Pioneer VSX322 no sound, repair, ADC replacement and more...
🛠️ Video description:
This video is about repairing a Pioneer VSX-322 AV receiver with a complex malfunction. I talk about diagnostics, replacing ADC and DAC chips, finding unstable power supply and strange circuitry. I explain step-by-step the repair process, testing, causes of failure and the final result.
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🧾 Service manual Pioneer VSX-322, VSX-322: https://drive.google.com/file/d/153Qf...
📎 Links to chips and documentation are in the description.
DAC PCM1681 https://s.click.aliexpress.com/e/_omx...
ADC PCM 9211 https://pl.aliexpress.com/item/100500...
Desoldering braid - https://s.click.aliexpress.com/e/_oFn...
Zener diode set - https://s.click.aliexpress.com/e/_ooa...
#Pioneer#VSX322#VSX321#DAC#PCM9211#amplifier#repair#