TheRetroChannel | Dell E5550 not charging (AC adaptor unknown) repair @TheRetroChannel | Uploaded January 2024 | Updated October 2024, 2 hours ago.
Something a little different - our laptop stopped charging, and this isn't the first time this has happened. But unlike last time the fault lies elsewhere...

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Previous video (cable repair): youtu.be/uqj--HqpKJ8?si=TQ3d7V3vTsIvpz_c
Charger ID EEPROM datasheet: ti.com/lit/gpn/bq2022a
Amazing AZC199-02S datasheet: amazingic.com/common/frontend/download?path=/uploads/images/products/PDF/AZC/AZC199-02S.pdf
Schematic: badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-only/61588-need-dell-e5550-la-a911p-schematic
Part: aliexpress.com/item/1005005268956395.html
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0:00 Intro
1:41 Charger port testing
3:42 Testing mainbaord connection
4:59 Full disassembly
8:33 Winner winner
11:15 Part identification
13:04 "Fixed"
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Thanks for watching!