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| MacBook Pro 13 (820-2879-B) Airport (Wi Fi) not detected https://vlab.su/viewtopic.php?f=51&t=61789 |
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| bridx [ 26 май 2017, 19:56 ] | |
| Заголовок сообщения: | MacBook Pro 13 (820-2879-B) Airport (Wi Fi) not detected |
Hi, Checked L3404 = 5v. Tested with another similar working screen but still it is not being detected. Any advice? Regards. |
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| pyry [ 28 май 2017, 00:25 ] | |
| Заголовок сообщения: | Re: MacBook Pro 13 (820-2879-B) Airport (Wi Fi) not detected |
I would check that those 5v arrive at connector J3401 pin 13,14 maybe you have a broken rail |
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| bridx [ 29 май 2017, 10:36 ] | |
| Заголовок сообщения: | Re: MacBook Pro 13 (820-2879-B) Airport (Wi Fi) not detected |
pyry писал(а): I would check that those 5v arrive at connector J3401 pin 13,14 maybe you have a broken rail The 5v is present on those pins too. |
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| pyry [ 30 май 2017, 04:16 ] | |
| Заголовок сообщения: | Re: MacBook Pro 13 (820-2879-B) Airport (Wi Fi) not detected |
R3440, R3453, R3454 are well measured and U3440 is fine |
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| bridx [ 01 июн 2017, 22:29 ] | |
| Заголовок сообщения: | Re: MacBook Pro 13 (820-2879-B) Airport (Wi Fi) not detected |
pyry писал(а): R3440, R3453, R3454 are well measured and U3440 is fine All those resistors measured ok with reference to a similar working board, U3440 is what am waiting for from a donor board i purchased. Thank you. |
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| dupahuj [ 29 авг 2017, 02:09 ] | |
| Заголовок сообщения: | Re: MacBook Pro 13 (820-2879-B) Airport (Wi Fi) not detected |
A bluetooth device is visible ? Try to reflow SMC chip. This chip contain pin with (wifi present) |
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