Bose 500PM, Руководство по обслуживанию, Страница: 7 / 18

7
DISASSEMBLY/ASSEMBLY PROCEDURES
Figure 1. Model 500PM Loudspeaker Driver Wiring Diagram
-
+
BLUE
RED
GREY WHITE GREEN
YELLOW
BROWN
ORANGE
PCB
+ - + -
_
+
WHITE
GREY
RED
BLUE
BLUE
RED
YELLOW
GREEN
BROWN
ORANGE
-
+
-
+
+
-
BLACK BLACK
WOOFER
WOOFER
DRIVER DRIVER
DRIVER
Note: When removing the woofer
assembly, it is not necessary to cut the
black wire used to connect the dual voice
coils in series. Refer to Figure 1.
5.5 Make a note of the wiring color code,
and cut the blue and red wires of the
harness assembly (3) as close to the
terminals as possible.
5.6 Once you have the woofer assembly
out of the loudspeaker cabinet, remove the
black wire used to connect the dual voice
coils in the woofer assembly in series.
Retain it for use on the replacement woofer
assembly.
6. Woofer Replacement
6.1 Using the wiring diagram, solder the
blue and red wires to the correct terminals
on the woofer assembly (11) to be
replaced.
Note: Be sure to replace the black wire
used to connect the dual voice coils on the
woofer assembly in series.
6.2 Align the woofer assembly (11) into the
speaker cabinet, making sure that the
woofer gasket (10) is located properly
behind the driver.
6.3 Secure the woofer assembly to the
speaker cabinet using the four screws (2)
removed in procedure 5.4.
6.4 Replace the batting material removed
in procedure 5.3.
6.5 Align the array bezel (12) so that the
tabs located on the sides of the array bezel
are located toward the center of the
speaker cabinet.
6.6 Secure the array bezel to the speaker
using the twelve screws (2) removed in
procedure 5.1.