Bose 1800 Manual de serviço - Página 9
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DISASSEMBLY/ASSEMBLY PROCEDURES
Note: Refer to Figures 3, and 4 for the
following procedures.
9. Gain Control Removal
9.1 Perform procedure 5.
9.2 Remove the gain control knobs.
9.3 Unsolder the capacitor lead and wires
from the control.
9.4 Remove the nut that secures the
control to the front panel and remove the
control.
10. Gain Control Replacement
10.1 Place the new control into the front
panel and secure it into place.
10.2 Resolder the capacitor lead and the
wires to the terminals on the gain control.
10.3 Perform procedure 6.
11. Power Switch Removal
11.1 Perform procedure 5.
11.2 Remove the wires on the rear of the
power switch.
11.3 Remove the nut securing the switch
to the front panel and remove the switch.
12. Power Switch Replacement
12.1 Place the new power switch into the
front panel and secure it in place.
12.2 Reconnect the wires on the rear of
the switch.
12.3 Perform procedure 6.
1800 Power Amplifier
Note: Refer to Figure 6 for the following
procedures.
13. Rear Panel Removal
13.1 Perform procedure 1.
13.2 Locate and remove the four screws
securing the rear panel and the rear panel
bracket to the unit.
Note: One of the screws holds the ground
wires to the chassis. Take care not to lose
the nuts that secure this screw and the
wires.
14. Rear Panel Replacement
14.1 Align the rear panel with the chassis.
14.2 Secure the rear panel to the chassis.
Be sure to use the rear panel bracket on
the bottom of the panel.
14.3 Secure the ground wires to the
chassis.
14.4 Perform procedure 2.
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