Specifications

Take Apart Logic Board - 23
5 Remove the jumper from
the pins at location J18
on the defective board.
Replacement Note: The
LC 475 and Quadra 605
use the same logic board
replacement. The Quadra
605 requires a jumper
to connect the pins at
location J18. Quadra
605 service
replacement logic boards
do not include the
jumper.
Quadra 605 Logic Board
J18
Jumper