(Topic ID: 220483)

Star Race system 80 no sound

By Rodp

4 years ago



Topic Stats

  • 8 posts
  • 5 Pinsiders participating
  • Latest reply 4 years ago by Spyderturbo007
  • No one calls this topic a favorite

You

Linked Games

Topic Gallery

View topic image gallery

miot1 (resized).jpg

#1 4 years ago

Hi I picked up a star race system 80 a couple of years ago and it worked great with no issues for a few months and then it started having sound issues. It started to make sounds constantly as soon as you started a game from time to time and then seem to sort itself out. Now there is no sound at all. I cant seem to find a straight forward post on how to check the board, also I can check the speakers but only with a multi meter which only lets me know that there is continuity threw the speaker any suggestions?

#2 4 years ago

There are a few possibilities...
...power to the sound board
...connectors...with system 80 games, connectors are always suspect until repinned. Reseat the sound board and driver board (left side) connectors several times.
...issues with the sound select transistors on the driver board
...issues with the MPU-to-Driver board harness pins
...MPU board issues
...and the death blow, issues with the "sounds only" board itself. There are two NLA parts on that board, 6503 and 6530. If the the 6530 goes, you're SOL. If the 6503 goes, they can be sourced, but are pricey. Other parts on the board can be sourced and replaced. One fairly prevalent issue with that board is that the large cap top center leaks and eats into the trace below it. Given the description, that's something to investigate.

Remember, that sound board is not interchangeable with any other model of sound board (like Speech and Sound).

If you have other System 80 games, I'd do a little swapping of driver boards and harness first.
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

#3 4 years ago

Thanks for your help. All power and grounds tested good, the board and large cap looked good so even though I had continuity in both speakers I tried an 8 ohm speaker from an old stereo system we had around and presto I have sound. looks like I will need a pair of speakers. Hopefully the random sound issue I had wont come back now as I cleaned an reset the connectors.

#4 4 years ago
Quoted from ChrisHibler:

...and the death blow, issues with the "sounds only" board itself. There are two NLA parts on that board, 6503 and 6530. If the the 6530 goes, you're SOL. If the 6503 goes, they can be sourced, but are pricey. Other parts on the board can be sourced and replaced. One fairly prevalent issue with that board is that the large cap top center leaks and eats into the trace below it. Given the description, that's something to investigate.

Can you expand on this a little? I recently acquired two System 80A games and wondering if they fit in the "if the 6530 goes, you're SOL" category.

Does that mean that if that chip gets damaged that there isn't anything that can be done to fix the sound? Even one of the aftermarket card / board set things?

#5 4 years ago

Strikes and Spares in Europe used to make a piggy back board to replace the 6530. I purchased one but that was like 15 years ago.

miot1 (resized).jpg
#6 4 years ago
Quoted from Spyderturbo007:

Does that mean that if that chip gets damaged that there isn't anything that can be done to fix the sound?

If the chip is toast, you won't be able to get a direct replacement.

Your options at that point are the add-on board, or the pascal sound board.

https://coinop.mally.eu/produkt.php?bestellnr=101647&details=1

https://www.flippp.fr/pifx.php

#7 4 years ago

CactusJack and ForceFlow have answered the question.
I had a StrikesAndSpares MIOT adapter ages ago. It eventually failed. I was going to reverse engineer it as their solution was a good one. It used a stock 6532 to emulate the 6530. But then Pascal Janin built his sound board (link above) which is really nice.
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

#8 4 years ago

Ah, gotcha. I was scared there for a minute. Thanks everyone for the clarification.

Promoted items from the Pinside Marketplace
From: $ 18.00
Apparel - Men
Pinside Shop
$ 83.00
Electronics
PinballReplacementParts
From: $ 4.99
Cabinet Parts
Troxel Repair
From: $ 55.00
Gameroom - Decorations
Pinball Photos LLC
Hey modders!
Your shop name here

Reply

Wanna join the discussion? Please sign in to reply to this topic.

Hey there! Welcome to Pinside!

Donate to Pinside

Great to see you're enjoying Pinside! Did you know Pinside is able to run without any 3rd-party banners or ads, thanks to the support from our visitors? Please consider a donation to Pinside and get anext to your username to show for it! Or better yet, become a Pinside+ member!