JVC HR-XV45SEF Service Manual page 57

5.3 ELECTRICAL TROUBLESHOOTING GUIDE (DVD PART)
5.3.1 System operation flow
Power On
1. 8032 initializes SERVO, DSP & RISC registers
2. Write RISC code to SDRAM
3. Reset RISC
Show LOGO
Yes
Tray Closed?
Tray Close to Closed position
SLED at Inner
SLED Moves to Inner Position
1. Judge whether have disc and disc type
2. Jump to related disc reading procedure
Recieve
OPEN/ CLOSE
1. Execute Pressed Key & IR Key
2. Systemoperati on Routi ne Loop
1. Stop Playback & Open Tray
2. Display tray open message & LOGO
No
Receive
CLOSE Key?
No
Yes
Side?
No
Key?
No
Yes
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