Re: No power on SSB
¿ªÔÆÌåÓýAudio tracing will not work as the pre amp uses current mirrors, so very little to see, as AM works, the 2nd TX mixer is locked, so check around the SSB filters with a scope for the SSB signal. ? It would not hurt to do the following ? ? 73 ? Andrew ? From: [email protected] [mailto:[email protected]] On Behalf Of Suryono Adisoemarta via groups.io
Sent: 03 August 2022 09:44 To: [email protected] Subject: Re: [YaesuFT847] No power on SSB ? Andrew, thanks for the response. ? AM (and FM) works fine, only on SSB I got nothing. I just pried open the box and starting doing the audio tracing. ? 73 de Yono - YD0NXX ? On Wednesday, August 3, 2022 at 03:00:20 PM GMT+7, Andrew Lenton <a@...> wrote: ? ? I have had this I will get back to you, I presume AM is dead too? ? From: [email protected] [mailto:[email protected]] On Behalf Of Suryono Adisoemarta via groups.io ? I need help as I have no power on SSB (all bands), whereas FM is fine, whenever I transmit on my FT-847. Receiving SSB signal is fine. ? I've confirmed this problem on a watt meter to a dummy load. ? Is there a relay to change modulation mode that might be stuck ? ? 73 de Yono - YD0NXX ? |
Andrew Lenton