Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
04-10-2022, 04:05 AM
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Replies: 19
Views: 558
Re: A1932 - Black screen, no startup sounds
I unsoldered U8400. 3pins don't look good one pin is gone. Pin 8 is not connected. I will rebuild the 3 pins and solder in U8400. I hope the display will work again. Then I measure the other board.
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
04-09-2022, 11:40 AM
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Replies: 19
Views: 558
Re: A1932 - Black screen, no startup sounds
I also installed the IC in the A1707 15 inch MacBook Pro! On the schematics the IC on both boards Air and Pro are the same LP8548B1SQ_-04 and LP8548B1SQ_-03 and the same contacts
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
04-06-2022, 10:58 AM
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Replies: 19
Views: 558
A1932 - Black screen, no startup sounds
Apple MacBook Air 13" A1932 2018. It's on. Touchpad clicks and board gets warm. There is no start-up sound and the display stays black. The audio board was defective after liquid damage. Nothing is...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
03-27-2022, 09:57 AM
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Replies: 32
Views: 946
Re: MacBook Apro 16" A2141 Just 5,181Volt
H, I'll solder one wire to pad 2 and stick the other to ground. I don't have a thermal imaging cam yet. But that's coming. But I have alcohol. At 0.8 volts and 2A nothing got warm yesterday. can i...
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Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
03-26-2022, 08:55 AM
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Replies: 32
Views: 946
Re: MacBook Apro 16" A2141 Just 5,181Volt
is this the same cam on Amazon? so much more$
https://www.amazon.com/Motherboard-Troubleshoot-Professional-Diagnosis-Instrument/dp/B07BHCJXLH
i will buy the one from the video you post
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