当前版本： Dan
文本:
| First lets review the MagSafe adapter to see if it was the source of the problems you're now facing: [https://support.apple.com/en-us/HT203207|Apple Portables: Troubleshooting MagSafe adapters] Using this Apple T/N do you see any damage to the computers connector contact face as well as the pins in the cord end? | |
| One of the problems I've had in the past a lot of is fake chargers damaging systems. Here's a bit more: [http://www.righto.com/2016/03/counterfeit-macbook-charger-teardown.html|Counterfeit MacBook-Charger Teardown] & [http://www.righto.com/2016/09/why-you-shouldnt-use-cheap-macbook.html|Lacking safety features, cheap MacBook chargers create big sparks]. | |
| As for fuses the logic board has a few but I don't think thats going to help you. I'm suspecting the charging logic on the logic board has issues. You'll need to find someone with the needed diagnostic skills and tools to fix your logic board. | |
| - | The DC In-Board is mostly passive as you can see here: [product|IF117-001-2] It mostly directs the power to the logic board. The one wire comm link between the charger & system does have some logic but it data not power. Here's the IFIXIT guide: [guide|17055] |
| + | The DC In-Board is mostly passive as you can see here: [product|IF117-001-2] It mostly directs the power to the logic board. The one wire comm link between the charger & system does have some logic but it data not power. What can happen is a short in the MagSafe connector shorts out the power lines to the center pin (comm) which can burn these parts. Here's the IFIXIT guide: [guide|17055] |
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原帖由： Dan
文本:
First lets review the MagSafe adapter to see if it was the source of the problems you're now facing: [https://support.apple.com/en-us/HT203207|Apple Portables: Troubleshooting MagSafe adapters] Using this Apple T/N do you see any damage to the computers connector contact face as well as the pins in the cord end? One of the problems I've had in the past a lot of is fake chargers damaging systems. Here's a bit more: [http://www.righto.com/2016/03/counterfeit-macbook-charger-teardown.html|Counterfeit MacBook-Charger Teardown] & [http://www.righto.com/2016/09/why-you-shouldnt-use-cheap-macbook.html|Lacking safety features, cheap MacBook chargers create big sparks]. As for fuses the logic board has a few but I don't think thats going to help you. I'm suspecting the charging logic on the logic board has issues. You'll need to find someone with the needed diagnostic skills and tools to fix your logic board. The DC In-Board is mostly passive as you can see here: [product|IF117-001-2] It mostly directs the power to the logic board. The one wire comm link between the charger & system does have some logic but it data not power. Here's the IFIXIT guide: [guide|17055]
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