Hi, I'm working on an A1990 820-01041-A macbook pro. 5.10V, 0.02A on USB-C meter. PPBUS_G3H seems to be shorted, 0.8ohm across C3501.
This is my first touchbar repair and I know that the ISL9240 is very difficult, if not impossible to find so I want to be very careful. I used voltage injection to locate shorts before but I just want to make sure that this is a good method for this model macbook. What is the maximum voltage/current I should use? Is it a good idea to remove F7000 and F7001 and test for short again to see if the short is on PPVBAT_G3H_CHGR_REG?
This is my first touchbar repair and I know that the ISL9240 is very difficult, if not impossible to find so I want to be very careful. I used voltage injection to locate shorts before but I just want to make sure that this is a good method for this model macbook. What is the maximum voltage/current I should use? Is it a good idea to remove F7000 and F7001 and test for short again to see if the short is on PPVBAT_G3H_CHGR_REG?
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