MacBook Pro A1990 Not turning on, taking 20V and 0.014A, PP1V8 SUS shorted repair and MacBook Pro A1707 All charging ports boot looping repair: Difference between pages

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(Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== <nowiki>#</nowiki>incomplete thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Symptom 1 (Figure 1) *Symptom 2 ==Solution== SOC_SWCLK_DBG signal missing, this required a small jumper wire under U3200")
 
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{{Repair Guide
{{Repair Guide
|Device=MacBook Pro A1990
|Device=
|Affects parts=Motherboard
|Affects parts=
|Needs equipment=multimeter, soldering iron, soldering station, BGA rework station
|Needs equipment=
|Type=BGA, Soldering
|Type=
|Difficulty=4. Specialist
|Difficulty=
}}
}}
{{stub}}
==Problem description==
==Problem description==
No power, taking 20V and 0.014A, PP1V8_SUS shorted
<nowiki>#</nowiki>incomplete
[[File:PMIC + PCH A1990.png|thumb|(Figure 1) PMIC and PCH]]
[[File:Placeholder image.jpg|thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it!]]
 
==Symptoms==
==Symptoms==


*MacBook not turning on
*Symptom 1 (Figure 1)
*PP1V8_SUS shorted
*Symptom 2


==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
SOC_SWCLK_DBG signal missing, this required a small jumper wire under U3200

Revision as of 16:15, 29 October 2023

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MacBook Pro A1707 All charging ports boot looping repair
Device
Affects part(s)
Needs equipment
Difficulty
Type


Problem description

#incomplete

Example image (Figure 1) -- No image yet. Help expand this page by uploading it!

Symptoms

  • Symptom 1 (Figure 1)
  • Symptom 2

Solution

SOC_SWCLK_DBG signal missing, this required a small jumper wire under U3200