Philips FM92E Manual page 59

PA Deviation Potentiometer Replacement:
potentiometer RT-4366
Needed – 1 of 100K ohm . Jaycar # -
Remove the 50K ohm potentiometer and replace with a 100K ohm potentiometer.
The original FM92E transceiver converted to 6 meters, lacked deviation adjustment and for those who know the
circuit, this increases the loop gain of the exciter.
Philips FM92E Conversion to 6 Meters: Version 3.9 Page 59