Sony DSBK-210 Installation Instructions Manual page 23

5
Connect the harness to connectors CN200 and CN201 on
the DIF-109 board on the IF-821 board. (Both connectors
output the same signals.)
DIF-109 board
CN200 and CN201 connectors
6
Insert the IF-821 board in the board slot (fourth from the
outside).
Align the three connectors on the bottom of the board with
the three connectors inside the unit, and push the board
firmly into place.
IF-821 board
(Continued)
23