Project Start
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Balanced Audio In → RF/EMI Filter → Differential Line Receiver / Gain & DC Block → IRS2092S Controller ↓ External +12 V / -5 V Aux → Local Decoupling → IRS2092S → Gate Networks → 200 V Half Bridge ← External +85 V / 0 V / -85 V ↓ 22 µH / 0.68 µF Output Filter → Zobel → Speaker Out Protection/control: current sense → IRS2092S OC; MUTE/SD and FAULT connector. Signal ground and power ground meet only at STAR/NET-TIE.
Functional-block sourcing plan