Bose aw-1 Manual page 8

DISASSEMBLY/ ASSEMBLY PROCEDURES
8. Control PCB Replacement
8.1 Attach the three wire connectors (two
on later version units) to the control PCB.
8.2 Replace the three screws (29) that
secure the control PCB to the chassis (10).
8.3 Replace the control cover (26) so that
the buttons (16 and 12) line up with the
spacers (25) on the controls PCB.
8.4 Replace the three screws (29) that
secure the control cover (26) to the chas-
sis.
9. Cassette Deck Removal
9.1 Perform procedure 3 first.
9.2 Remove the three screws (29) that
secure the digital PCB to the chassis (10)
and move the digital PCB off to the side.
9.3 Remove the single screw (29) that is
located at the front right of the control cover
(26). This screw needs to be removed to
access one of the cassette deck wire
connectors.
9.4 Remove the five screws (29) that
secure the cassette deck to the chassis.
9.5 Remove the three wire connectors that
connect the cassette deck to the main PCB
and lift the cassette deck up.
10. Cassette Deck Replacement
10.1 Lower the cassette deck into the
chassis (10) so that the record lever (27)
inserts into the record switch that is located
on the main PCB.
10.2 Replace the three wire connectors
that connect the cassette deck to the main
PCB.
10.3 Replace the five screws (29) that
secure the cassette deck to the chassis.
10.4 Replace the single screw (29) that is
located in the front right of the control cover
(26).
10.5 Move the digital PCB onto the chassis
and replace the three screws (29) that
secure it to the chassis.
11. Cassette Deck Belt Removal
See Figure 2
11.1 Perform procedure 9 first.
11.2 Remove the three screws (1) that
secure the pulley bracket to the cassette
deck. Lift the plate off.
11.3 Pull the pulley out and remove the
belts.
12. Cassette Deck Belt Replacement
See Figure 2
12.1 Place the smallest belt on the lower
part of the metal pulley and the lower
plastic pulley. Insert the metal pulley into
the capstan bearing housing.
12.2 Place the largest belt on the motor
pulley and the middle section of the metal
pulley.
12.3 Place the remaining belt on the top of
the metal pulley and the remaining plastic
pulley.
12.4 Replace the three screws (1) that
secure the pulley bracket to the cassette
deck.
Note: Make sure the leaf switch, which is
located on the pulley bracket, sits behind
the mechanical switch tab. If the metal
portion of the leaf switch touches the
cassette deck, the fuse will blow when
pause is depressed.
13. Cassette Deck Motor Removal
See Figure 2
13.1 Perform procedure 9 first.
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