Bose SM-1 User Manual download pdf (Page 8)

8

DISASSEMBLE/ASSEMBLY PROCEDURE

901 EQ Disassembly/Assembly

5. PCB Removal

5.1 Perform procedure 1.

5.2 Remove the four screws that secure

the PCB to the chassis and lift the PCB out.

6. PCB Replacement

6.1 Place the PCB into the chassis and

secure it to the chassis.

6.2 Perform procedure 2.

7. Treble Control Removal

7.1 Perform procedure 3.

7.2 Remove the wires form the control,

make note of the placement of the wires.

8. Treble Control Replacement

8.1 Solder the wires onto the control.

8.2 Place the control into the chassis and

secure it in place.

8.3 Perform procedure 4.

9. Switch Removal

9.1 Perform procedure 3.

9.2 Remove the wires from the switch,

make note of the placement of the wires.

9.3 Remove the rivets that secure the

switch to the chassis, using a drill.

10. Switch Replacement

10.1 Secure the new switch to the chassis

using rivets or screws.

10.2 Solder the wires to the switch.

10.3 Perform procedure 4.

Note: Refer to figures 5 and 6 for the

following procedures.

1. Top Cover Removal

1.1 Turn the unit over (top down) and

remove the four screws located at each of

the corners.

1.2 Flip the unit back over and remove the

top cover.

2. Top Cover Replacement

2.1 Align the top cover with the front panel

(there is a groove in the top cover for the

front panel to slide into).

2.2 Flip the unit over and secure the top

cover using the screws that had been

removed.

3. Front Panel Removal

Note: The series II EQ has a red indicator

lens. Refer to Figure 7. for removal.

3.1 Perform procedure 1.

3.2 Remove the treble control knob using

an Allen Wrench to loosen the set screw.

3.3 Remove the nut holding the treble

control to the chassis.

3.4 Remove the small nut on the inside of

the chassis that secures the front panel to

the chassis.

4. Front Panel Replacement

4.1 Align the front panel screw with the

chassis.

4.2 Secure the front panel to the chassis.

4.3 Secure the treble control to the chassis

and replace the control knob.

4.4 Perform procedure 2.

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