7Input LInput ROutput LOutput RCascadeCascadeTRIGGER IN12VRelayPower Supply Board(SMPS)AC PLUG IN5V/1A Standy circuitmeet 0.5W requirementMCUTo MCULEDs Control circuitInput LInput ROutput LOutput RCascadeCascadeZone 1 INZone 1 OUTZone 2 OUTZone 2 INFOUR CHANNELS SEPERATED POWER AMPLIFIERSAudio sense circuitProtection circuitZone 1 LZone 1 LRZone 2 RZone 2 LFan Contril CircuitHeatsink 1Heatsink 2+-+-ZONE 2ZONE 2RIGHTLEFTBRIDGE+-+-ZONE 1ZONE 1RIGHTLEFTBRIDGE+45V/4A-45V/4A5VSRelayTo MCUNAD CI940 BLOCK DIAGRAMVERSION: V1.0Drafted by: BENData: 2014-2-25BLOCK DIAGRAMS2STB FROM MCU