: Instructions for aligning the auto/manual tuning mechanisms.
If the radio exhibits scratchy sound or erratic behavior when adjusting the volume, the manual indicates how to clean or replace the main encoder/potentiometer. 4. RF Sensitivity Alignment grundig satellit 750 service manual
Disconnect the AC adapter, remove all four D-cell batteries, and unplug any external antennas. remove all four D-cell batteries
Locate the reference quartz crystal oscillator circuit on the digital control board. grundig satellit 750 service manual
Proper IF alignment ensures maximum selectivity and correct S-meter operation.
Remove the AC adapter and take out all internal batteries (both the D-cells and the AA backup batteries).