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Sony AM/FM Stereo Tuners

Service manuals (en) added for the Sony ST-88, ST-818, ST-909R, ST-919, ST-5100, ST-A70, ST-A790, ST-D505, ST-D705, ST-D707, ST-D777ES, ST-D905, ST-H300, ST-H500, ST-H3600, ST-H3700, ST-H6600, ST-H6700 and ST-H7900 AM/FM stereo tuners. Thanks again to Ivy Caudieus for the scans