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(Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== <nowiki>#</nowiki>incomplete Provide a concise description of the issue here. Be as specific as possible to help readers quickly determine whether or not this is the exact problem they are facing. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Kills USB-C devices ==Soluti...") |
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{{Repair Guide | {{Repair Guide | ||
|Device= | |Device=MacBook Pro A1708 | ||
|Affects parts= | |Affects parts=Motherboard | ||
|Needs equipment= | |Needs equipment=multimeter, soldering iron, soldering station | ||
|Type= | |Type=Soldering, Micro-Soldering | ||
|Difficulty= | |Difficulty=3. Hard | ||
}} | }} | ||
{{stub}} | |||
==Problem description== | ==Problem description== | ||
<nowiki>#</nowiki>incomplete | <nowiki>#</nowiki>incomplete | ||
Revision as of 09:59, 27 October 2023
| MacBook Pro A1708 Kills USBC devices repair | |
|---|---|
| Device | MacBook Pro A1708 |
| Affects part(s) | Motherboard |
| Needs equipment | multimeter, soldering iron, soldering station |
| Difficulty | ◉◉◉◌ Hard |
| Type | Soldering, Micro-Soldering"Micro-Soldering" is not in the list (Soldering, Teardown, Part replacement, Cleaning, Software, BGA, General) of allowed values for the "Repair Guide type" property. |
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Problem description
#incomplete
Provide a concise description of the issue here. Be as specific as possible to help readers quickly determine whether or not this is the exact problem they are facing.
Symptoms
- Kills USB-C devices
Solution
Make sure that 20 V is only present on C3101 OR C3201 (PP20V_USBC_XA_VBUS OR PP20V_USBC_XB_VBUS). If A is making 20 V on B, or vice versa, likely need to replace the MOSFETs Q3100 and/or Q3200, since they're letting 20 V through (backwards!) when they're not supposed to.