Disassembly Procedures - Bose PACKLITE A1 Manual

DISASSEMBLY PROCEDURES

The PackLite TM A1 amplifier is housed in a
die-cast metal chassis. It is held together in
a clam-shell type configuration using four
screws.
Note: Refer to the photos at right or Figure 2
for the following information.
1. Top Chassis Housing Removal
1.1 Place the unit, top cover down, onto a
soft surface.
1.2 Using a Phillips-head screwdriver,
remove the four screws (12) that hold the
upper (1) and lower (10) chassis housings
together.
1.3 Turn the unit back over and carefully lift
the top chassis housing straight up.
Re-assembly Note: When re-installing the
top chassis housing, be sure that all four
rubber feet (6) are aligned with the grooves
in the upper chassis housing.
2. Input / Limiter PCB Assembly Removal
2.1 Perform procedure 1.
2.2 Using a pair of diagonal cutters, cut the
three wire ties that secure the various wire
harnesses to the input / limiter PCB (9).
2.3 Unplug the input / limiter PCB wiring
harnesses from the power supply / amplifier
PCB (8) at J301, J302 and J303.
2.4 Unplug the wiring harnesses at the two
LED PCBs (2 & 19) that are mounted in the
top housing.
2.5 Unplug the fan (5) wiring harness at
CN106.
2.6 Using a 1/2" nut driver, remove the nuts
that secure the INPUT and THRU 1/4" TRS
jacks to the rear panel.
2.7 Lift up the back corner of the input /
limiter PCB assembly and slide it away from
the rear panel. Lift out the PCB assembly.
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