On 8/17/2015 11:14 PM, tony duell wrote: >> >> Well, in the process of repairing the Altos power supply I managed to >> break the center lead off of the TIP31A that feeds the 2N3055 series >> pass transistor. This time, I need to order parts. > > Do you? The centre lead (collector) is connected to the tab on that > transistor. So a > solder tag under the mounting screw (against the tab, not on top of an > insulating bush > linked to the appropriate pad on the PCB should fix it. >
Yeah, but the TIP31A part is cheap, and is free air mounted on its leads - it isn't screwed down. I'd rather do the repair nicely. Anyway, it gave me an excuse to order a 750 ohm resistor so that replacement matches, instead of the 2 x 1.5K parallel pair I had put in. JRU
