Galaxy DX-959 PRO Tune-up Report

Galaxy DX-959 PRO Tune-up Report for Larry in GA on 10-11-12

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*** I Replace both detector diodes with low noise Schottky diodes increasing receiver sensitivity lowering the noise floor.
*** I Replace noise blanker diodes with low noise Schottky diodes to improve the reduction artificial electrical noise.
*** I Replace receiver 1st stage amplifier Transistor for more SIGNAL and less static noise for receiving distant stations.
*** I don't Replace any other audio AF or RF stage components. They don't need to be.
*** I precisely tune the Receiver IAW The Factory Service manual Chapter 4.1.3 (8 steps).
*** I precisely tune the Transmitter IAW The Factory Service manual Chapter 4.1.2 (9 steps).
*** I precisely tune the Synthesizer (after a 20 minute warm-up) IAW The Factory Service manual Chapter 4.1.1 (This is the frequency alignment and is 8 steps).
*** I adjust the final and driver MOSFET gate voltage for proper RF bias.

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