Chris Stables

@imicrosoldering

Chris Stables

22,837	信誉积分
768	解决方案
0	指南
于2019年04月14日注册

Microscopic board repairs

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Imicrosoldering – Mail - in repair Australia.

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问题

How does the MacBook determine its Magsafe Wattage? 2020年06月06日
Making up some leads for the DCPS and would like to know does the MacBook determine what wattage magsafe it is using from...
Backlights not working after reassembly. 2019年12月16日
I don’t know a lot about MacBook circuitry and I don’t advertise their repairs but there is one customer who does send...
Bios adapter for 820 00875 2019年09月08日
Any idea where I could purchase a QFN8 to DIP8 Adapter that will fit a bios chip off the 820 00875 board. The only one I...
Should the fans run all the time on a 820 00239 2019年08月30日
I got sent a mac which had the U5860 temp sensor torn off along with all the pads on the board. It would take ages to boot...
820-00239 logic board - temp sensor orientation. 2019年08月25日
Would someone be able to tell me the orientation position of U5860 on the 820-00239 logic board. I can only make out a...

问题解答论坛

回答“boot up iPhone 6 with front panel components unconnected” 12 小时前一月 19, 2021
If your phone has a passcode you will need to enter it to obtain USB. So you might have to install a replacement screen. If you haven’t got a passcode the phone will connect to iTunes with just the dock connector and battery but it would have needed to be trusted before on that PC.
回答“My iPhone 6s won't charge or turn on” 5 天前一月 14, 2021
It could be a faulty battery but battery drain plus getting really hot usually means there is a short on the logic board. It could be a cap or an IC. If you need the data you will need to send it to a reputable repairer unless you have the equipment and experience in microsoldering.
回答“stuck on boot loop after repair iPhone 7+” 6 天前一月 14, 2021
It will more than likely be a parts problem. · Faulty charge port. · Faulty battery · Faulty top flex. Try booting with it disconnected. If it still will not boot it will be pry damage. You will need to check around the connectors under a microscope and see if any components have been nudged off there pads.
回答“Can only hear calls on speaker” 6 天前一月 13, 2021
Can Siri hear you? Sometimes the assembly can get damaged while transferring. Check the 4 contacts can make proper contact with the speaker. If you cannot find the problem you will have to purchase another front camera assembly. If this still doesn’t work let us know.
回答“Not powering up after screen repair.” 6 天前一月 13, 2021
It is most likely the batteries. You would need to rule them out before diagnosing any further.
回答“Nand replacement iPhone 6s plus” 6 天前一月 13, 2021
The new NAND will have to be programmed. You cannot just swap NANDS even from another 6s plus. If you haven’t got a programmer the other way is to purchase one through aliexpress, you would need to give them the syscfg info (serial number, Wi-Fi Address etc.) from the original NAND and they will program it in for you so as you only have to solder it on.
回答“Make iPhone "think" third party battery is original” 6 天前一月 13, 2021
Copying the battery information will not work. If you want to get rid of the message you will need to remove the original battery flex with its components and spot weld on to replacement battery. It is not worth it unless you are refurbishing a lot of them.
回答“Red iPhone 8 plus” 2021年01月11日
The screens for the iPhone 8 product red phones are white or black. I haven’t seen them in any other colour.
回答“Went through a full wash and partly through the dryer, Help!” 2021年01月11日
Since this happened a long time ago it wouldn’t hurt replacing the battery and screen to see if it will boot. If it does boot I would back up the data immediately. If it doesn’t boot you will need to send it to a reputable repairer so they can get the data for you.
回答“Siri not working after storage upgrade” 2021年01月11日
Are you sure the top mic works? This is the only one Siri uses. The only thing that could maybe cause this is the region that was programmed into your new NAND. Did you copy the old NANDS SYS config info over or did you manually add it?