05-09-2023, 07:57 PM
Chas, C102 is one of the 15mF caps you were referring to in the power supply (it shows as C15 in the Riders schematic). The numbering is from the Philco Service info found in our library at:
https://philcoradio.com/library/download...6-1947.pdf
https://philcoradio.com/library/download...6-1947.pdf