabinet - Shooter Rods
Lighted Pinball Mods
$ 44.95
Playfield - Toys/Add-ons
PinBoss Mods

Hey there! Got a moment?

Great to see you're enjoying Pinside! Did you know Pinside is able to run thanks to donations from our visitors? Please donate to Pinside, support the site and get anext to your username to show for it! Donate to Pinside