Diagnostics and PCB and Assembly Replacement
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_________________________________________________ Replacing PCBs in the MS Detector
_______________________ Finnigan LTQ Hardware Manual ______________________
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6.4 Replacing PCBs in the MS Detector
The LTQ electronic assemblies are close-packed to minimize the size of the
system. Due to the complexity of removing and reinstalling many of the LTQ
PCBs, we recommend that a Thermo Electron Field Service Engineer replace
the electronic assemblies.
PCBs and assemblies in the MS detector are shown in Figure 6-3
CAUTION. Shutdown the system and unplug the power cord before you
access PCBs and electronic assemblies.
Caution. To prevent damage to the electronics due to electrostatic discharge,
attach an electrostatic discharge (ESD) strap to your wrist before handling
PCBs.
Figure 6-3. LTQ PCBs, power supplies, and electronic modules
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