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Author Topic: Stern sound problem  (Read 296 times)

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Offline benpin

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Stern sound problem
« on: November 05, 2011, 04:53:42 PM »
Need help here please, having problems, no sound from stern 300 sound card.

Mpu boot up and play, once you connect the sound card by the ribbon cables, MPU wont start at all, just a quick flash.

Have check the cable by buzz each end with meter. two break there which I have repair and all good.

Check the T/Points on the sound card, all good.

So what next, ideas please. !@#

 
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Offline ddstoys

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Re: Stern sound problem
« Reply #1 on: November 05, 2011, 04:59:26 PM »
No 100% sure on these so wait for others replies there is no CPU on the sound board it uses the MPU to run the board so if there is a fault on the board it will lock up the MPU

  Here is a link to a good sight I've found on the stern 100 board might give u an idea where to start
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Offline ddstoys

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Re: Stern sound problem
« Reply #2 on: November 05, 2011, 05:00:36 PM »
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Offline Strangeways

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Re: Stern sound problem
« Reply #3 on: November 05, 2011, 10:21:24 PM »

Make sure pin 1 on the sound board is pin 1 on the MPU. What you are describing sounds like the cable is installed incorrectly.
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Offline Ballywannabe

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Re: Stern sound problem
« Reply #4 on: November 06, 2011, 12:30:58 AM »
Except he says there are the correct voltages at the test points.  The easiest way to narrow down the problem is to have a known working soundboard on hand...
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Offline JRK1971

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Re: Stern sound problem
« Reply #5 on: December 07, 2011, 11:45:16 PM »
 Here is a link to an article on how to diagnose faults on the soundboard. I just used it to test mine. ^^^
http://www.pinball4you.ch/okaegi/rep_soundsb300.html


Also I posted a link on how to make an new cable for the sound board to MPU, this may help you if you need to make a new one
http://aussiepinball.com/index.php?topic=7553.0
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