3-5ELECTRICAL TROUBLESHOOTING GUIDEPower on1. 8032 initializes SERVO,DSP & RISC registers2. Write RISC code to SDRAM3. Reset RISCShow LOGOTray close to closed positionSLED moves to inner position1. Judge whether have disc and disc type2. Jump to related disc reading procedure1. Execute pressed Key & IR key2. System operation routine loop1. Stop playback & open Tray2. Display tray open message & LOGONOYESYESNOYESYESNONO3. SYSTEM OPERATION FLOWTray closed?SLED at inner side?Recieve OPEN/CLOSE Key?Receive CLOSE Key?