I have not run my legacy GP 9 in three months. Last time I ran it I added 15 drops of smoke fluid, it ran fine and smoked more than usual. I put it on the track today and almost no sound. With the volume control on high I can barely hear the horn. Everything else works fine. It’s the same in both conventional and command. Not sure if I need to do an engine reset. Anyone have a similar problem. Thanks in advance.
John
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Start with the actual product number please. Different solutions for different generations of Legacy.
Ok, it’s actually a GP 7 sku 6-28598
First thing I do with those is to reseat the boards, if that doesn't do it, using a PLCC chip extractor, reseat the two chips on the RS 5.5 board. Also, you might consider swapping out the power supply board, the same one is used with TMCC and early Legacy, so you probably have one handy.
Ok, thanks
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