How to test Chestnut output voltages iPhone 5c
Im fixing an iPhone 5c, with display issues after a drop. The measurements i got in diode mode are:
Vcc main 0.153
Batt vcc 0.410
I tested all of the pins on the J5 connector that I thought could have something to do with image. There were two OL results:
I know that the first one, PN5V7 LCM, comes from Chestnut. Is it likely a shorted cap on this line?
I tried testing output voltages from Chestnut, but I cannot figure if i am doing it correctly. I hooked up my DCPS and measured that 4.5v was getting to Chestnut at C47. But when i went to measure an output voltage at C329 i get no volts. How do i measure output volts at Chestnut or Tristar or even Pmic?
Is this a good question?