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  1. daveyh

    Marantz 4230 P700 repair questions

    I am having problems with one of my Marantz 4230 amplifier boards. I recapped both boards and recapped the power supply. I have also replaced all the transistors on both boards. I used TIP31CG for the outputs. I have pulled and checked the diodes and resistors. I have not replaced (but have on...
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