For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Any corrosion there?
Input voltage cannot drop so much.
Be sure the chip is correctly soldered.
You can try to force the signal, soldering 1K instead of 10K resistor.
Also still wondering why someone who worked on the board before me ran a jumper between Pin 1 of C1297 and Pin 2 of L1295… Someone seems to have already given up on this one or it failed later