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Old 22nd Nov 2020, 2:32 pm   #7
ben
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Join Date: Aug 2006
Location: Madrid, Spain / Wirral, UK
Posts: 7,484
Default Re: ITT SL 530 Cassette Recorder Check Out

Early Tanashin mech.
You have eliminated the rectifier and amp power output stage. The hum is likely from cracked earthing joints in the preamps, vol control area or mode switch. I also had one case where the actual head was bad and acted as antenna!
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