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Sony STR-AV720

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Reverb

Sony Vintage Sony STR-AV720 FM/AM Stereo Digital Delayed Audio/Video Control Center 90s $85 15% Jun 22, 2025

Bonanza

Sony FM Stereo/FM AM receiver Operating Instructions Manual Model STR-AV720 Bonanza $34 Feb 14, 2025

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left channel out

By tvbobbyd, 7. July 2021, 21:07.

I have replaced the 2 channel amp and done hrs of checking voltages all seem ok and the input to the stk4221 surround speakers are ok both channels THe head phone jack does not cut out the other speakers when activated mybe not suppose too?? any ideas appri

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