System Operation Flow - JVC XV-N350B Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE

2. SYSTEM OPERATION FLOW

YES
NO
Power on
1. 8032 initializes SERVO,DSP & RISC registers
2. Write RISC code to SDRAM
3. Reset RISC
Show LOGO
Tray closed ?
Tray close to closed position
SLED at inner side ?
SLED moves to inner position
1. Judge whether have disc and disc type
2. Jump to related disc reading procedure
Recieve OPEN/CLOSE Key?
1. Execute pressed Key & IR key
2. System operation routine loop
1. Stop playback & open Tray
2. Display tray open message & LOGO
Receive CLOSE Key?
NO
YES
NO
YES
NO
3-3
YES