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I wired the original headphone jack in my DMG for postpot prosound and it works fine for a few minutes then just turns off. The battery light stays on, but the  system shuts off just like I flipped the power switch. Any ideas?

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New Albany Indiana

It sound broken. Get a new one and do it right.

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Michigan

lol.
Remove the mod and check EVERY point where you soldered to. It sounds like there could be a short where-in the circuit is drawing too much power.

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I switched out the back board for an extra I had. Good to go.

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I had this same problem until i put heat shrink around the solder points of the headphone jack I'm using.