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Sammich SID problem, please help!


lazenbleep

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Hi! Long time no speak. 

So, I plugged in my Sammich after a 3 year break (I know, I'm sorry), and there's an issue. There is only some odd low level sounds. At one point I actually heard something like the SID, but it disappeared.

On opening up the box I found that the SIDS are REALLY hot when powered, like they burn to the touch. Any ideas, or starting points for investigation?

It's a pair of 8580's, 1A linear PSU, and it was working before. The mods are the potentiometer mods to A0-A4.

Many thanks!

 

 

SID.jpg

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What are your voltages at the regulators and at the vcc on the pic and at the 8580? I would make sure you  have your voltages set properly. You can test with the sids out so you do not burn them. If the voltage is low you may have a short or have a bad solder or bad component somewhere to find. Maybe you are using the wrong power supply as well. That could be causing a lot of extra heat if the regulators have to dissipate a higher voltage as heat.

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  • 6 years later...

OK apologies, that took a little while.  6 years and 3 children later, I'm back.

So Voltages match the build guide, with the exception that 12V reads as 10.86. the guide suggested this would be ok.

Any ideas?

 

Thank you!

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  • 3 months later...
On 5/19/2024 at 1:06 PM, lazenbleep said:

OK apologies, that took a little while.  6 years and 3 children later, I'm back.

So Voltages match the build guide, with the exception that 12V reads as 10.86. the guide suggested this would be ok.

Any ideas?

 

Thank you!

Try to replace sids with cheaper alternatives like swinsid

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