JVC TH-G40C Service Manual page 22

5.3 System operation flow
YES
NO
1-22 (No.MB672<Rev.002>)
Power on.
1. Initializes SERVO, DSP & RISC registers.
2. Write RISC code to SDRAM.
3. Reset RISC.
Show LOGO.
Tray closed?
NO
Tray close to closed position.
SLED at inner side?
NO
SLED moves to inner position.
1. Judge whether have disc and disc type.
2. Jump to related disc reading procedure.
Recieve
OPEN/ CLOSE
Key?
NO
1. Execute Pressed Key & IR Key.
2. System operation routine loop.
1. Stop Playback & Open Tray.
2. Display tray open message & LOGO.
YES
Receive
CLOSE Key?
YES
YES