5-3 Opening the Spectrum Master Case Chapter 5 — Assembly Replacement
5-2 PN: 10580-00342 Rev. D MS2720T MM
5-3 Opening the Spectrum Master Case
This procedure provides instructions for opening the Spectrum Master case. With the case opened, the internal
assemblies can be removed and replaced, as detailed in the following sections.
1. Remove the battery door and battery as shown in Section 4-2 “Battery Pack Removal and Replacement ”
on page 4-2.
2. Units with Option 31: The GPS SMA connector is now attached to front case and is no longer required
to be removed to open up the Spectrum Master case. (Figure 5-1).
3. Place the Spectrum Master face down on a stable work surface that will not scratch the display.
Caution
Electrostatic Discharge (ESD) can damage the highly sensitive circuits in the instrument.
The Spectrum Master contains components that can easily be damaged by electrostatic discharge
(ESD). An ESD safe work area and proper ESD handling procedures that conform to ANSI/ESD
S20.20-1999 or ANSI/ESD S20.20-2007 is mandatory to avoid ESD damage when handling
subassemblies or components found in the instrument.
Repair of damage that is found to be caused by electrostatic discharge is not covered under
warranty.
Figure 5-1. Option 31 Connector
Option 31
GPS Antenna
Connector
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