5-3 Opening the Spectrum Master Case Chapter 5 — Assembly Replacement
5-4 PN: 10580-00342 Rev. D MS2720T MM
6. Partially open the case and carefully disconnect the ribbon cable that connects the Spectrum Analyzer
Assembly to the Main PCB Assembly. The cable is attached between the two sides of the
Spectrum Master.
7. The Spectrum Master can now be fully opened and laid flat.
8. Carefully remove the 3 connectors at the bottom of the Main PCB Assembly. Note the cable routing in the
cable retainer and the location where each cable is connected.
9. The two halves of the instrument can now be safely separated (Figure 5-4). Refer to the following sections
of this chapter to remove and replace specific components of the instrument.
10. Reverse the above steps to reassemble the case.
Figure 5-3. Disconnect the Cables Between the Two Halves of the Spectrum Master
Note Proper routing of the cables is important for instrument performance. Note the cable routing.
Disconnect one side of this ribbon cable
to fully open the case.
Disconnect to separate the two halves of the Spectrum Master
Cable retainer
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