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Power issue with Sony Radio CD player and cassette player CFD-S05 unit is plugged in and I have a second unit that works with the power cord.
Please check whether your symptom matches The Sony CFD-S05 unit will not power up . I added a detailed answer how I fixed the device there.
Edward Walker you need to take a look at the power supply. Most likely a capacitor or transformer issue. Disassemble your unit CFD-S05 Disassembly and post some images of the power board so we can see what you see. Here is the guide for that Adding images to an existing question