reparación j701 no enciende 46 mA en fuente y no hace nada cuando se oprime la power key

These are some of the tools I use for repairs in my lab: 1. SOLDERING TOOLS JBC Nano NASE-2C Soldering Station http://s.click.aliexpress.com/e/cP8NsWiy JBC CD-2BE Soldering Station http://s.click.aliexpress.com/e/c4SSc6WG BAKON 950D 110V/220V 75W Economical and Powerful http://s.click.aliexpress.com/e/bjJfTjmY Jabe UD-1200 Precision Smart Soldering Station, the budget-friendly version of the JBC http://s.click.aliexpress.com/e/cegFL3uy 5 Tips for Bakon T12 Series http://s.click.aliexpress.com/e/cEqGCgNE 861DW Hot Air Station http://s.click.aliexpress.com/e/bWepKGJA JBC TESE-2A 220V Heat Station http://s.click.aliexpress.com/e/MqbCj6Y Cheapest Heat Station Option http://s.click.aliexpress.com/e/cqcVTn9q 2 DIAGNOSTIC TOOLS Fluke 17B+ Auto Range Digital Multimeter with Probe http://s.click.aliexpress.com/e/Pyqz6pi VICI VC97A 3999 Digital Auto Range True RMS Multimeter http://s.click.aliexpress.com/e/YnCKxis VICI Digital LCR Meter (Inexpensive) http://s.click.aliexpress.com/e/bKaNLLuy Analog Multimeter http://s.click.aliexpress.com/e/bm0njt1I Precision LCR Meter http://s.click.aliexpress.com/e/cMgeKNU4 KORAD KA3305D 30V 5A DC Regulated 3-Channel Power Supply http://s.click.aliexpress.com/e/O6YXZEu HR1203 Portable Power Supply http://s.click.aliexpress.com/e/clZSVugu KORAD KA6005D Precision Power Supply http://s.click.aliexpress.com/e/KB0JWpi POWER-Z KM001 Displays Voltage, Current, Power, mAh, mWh http://s.click.aliexpress.com/e/cD4DS3B2 Affordable USB Detector http://s.click.aliexpress.com/e/nrJ0Qk0 DT880 Mobile Phone Current Analyzer for iPhone 6/6P/6S/6SP/7/7P/8/X/XS http://s.click.aliexpress.com/e/USnL38c Cheap Power Supply Cables http://s.click.aliexpress.com/e/elH9UxA iPower MAX Test Cable for iPhone 6G/6/6S/6P/6SP/7/7P/8G/8P/X/XS http://s.click.aliexpress.com/e/buv7jRHe Android Power Supply Cable http://s.click.aliexpress.com/e/btkeEd7a Activated Battery Revive Cable for iPhone 4/5/5S/SE/6/6P/6S/6SP/7P/8 8P X http://s.click.aliexpress.com/e/Vyh2TsG 3 TOOLS FOR ZOOMING OR MICROSCOPES The first one I used was the AmScope 3.5X-90X Zoom SM-1TSZ-V203, which I still use: http://s.click.aliexpress.com/e/ch3T8JuG The second one I used was the AmScope 8X-50X with Parfocal Support: http://s.click.aliexpress.com/e/M2ygVu8 The third one I currently use in the channel's videos is the AmScope 3.5X-180X Simul-Focal: http://s.click.aliexpress.com/e/b3cmzSPm DIGITAL MICROSCOPES I 100% RECOMMEND The first one I used was the Andonstar HDMI VGA Microscope http://s.click.aliexpress.com/e/bZhLdwI8 The second one I worked with: a 5-inch professional digital microscope. http://s.click.aliexpress.com/e/lovBFHI A microscope lamp that only covers the inside to save space, with 64 LEDs. http://s.click.aliexpress.com/e/b2wEHHuG A microscope lamp that only covers the inside to save space, with 144 LEDs. http://s.click.aliexpress.com/e/bWbLx9Eu Rubber covers I use to support my face and block light while working. http://s.click.aliexpress.com/e/HBkEDHe Barlow lenses to increase the working distance with the microscope. http://s.click.aliexpress.com/e/cf1Tq2BI An adapter to attach a digital camera to our benchtop microscope. http://s.click.aliexpress.com/e/c4c1Wd8G Microscope CPU stand http://s.click.aliexpress.com/e/SwBITck SUPPLIES General reballing solder paste http://s.click.aliexpress.com/e/b7UPPAHE iPhone CPU solder paste http://s.click.aliexpress.com/e/cp43mhxa 100% recommended general-purpose solder paste AMTECH NC-559 flux http://s.click.aliexpress.com/e/xwdLy16 Desoldering braid http://s.click.aliexpress.com/e/cLyN1yE8 Precision tweezers http://s.click.aliexpress.com/e/b14MdgVa Screwdrivers http://s.click.aliexpress.com/e/b6cGv7rK CPU cleaning blade http://s.click.aliexpress.com/e/7q96YO8 CPU removal blade http://s.click.aliexpress.com/e/J2DvyYY Black stencils http://s.click.aliexpress.com/e/bAUpFMoC Android CPU stencil http://s.click.aliexpress.com/e/cDuPXU4 iBridge for iPhone http://s.click.aliexpress.com/e/cHnKlAVE iPhone holder http://s.click.aliexpress.com/e/brACbsak Universal holder http://s.click.aliexpress.com/e/bkg4nQQk iSocket for iPhone X, XS, XS Max http://s.click.aliexpress.com/e/cpfKrejq iPhone X stencil: http://s.click.aliexpress.com/e/bQjmjVBS Baseband and memory stencil: http://s.click.aliexpress.com/e/bMf6ATvW Jumper cable: http://s.click.aliexpress.com/e/d5V28Sc EMMC/EMCP/UFS memory box: http://s.click.aliexpress.com/e/JrSzHvq PCIe NAND memory box: http://s.click.aliexpress.com/e/bhnShmY NEW FORUM: http://www.servicell-arauca.com/foros...