Sony DSBK-130 Operating Instructions Manual page 12

Installation
3
4
12
Plug the connector of the DSBK-130/130P board firmly
into the connector on the SY-220/241 board.
DSBK-130/130P board
(A)
With the two screws supplied with the DSBK-130/130P
board, fasten the DSBK-130/130P board to the SY-220/
241 board.
Push the connector
completely in, so that
there is no gap
between the two
connectors as seen
SY-220/241
along the direction of
board
arrow (A).
Metal cover of the
SY-220/241 board
Looking into holes in
the metal cover,
select the screw
holes surrounded by
white hatching.
DSBK-130/130P
This way:
Not this way: