My AUX port is fading out & popping. I switched RCA cables, no difference. Have you tried WD-40s contact cleaner? Does it compare to Deoxit contact cleaner? : r/vintageaudio

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Can you use Electrical Contact Cleaner Spray to clean tape heads in a cassette player? - Quora

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Can you use Electrical Contact Cleaner Spray to clean tape heads in a cassette player? - Quora

Can you use Electrical Contact Cleaner Spray to clean tape heads in a cassette player? - Quora

My AUX port is fading out & popping. I switched RCA cables, no difference. Have you tried WD-40s contact cleaner? Does it compare to Deoxit contact cleaner? : r/vintageaudio

UPBRIGHT New Audio Out to Line In AUX Cable Cord For Durabrand CD-566 CD-565 CD-625 CD-965 CD Player

Deoxit D5 & Wd40 contact cleaner, repairing old amplifier