Remodeling From 5.25" Model To 3.5" Model; Orientation - Sony SDX420C User Manual

Remodeling from 5.25" Model to 3.5" Model

You can remodel the SDX-420C/R and the SDX-520C/R (5.25" model) to
the SDX-420C and the SDX-520C (3.5" model) yourself.
1
Remove the 2 screws for each side rail.
2
Take the side rail off.

Orientation

10
10 10
Side Rail (L)
10 10
Side Rail (R)
10 10
10
10