Marantz 2230 (Unit #2) Repair Part 2 - Power Amplifier
This repair video was filmed in mid-April. Due to the situation, I finally have a free time to finish the editing today. The unusual high voltage measured at power amp output was caused by a defective transistor H752 (not the power transistors as I suspected at the beginning). So this repair video may help other DIY fans to deal with the same issue as I had.

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Marantz 2230 (Unit #2) Repair Part 1 - Preamp One Channel Not Working

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Marantz 2230 (Unit #1) Repair - Uneven Sound Outputs

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Marantz 2230 Stereo Receiver Repair Part 1 - Repairing a Distorted Right Channel

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Marantz 2230 Receiver - repair & testing

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Marantz 2230 Stereo Receiver Repair Part 2 - Replacing the Power Switch

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Diagnosing a Pioneer SX-535: High DC Voltage at Speaker Terminals!

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