820-00165 orange light, no power

[2informaticos]

Looks like your lucky day; should be just a shorted cap.

If you are sure about coils measurments, then is safe to inject voltage on PPBUS_G3H.
Start with 1V, as you have a pure short practically (0.3 ohm).
You will need powerfull lab power supply; more than 10A required at 1V maybe.

 

[JosephClampett]

Well darn; I don't have a lab power supply. Although as for the coils, can you make sure I'm sure, so to speak:
- Put red on pin 1 of each, black on ground
- On some of the coils, it took about 10 seconds or so for the reading to stabilize
Is there any other way to find it?

 

[2informaticos]

Connect always red probe to ground, no matter diode mode, or ohm scale.
Coil values are far away of short in your case.

 

[JosephClampett]

So red probe to ground for resistance mode, continuity mode, and diode mode, and black to ground for voltage modes? And is there a way I can find the capacitor without a power supply?

 

[2informaticos]

Sometime can be found, if has some burnt dot on it.
Get mentioned PSU, if you want to repair boards...

 

[JosephClampett]

Sorry to raise the post back up the list, but do you have the names of any good ones that I can get (more than 10 A)?

 

[2informaticos]

I just posted one day ago; do not read only your threads...

820-00244 no SSD drive.

Apple hardware test showed error PPN001 there may be a problem with the power management system PP1V8_S0SW_SSD_COLD is compact to ground how to start searching wisely?

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