Note: Working on internal transceivers involves high voltages and static-sensitive components. This article is for informational purposes; always consult a professional technician if unsure.
The Power Amplifier (PA) section is robust but sensitive to high SWR and heat. ft-757gx problems
The 1SS53 or 1SS97 switching diodes in the RF front-end are notorious for failing or becoming "leaky" over time. the rig suddenly goes silent
Frequency jumps, the rig suddenly goes silent, or the display flashes "PL" (Phase Lock). The VFO feels "scratchy" when tuned. ft-757gx problems
If you're planning a restoration, would you like a on: LED conversion for the meter? PLL alignment procedures? Sourcing replacement final transistors?