How to replace tristar (U2) charging ic chip to solve slow charging, fake charging problem HD
The lightning system usb charging logic ic, the infamous tristar (aka U2 chip), is the silent epidemic in iPhone repair. Those cheap chargers that are everywhere are killing phones left and right by allowing dysregulated voltage spikes to burn the prissy U2 chip and leave the iPhone unable to charge normally, with rapid battery drain, or an inability to maintain a usb connection. Here I walk you exactly through the steps to change this chip. ›iPad Rehab Website Link: http://www.mendonipadrehab.com —Mail in Repair Services —Data Recovery —Practical Board Repair School —Repair Industry Blog Jessa’s Equipment Links: ›Charging: USB ammeter: http://amzn.to/2k2suZN Bona fide MFI charging cables Anker: http://amzn.to/2h1ixtl RavPower: http://amzn.to/2gB1iyr ›Microscopy: Recommended microscope: http://amzn.to/2iqE9Rj Light ring for microscope: http://amzn.to/2iRRdOt 0.5x Barlow lens--to increase working distance: http://amzn.to/2iuE3dG ›Soldering: My soldering station with standard iron: http://amzn.to/2hG656k Primary soldering tool--mini hot tweezers http://amzn.to/2hY5DN5 Favorite tips for mini hot tweezer: http://amzn.to/2iSKF67 Favorite tip for standard iron: BC2 http://amzn.to/2hG6MMV ›Ultrasonic cleaning: Crest iphone sized cleaner: http://amzn.to/2iuNPNa Branson EC cleaning fluid: http://amzn.to/2iSVuFq ›Hot Air: My hot air station: JBC TE-1QD not available on Amazon, $1500 Recommended station: Quick861dw: http://www.primetechtools.com CODE JESSA ›Small supplies: My favorite tweezers--http://amzn.to/2iCwdfk My favorite flux:http://amzn.to/2iCy5Vm My favorite solder:http://amzn.to/2hY1gBA Kapton tape: http://amzn.to/2iqxVAY My blue mat: http://amzn.to/2jfAiKp Cutting board I solder on: http://amzn.to/2kDO0XJ Low melt alloy:http://amzn.to/2iqITGB ›Diagnostic tools: DC Power supply: http://amzn.to/2iRN9hj Multimeter: Fluke 115 http://amzn.to/2iqMmou Fine point tips for multimeter: http://amzn.to/2iRPjgP Freeze spray:http://amzn.to/2iuNZnE Zxwtool: http://www.primetechtools.com/ Use code JESSA iPad Rehab is a participant in the Amazon Affiliate marketing program and may receive commission for orders placed through above amazon affiliate product links.
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