Bose 151 Manuale di servizio - Pagina 4
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NOTE: Refer to Figure 2 for an exploded view of the speaker assembly. Certain parts will
be referred to in these procedures. The item number which corresponds to the part will be
enclosed in parentheses-i.e.-grille (1).
1. Grille Removal
NOTE: The grille is made entirely of metal. Do not try to remove the grille by pulling on the
plastic (polypropylene) speaker enclosure.
A. Insert the tip of a scribe or nail through one of the perforations in the grille (1). Hint:
Insert at one of the corners. Carefully work the grille out of the retaining slot.
2. Grille Replacement
A. To install the grille (1), make sure that it is oriented as shown in Figure 2.
B. Align the grille to the speaker enclosure and push in lightly.
3. Driver Removal
A. Remove 3 screws (4) which secure the driver (3) to the speaker baffle (6).
B. Carefully lift the driver out of the enclosure and cut the wires as close to the driver
terminals as possible.
4. Driver Replacement
A. Strip the wires and connect to the replacement driver (3). Make sure that the red wire is
connected to the positive (+) terminal and the black wire is connected to the negative (-)
terminal of the driver. Make sure that the driver terminals are centered in the speaker
enclosure. The correct orientation is shown in Figure 2.
B. The gasket (5) must also be correctly positioned behind the driver to provide an airtight
seal. Secure the driver (3) to the baffle (6) with 3 screws (4). Repeat the driver test
procedures.
Disassembly/Assembly Procedures
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