Audi Concert Power Issue

A3Kent

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Morning all,

I replaced my Concert III head unit with RNS-E about 3 or 4 months ago. I have since sold the Concert III head unit on the bay only to be told that the unit will not power on at all!!! So, no choice but for the buyer to send it back, so i've got it back and want to test it. It worked fine when NHN took it out.

How can I get power to it without plugging it into the car? i.e at home.

It has this sticker on it, which pins need power?

Thanks

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