MacBook Pro A1707 Not turning on, taking 20V and 0.014A, PP1V8 SUS shorted repair and MacBook Pro A1990 Not turning on, taking 20V and 0.014A, PP1V8 SUS shorted repair: Difference between pages
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{{Repair Guide | {{Repair Guide | ||
|Device=MacBook Pro | |Device=MacBook Pro A1990 | ||
|Affects parts=Motherboard | |Affects parts=Motherboard | ||
|Needs equipment=multimeter, soldering iron, soldering station, BGA rework station | |Needs equipment=multimeter, soldering iron, soldering station, BGA rework station | ||
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{{stub}} | {{stub}} | ||
==Problem description== | |||
No power, taking 20V and 0.014A, PP1V8_SUS shorted | |||
[[File:PMIC + PCH A1990.png|thumb|(Figure 1) PMIC and PCH]] | |||
==Symptoms== | ==Symptoms== | ||
*MacBook not turning on | *MacBook not turning on | ||
*PP1V8_SUS shorted | *PP1V8_SUS shorted | ||
==Solution== | ==Solution== | ||
In this case PCH and PMIC to do. Usually if the board is taking 20V and 0.01A ~ 0.025A there is a problem with some of the PMIC's voltages. See Figure 1 | In this case PCH and PMIC to do. Usually if the board is taking 20V and 0.01A ~ 0.025A there is a problem with some of the PMIC's voltages. See Figure 1 | ||
Latest revision as of 16:13, 29 October 2023
| MacBook Pro A1990 Not turning on, taking 20V and 0.014A, PP1V8 SUS shorted repair | |
|---|---|
| Device | MacBook Pro A1990 |
| Affects part(s) | Motherboard |
| Needs equipment | multimeter, soldering iron, soldering station, BGA rework station |
| Difficulty | ◉◉◉◉ Specialist |
| Type | BGA, Soldering |
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Problem description
No power, taking 20V and 0.014A, PP1V8_SUS shorted
Symptoms
- MacBook not turning on
- PP1V8_SUS shorted
Solution
In this case PCH and PMIC to do. Usually if the board is taking 20V and 0.01A ~ 0.025A there is a problem with some of the PMIC's voltages. See Figure 1