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So, i'm working on my first LA-2A build, and i'm still confused about the Sowter I/O Trannies that i'm using. (1009 and 1010)
Quote from: analogexplosions on March 02, 2012, 10:39:25 AMSo, i'm working on my first LA-2A build, and i'm still confused about the Sowter I/O Trannies that i'm using. (1009 and 1010)On the 1009 compared to the UTC A-10The primary side Red = Pin 1 Blue = Pin 6White (CT) = Pin 4 + 3Pin 2 + 5 are omitted from the Sowter.SecondaryGreen = Pin 7Grey = Pin 10There is no secondary CT available on the 1009, don't worry about it. It's internally connected.Sowter 1010 compared to the UTC A-24Primary sideRed = Pin 7Yellow = Pin 10CT Pin 9 + 8 are internally connectedSecondary sideGrey = Pin 1White = Pin 6CT Pin 4+3 are internally connected and not available, not needed.Pins 2+5 are not available.Black can be connected to Chassis Ground.And yes, you need the exact same resistors as used with the UTC's.Hope this helps to get you started.Regards,Mark
Also, according to the schematic and layout by cayocosta, R7 says "1k-2.7k". Does this translate to either 1k OR 2.7k, BOTH 1k AND 2.7k in parallel (wired together), or any value in between?