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DISASSEMBLY PROCEDURES
7. AC Voltage Select PCB Removal
7.1 Perform procedure 6.
7.2 Remove the four screws (2) that secure
the AC Voltage Select PCB to the chassis
rear panel. Lift out the PCB.
7.3 Make a note of the wiring configuration
and disconnect the six wires that connect to
the board.
CAUTION: Be sure to re-connect the wires
to the proper locations on the AC voltage
select PCB when re-installing it. Failure to do
so could damage the unit.
8. Power Transformer Removal
8.1 Perform procedure 6.
8.2 Disconnect the power transformer (14)
wiring harness from the power amplifier
PCB module assembly (33).
8.3 Remove the bolt (17), washer (15) and
spring washer (16) that secure the power
transformer (14) to the chassis (1). There
should also be a cup washer and rubber
pad located on top of the transformer.
8.4 Remove the two screws (6) that secure
the AC inlet assembly (7) to the chassis rear
panel. Remove the ground nut (9) from the
stud on the chassis. Lift out the power
transformer.
Summary of Contents for FREESPACE 4400
Page 87: ...87 Circuit Board Layout Diagrams Figure 12 DSP PCB Top Etch Board Layout Diagram ...
Page 88: ...88 Circuit Board Layout Diagrams Figure 13 DSP PCB Bottom Etch Board Layout Diagram ...
Page 90: ...90 Circuit Board Layout Diagrams Figure 18 Amplifier Upper PCB Top Etch Board Layout Diagram ...
