Bose 500PM Service Manual page 8

DISASSEMBLY/ASSEMBLY PROCEDURES
6.7 Replace the grille (14) using
procedure 2.
7. Crossover Assembly and Binding Post
Connector Removal
7.1 On the rear of the speaker cabinet,
use a phillips-head screwdriver to remove
the four screws (2) that secure the binding
post connector (7) to the cabinet.
7.2 Gently pull the binding post connector
straight out of the speaker cabinet until you
see the crossover assembly (8).
7.3 Angle the binding post connector so
that the crossover assembly can be pulled
out through the opening on the rear of the
speaker cabinet. Gently pull the crossover
assembly out of the speaker cabinet. Be
careful not to damage any components on
the crossover assembly.
Note: Be sure to retain the rubber bumper
that is mounted in the center of the PCB.
You will need to reinstall it with the
crossover assembly. It is used to prevent
vibration of the crossover assembly during
loudspeaker operation.
7.4 Unplug the speaker harness (3)
connector from the crossover assembly.
7.5 Use a phillips-head screwdriver to
remove the four screws (9) that secure the
binding post connector to the crossover
assembly.
7.6 Slide the crossover assembly straight
off of the tabs on the binding post
connector.
8. Crossover Assembly and Binding Post
Connector Replacement
8.1 Slide the crossover assembly (8) onto
the tabs located on the binding post
connector (7).
8.2 Using the four screws (9) removed in
procedure 7.5, secure the crossover
assembly to the binding post connector.
8.3 Plug the speaker harness (3)
connector onto the crossover assembly.
8.4 Gently slide the crossover assembly
into the the speaker cabinet, taking care
not to damage any components. Be sure
that the black rubber bumper is installed
into the center of the crossover assembly,
and that it remains in place during this
procedure.
8.5 Secure the binding post connector to
the speaker cabinet using the four screws
(2) removed in procedure 7.1. Do not
overtighten the screws.
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