JVC KD-ADV49J Service Manual page 14

3.1.2 Removing the top Chassis(See Fig.2 to 4)
(1) From the side of the main body, remove the two screw C
attaching the both side of Top chassis.(See Fig.2)
(2) From the bottom side of the main body, remove the two
screws D attaching the Top chassis.(See Fig.3)
(3) From the back side of the main body, remove the four
screws E attaching the Top Chassis.(See Fig.4)
1-14 (No.MA401<Rev.001>)
C
Fig.2
D
Fig.3
E
Fig.4