Bose 1600-VI Service Manual download pdf (Page 24)

24

DISASSEMBLY/ASSEMBLY PROCEDURES

Note: Refer to Figures 5, 6 and 7 for the

following procedures.

9. Line Filter Removal

9.1 Remove the cover (1) using

procedure 1.

9.2 Make a note of the wiring configuration

of the line filter (10) and disconnect the

wires.

9.3 Using a phillips-head screwdriver and a

5/16 wrench, remove the two screws (11)

and locknuts (12) that attach the line filter

to the chassis (2). The screws are driven

from the bottom of the chassis.

9.4 Remove the line filter from the

chassis.

10. Line Filter Replacement

10.1 Align the line filter (10) to the

chassis (2). Refer to Figures 16 and 17.

10.2 Secure the line filter to the chassis

using the two screws (11) and locknuts (12)

removed in procedure 9.3. The screws are

driven from the bottom of the chassis.

10.3 Connect the cables from the line

cord (31) and power supply to the

terminals of the line filter. Refer to the

Wiring Diagrams Figures 19 and 20.

10.4 Replace the cover using procedure 2.

Note: Refer to Figure 7 for the following

procedures.

11. Transformer Removal

11.1 Remove the cover (1) using

procedure 1.

11.2 Make a note of the wiring configuration

and disconnect all of the connectors

attached to the transformer (4) terminals.

11.3 Place the chassis (2) on its side.

11.4 While holding the transformer with one

hand, use a phillips-head screwdriver to

remove four screws (13) and washers (14)

from the bottom of the chassis.

11.5 Remove the transformer from the

chassis.

12. Transformer Replacement

12.1 Place the chassis (2) on its side. Align

the transformer (4) in the chassis so that

the six terminal side of the transformer is

next to the large capacitors of the power

supply board (7).

12.2 While holding the transformer with one

hand, use a phillips-head screwdriver to

tighten four screws (13) and washers (14)

from the bottom of the chassis.

12.3 Return the cables to their designated

terminals on the transformer. Refer to the

Wiring Diagrams, Figures 19 and 20 for

proper hookup.

12.4 Replace the cover (1) using

procedure 2.

Note: Refer to Figures 6 and 7 for the

following procedures.

13. Amplifier Board Removal

13.1 Remove the cover (1) using

procedure 1.

13.2 Disconnect the two ribbon cables

connected to the I/O board (6), J101 and

J201, from the amplifier board (15).

13.3 Disconnect the large ribbon cable

JP200 from the power supply board (7).

13.4 Make a note of the wiring configura-

tion and disconnect the cables connected

to terminals WL1, WL2, WL100, WL101,

WL200 and WL201 on the output

board (16).

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