Bose LT 6403 Manual - Page 20

Browse online or download pdf Manual for Speakers Bose LT 6403. Bose LT 6403 35 pages. Lt and mb series loudspeakers
Also for Bose LT 6403: Installation Manual (32 pages), Installation Manual (32 pages), Owner's Manual (32 pages)

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8. 15 Inch Woofer Removal

Note: The LT 6400 and LT 9400 speakers do

not have a woofer.

8.1 Remove the 16 screws securing the

rear panel to the enclosure. Remove the

rear panel.

Re-assembly Note: When re-installing the

rear panel, be sure to torque the screws to

11 to 21 inch lbs.

8.2 Make a note of the wiring connections,

and disconnect the RED (+) and BLACK (-)

wires connected to the woofer.

8.3 Remove the 8 screws (11) securing the

woofer (10) to the enclosure.

8.4 Lift the woofer out of the enclosure.

Re-assembly Note: When re-installing the

woofer, be sure to torque the screws to 11

to 21 inch lbs.

Panaray

LT 6400 and LT 9400 Mid/High

Frequency Loudspeakers

CAUTION: The rear of the Panaray

and LT 9400 loudspeakers can become

extremely hot during normal use. Do not

attempt to service the loudspeakers until they

have cooled to room temperature.

Note: Refer to Figures 6 and 8 for the

following procedures.

1. Grille Removal

1.1 Remove the eighteen screws (21) that

secure the grille assembly (2) to the cabinet.

1.2 Lift the grille assembly off of the cabinet.

2. Logo Removal

2.1 Remove the grille using procedure 1

above.

Disassembly Procedures

LT 6400

2.2 On the back of the grille, carefully re-

move the slotted washer that retains the

spring and spacer against the back of the

grille. Note the direction the spacer faces.

Slide the spring and spacer off of the logo

post.

3. Input Panel Assembly Removal

3.1 Remove the six screws (11) that secure

the input panel assembly (10) to the cabinet.

Disconnect the cables that plug into the

PCB. Lift out the assembly.

3.2 Unplug the wiring harness at X1.

4. Crossover PCB Removal

4.1 Remove the eighteen screws (21) that

secure the grille assembly to the loud-

speaker. Lift off the grille.

4.2 Remove the twelve screws (18) that

secure the waveguide assembly to the

loudspeaker cabinet. Slowly slide out the

waveguide assembly and unplug the cable

wiring harness at X1.

4.3 Remove the screws (14) that secure the

crossover PCB assembly to the rear panel.

Lift off the crossover PCB assembly.

5. Audio Transformer Removal

5.1 Remove the eighteen screws (21) that

secure the grille assembly to the loud-

speaker. Lift off the grille.

5.2 Remove the twelve screws (18) that

secure the waveguide assembly to the

loudspeaker cabinet. Slowly slide out the

waveguide assembly and unplug the cable

wiring harness at X1.

5.3 Remove the two screws that secure the

audio transformer to the rear panel. Lift off

the audio transformer.