3-32. SYSTEM OPERATION FLOWNONONOYESNOYESYESYESPower On1. 186 CPU initializes SERVO,DSP & RISC registers2. Write RISC code to SDRAM3. Reset RISCShow LOGOTray Closed ?Tray Close to Closed positionSLED at Inner Side ?SLED Moves to Inner Position1. Judge whether have disc and disc type2. Jump to related disc reading procedureRecieve OPEN/CLOSE Key?1. Execute Pressed Key & IR Key2. System operation Routine Loop1. Stop Playback & Open Tray2. Display tray open message & LOGOReceive CLOSE Key?