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Thursday 24 May 2018 at 13:15
That's actually pin 7 which is the reference voltage and may not be connected to anything in this application. Have a look at the schematics for this board and see if pin 7 of this IC is connected or not.
I would start by removing all of the gungy looking flux from around the chip - I would use alco...
Source: http://pinside.com/pinball/forum/topic/whitestar-cpusound-board-help#post-4415519