Alpine amp repair Oldskool

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Hi , I picked up a nice looking Alpine 3502 today

I hooked it up to my bench supply and nothing, the amp came with a din to rca converter with remote wire.

When I put power to the remote wire it sparks indicating a short.

Iv'e added som internal pics - all looks ok and no burnt smells or visible traces

Any ideas?
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This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.