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SECTION 5
ILLUSTRATED PARTS BREAKDOWN
5.1
GENERAL DISCUSSION
This section illustrates the various sub-assemblies and component parts of the Q2080. Quantum part numbers
are listed by call out numbers on the exploded drawings. Both Quantum and commercial part numbers are given for
those electronic parts where appropriate.
5.2
MAJOR ASSEMBLIES
Figure 5-1 is an exploded view of the drive showing
1. Cabinet assembly
2.
Drive control PCBA
3.
Drive assembly
5.3
SUB-ASSEMBLIES
Figure 5-2 shows an exploded view of the Drive Assembly showing all replaceable parts of the drive; bubble,
head arms, disks, AC motor, etc.
Figure 5-3 shows an exploded view of the Drive Power Op Amp Assembly.
Figure 5 -4 shows an exploded view of the Actuator Sub-Assembly.
Figure 5-5 shows an exploded view of the Spindle and Disk Sub-Assembly.
Figure 5-6 shows an exploded view of the Head Arm Sub-Assembly.
Figure 5-7 shows an exploded view of the Cabinet Sub-Assembly.
Figure 5-8 shows an exploded view of the AC Drive Motor Assembly.
Figure 5-9 shows an exploded view of the DC Drive Motor Assembly.
Figure 5-10 shows an exploded view of the Bubble Sub-Assembly.
5.4
PRINTED CIRCUIT BOARDS
5.4.1 ENCODER PCB
Figure 5-11 shows the component layout of the Encoder PCB Assembly.
5.4.2 DRIVE CONTROL PCB
Figure 5-12 shows the component layout of the Drive Control PCB Assembly.
Throughout this section notes are used to indicate parts that are not field replaceable, e.g., bottom motor plate,
rotor, spindle, etc. All under bubble parts are only available to Quantum qualified repair centers.
5-1
REV A (01/84)
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