SB-050 TR-7600/7625 Optional Ceramic Filter 8-9-79 Adjacent channel rejection may be improved by changing one capacitor and installing an optional narrow ceramic filter. On the TX RX unit X44-1320-10, change: * L41, CFG-455 F2 to CFL-455F * C101, from 470pF to .001uF Old part L41 L72-0309-05 CFT-455 F2 New part L41 L72-0306-05 CFL-455 F Please annotate your service manual. JEB/yn (c) 8679TKC