System Operation Flow - LG LGDVB418 Manual

2. System operation flow

Power On
1. 8032 initializes SERVO, DSP & RISC registers
2. Write RISC code to SDRAM
3. Reset RISC
Show LOGO
Tray Closed?
YES
Tray Close to Closed position
SLED at Inner
SLED Moves to Inner Positi on
1. Judge whether have disc and disc type
2. Jump to related disc reading procedure
OPEN/CLOSE
1. Execute Pressed Key & IR Key
2. System operation Routine Loop
1. Stop Playback & Open Tray
2. Display tray open message & LOGO
NO
CLOSE Key?
NO
Side ?
NO
Reci eve
Key?
NO
Receive
YES
YES
YES
3-4