I'm working on a couple of TNPA5349/TNPA5351 SC/SN boards, and both have shorted 30F131s – Q401 & Q402, Q421 & Q422. But there are additional pads, unused, marked Q403 & Q423. I don't have a schematic, but they look like they are in the circuit the same as the aforementioned pairs of 30F131s. Has anyone installed 30F131s on these pads (adding the resistors, of course) and increased the longevity of the repair with three 30F131s in the circuit? I've read that the board will work with only one 30F131 in the circuit. I've also just read about damaged pads on one, bypassing it, and installing transistor on the adjacent pad. What about adding one for a total of three?
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TNPA5349/TNPA5351 - Adding a third 30F131?
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