Thread: Troubleshooting a dead pre-amp
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Old 18-Apr-2019, 10:45 PM   #4
rabbit73
Retired A/V Tech
 
Join Date: Aug 2012
Location: S.E. VA
Posts: 2,747
First power, then signal.

The spikes from nearby EMP or static discharge would take out the first LNA IC.

In the Winegard LNA200, it would most likely be Q2 even though it has 2 transient suppressors.











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Last edited by rabbit73; 20-Apr-2019 at 5:25 PM. Reason: Added Q2 LNA IC specs
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