Just a hunch: The G90 has a similar voltage regulation system. The schemos are ¡°out there,¡± maybe in the G90 group files area. You might want to check. There¡¯s a fellow in Romania ¡ªwhose call I can¡¯t remember ¡ªhas replaced the G90 VRs with better devices. So that¡¯s another take.?
Too bad Xiegu has (a) no outside repair facility & (b) a typical Maoist secretive view of providing documentation & help. I figure my two Xiegu boxes die, I¡¯ll still have the cheapo varios clones of the DL2MAN (tr)uSDX boxes toQRP with.?
Nils / W8IJN ?
Nils R. Bull Young