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Station X · 19th Jul 2017, 9:12 am

Being primarily an SSB transmitter, there's a lot of circuitry involved in generating the drive.

A check on the DC voltages around V501 is probably in order. Then it's time to get the scope out and check the two tone oscillator, SSB generator, double balanced mixer etc.

19th Jul 2017, 9:12 am	#49
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,288	Re: Sailor T128 Marine Transmitter. Being primarily an SSB transmitter, there's a lot of circuitry involved in generating the drive. A check on the DC voltages around V501 is probably in order. Then it's time to get the scope out and check the two tone oscillator, SSB generator, double balanced mixer etc. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.