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I have an AU-11000 that I recently acquired. The power supply boards (F-2582 & F-2568) had some fried components that needed replacing. I replaced all the electrolytic caps, diodes and almost all the transistors. Upon power up the protection works properly and the main amp works but running...

Hey guys, I recently acquired a ka-6100 that had no sound. Opened it up and found 2 fuses blown Fm2 & Fm4 and a bad diode (burned & shorted closed) in the bridge rectifier for R channel. Also found a bad regulator transistor (Qm29). So I replaced both voltage regulator transistors (Qm29 & Qm30)...

Hi, I'm a newbie to this site so please bare with me. I am rebuilding my marantz 2285B starting with the power supply (P800). The question I have is capacitor C804 is shown as 10uf/50v in the schematic however what is installed on the board is a 47uf/50v. Can anyone confirm what should be in...