MacBook Pro A1502 2015-2016 Not turning on (Orange LED and 180 mA current draw) repair

Problem description
180 mA from the charger, the charger light stays orange and machine does not turn on

Symptoms

 * Not turning on.
 * Only 180 mA current draw from the charge port.

Solution
Corrosion at U5400 current sensing (R5400) circuit PP3V3_SO_HS_COMPUTING. This device makes power for the stages of CPU_VCORE. U5400 signals the SMC.


 * Corrosion for U5400 was removed.
 * Jumper wires were added to replace the faulty traces at U5400.
 * U5400 and current sense resister restored.
 * U7400 (Voltage regulator) chip was replaced and surrounding circuitry restored.
 * Backlight circuitry and other areas cleaned up (corrosion).

Example video