(Topic ID: 146522)

TSPP speaker hum/buzz *Fixed*

By sed6

8 years ago


Topic Heartbeat

Topic Stats

  • 99 posts
  • 55 Pinsiders participating
  • Latest reply 34 days ago by sllerts
  • Topic is favorited by 99 Pinsiders

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sb133 pg2.pdf (PDF preview)
sb133 pg1.pdf (PDF preview)
DF7C7E14-2D25-4F9F-988E-C16FEC6889F1 (resized).jpeg
tspp mod schematic (resized).jpg
tspp resistor install (resized).jpg
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IMG_1462 (resized).JPG
Screenshot_20170112-021448 (resized).jpg
Screenshot_2016-06-17-01-41-41_(resized).png
Screenshot_2016-06-17-01-41-09_(resized).png

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16
#1 8 years ago

Lots of speaker hum threads here and none seem to show a good fix. My TSPP has been humming in attract mode since day one. Of course it's not noticible during play, but when the room's quite the hum or buzz drives me nuts. Some reading here and some googlefoo lead to to RGP where there are several fixes, some dating back 12-13 years. I went with the adjustable pot mod and this completely eliminated my speaker hum. Check out the vid below for how I did it and the see (hear) the results.

#5 8 years ago

Thanks! Dunno. Here's the two main sources I drew my info from. You might need to view the desktop version of the google one if you're on a mobile device to get to the thread instead of a search window.

http://thepaisleys.azurewebsites.net/paisleypinball/monopoly/eliminate_backbox_hum_and_buzz.htm

https://groups.google.com/forum/#!searchin/rec.games.pinball/tspp$20speaker$20pot/rec.games.pinball/RiqCixRjptI/c3jTUzOgqdYJ

#9 8 years ago

First you need to go to your adjustments menu then standard adjustments then number 41 is custom message on or off. Make sure that set to ON. Then back out and go to utilities. From there go to utilities and choose ABCD custom message and then enter your message. Choose END to save it. Then back out and it should be saved.

1 week later
#14 8 years ago

Thx! I've already shipped one or two pairs. I have parts to make a few more if anyone wants.

2 weeks later
#20 8 years ago

Thanks for the feedback guys! Glad these are working out for everyone. I've had more interest than anticipated and have some more parts on the way. They are $10/pr shipped. PM if interested and I'll give you my paypal address. I have two pairs shipping today and the rest will ship next week. Here's the list so far:

homer714-1pr-paid-shipped
robotronx-1pr-paid-shipped
dredd1977-1pr-paid shipped
strohz-1pr-paid-shipped
nerbflong-2pr-paid-shipped
jalkelly-1pr-paid-shipped
MJW-1pr-paid-shipped

Let me know if I missed anyone.

2 weeks later
#22 8 years ago

Glad you like! Everyone else work okay? One member in Italy is reporting it not working. Perhaps it has to do with 240 voltage?

4 months later
#26 7 years ago

Awesome, glad I could help. I've had a few recent requests for some, but I'm out of parts and really don't want to make more. I got the 10k ohm adjustable pots and IC clip hooks off Amazon if someone wants to make their own, or make some for others.

Screenshot_2016-06-17-01-41-09_(resized).pngScreenshot_2016-06-17-01-41-09_(resized).png

Screenshot_2016-06-17-01-41-41_(resized).pngScreenshot_2016-06-17-01-41-41_(resized).png

6 months later
#32 7 years ago

Happy New Year Pinsiders! I've had some additional requests for these and have decided to make up some more. I'm going to list them on eBay primarily because I've missed several IM or email requests (sorry guys) and eBay won't let that happen.

Edit-auction has ended.

Screenshot_20170112-021448 (resized).jpgScreenshot_20170112-021448 (resized).jpg

#36 7 years ago
Quoted from Pinzap:

I'll be buying a set right now. Thanks!!
lermods, check out video in post #1... the answers to your questions and more are explained there.

Order received, thx! Indeed, I made the video pretty self explanatory. In fact when I soldered up a set last night I kinda forgot how I made them so I referred back to my video!

#45 7 years ago

Thanks all. I have 5 more pairs that I'm shipping out today. They each come with instructions which mavantix pretty much covered above.

#49 7 years ago

Glad that worked for you! Love the backbox lights, might steal your design!

3 weeks later
#55 7 years ago

Thanks all. Glad everyone's having luck with these. Auctions ended. I won't be making any more for a while. I'm going to post up my instructions that I include with each set. They and the video is all anyone who endeavors to needs to make and install some.

1 month later
#59 7 years ago

Here's the instructions I promised.

tspp resistor install (resized).jpgtspp resistor install (resized).jpg

tspp mod schematic (resized).jpgtspp mod schematic (resized).jpg

#60 7 years ago
Quoted from Cserold:

Very nice. What gauge wire did you use for the red and black wire?

22ga from Amazon.
Remington Industries 22UL1007STRBLA UL1007 22 AWG Gauge Stranded Hook-Up Wire, 300V, 0.0253" Diameter, 100' Length, Black https://www.amazon.com/dp/B00NB3U2BU/ref=cm_sw_r_cp_apa_lxg1yb30HA2QM

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