APPARATI MOD e PROBLEMI
_____________________________________________________
YAESU FT897d sordo sui 50MHz
![](https://image.jimcdn.com/app/cms/image/transf/none/path/sa73460eaa2048d93/image/i65dbf468f45c8e0a/version/1438858626/image.jpg)
... in ricezione e solo per la banda dei 50Mhz, c'è un transistor di preamplificazione, subito dopo i relais di commutazione di banda, un SMD siglato 2SC5374, della Sanyo, il datasheet riporta “ VHF UHF Band Oscillator High Frequency Amp. Applications”.
sostituire
![](https://image.jimcdn.com/app/cms/image/transf/dimension=480x10000:format=jpg/path/sa73460eaa2048d93/image/i8208e74b00ec1fb0/version/1438841927/image.jpg)
![](https://image.jimcdn.com/app/cms/image/transf/dimension=480x10000:format=jpg/path/sa73460eaa2048d93/image/i5247f95b0ae5ae2f/version/1438842005/image.jpg)
_____________________________________________________
_____________________________________________________