Quote Originally Posted by Pantacle
I apologize, that long did not answer, I had problems about communication with the Internet. I have drawn pencil a path from 5 to 7 leg of the chip. 2.74 is constant
Pencil tricks are quite uncertain/risky: do can never be sure what value of resistance you have added.

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I have an idea.. if you want help to search easier (if possible) way to mod, could you check (=measure) the resistances between this 'leg 5' and all test points TP's ? Try to find a short or low resistance ..