![]() The right leg (again, viewed as board installed in game) thru hole was so blown out that as I added solder to the heated pin, it appeared it wouldn't stick. The center leg trace was definitely lifted, but still appeared intact, so I fed the leg thru the lifted trace The install on the TIP102 was not simple. The install on the Q12 (2N4401) was a breeze, Hakko out, iron in, flush cut the leads - done. Looking at the board installed, I believe that the TIP102 Base is left, Collector center and emitter is right. ![]() I also replaced TIP102 at Q16 and the predriver at Q12 but now the draw poker flasher lights simply don't work at all (before they were locked on) ![]() So I pulled the board, while I had it out I used my Hakko to remove the on board battery box and soldered in a remote one Make sure you don't have a shorted socket.replacing the tip102will probably fix it.you can measure the pre driver to see if it is shorted.look out for burnt traces! ![]()
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