Sony HCD-MX500i Service Manual page 5

HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF
MAIN, BD96/BD96U AND SP BOARDS SERVICE POSITION
SP board
bottom side
1 Insert the hard metal fittings of L character type in the
hole of the chassis, and push the lever in the direction
of the arrow.
MAIN board
BD96 board (Canadian)
BD96U board (Except Canadian)
HCD-MX500i/MX550i
5