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Apple Computing Products:
macOS - Notebook Hardware
Where to test MBP Logic Board?
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<blockquote data-quote="techiesteve" data-source="post: 1514314" data-attributes="member: 98520"><p>The boards S/N indicates it's older than you expected, it's from a MBP 13" mid 2010 2.4 GHz. Liquid damage can and does cause multiple faults. If it hadn't suffered liquid damage it had AppleCare until sometime in June.</p><p></p><p>There is a very valid reason why Apple doesn't permit component level repair in Apple Stores and by AASP's. For each store to employ skilled staff to operate ATE, and the cost of the ATE and rework stations make it not economically viable. Plus extensive time consuming testing would be required. It is easier to have the boards repaired at central locations and repaired/tested boards available via overnight shipping for fast repairs.</p><p></p><p>For you and I there is no way to undertake the testing you hoped to undertake, other than test the complete logic board back in the MacBook Pro (presuming the liquid didn't damage the top case with keyboard as well). I once worked in a manufacturers repair facility where we used ATE, and employed programers with the full support from the manufacture. No way would I attempt to repair a complex multi layer board myself.</p><p></p><p>Your later picture shows a 13" mid 2009 2.26 GHz MBP logic board. Typically the logic board power on contacts would be used in attempting to diagnose a defective power button or if you suspected the keyboard circuitry had a liquid spillage inhibiting power on. Then you would remove the keyboard flex cable, plug in an external mouse and keyboard, then short together the two contacts you identified. If the MBP then powered up OK, it would confirm you needed a replacement top case with keyboard.</p></blockquote><p></p>
[QUOTE="techiesteve, post: 1514314, member: 98520"] The boards S/N indicates it's older than you expected, it's from a MBP 13" mid 2010 2.4 GHz. Liquid damage can and does cause multiple faults. If it hadn't suffered liquid damage it had AppleCare until sometime in June. There is a very valid reason why Apple doesn't permit component level repair in Apple Stores and by AASP's. For each store to employ skilled staff to operate ATE, and the cost of the ATE and rework stations make it not economically viable. Plus extensive time consuming testing would be required. It is easier to have the boards repaired at central locations and repaired/tested boards available via overnight shipping for fast repairs. For you and I there is no way to undertake the testing you hoped to undertake, other than test the complete logic board back in the MacBook Pro (presuming the liquid didn't damage the top case with keyboard as well). I once worked in a manufacturers repair facility where we used ATE, and employed programers with the full support from the manufacture. No way would I attempt to repair a complex multi layer board myself. Your later picture shows a 13" mid 2009 2.26 GHz MBP logic board. Typically the logic board power on contacts would be used in attempting to diagnose a defective power button or if you suspected the keyboard circuitry had a liquid spillage inhibiting power on. Then you would remove the keyboard flex cable, plug in an external mouse and keyboard, then short together the two contacts you identified. If the MBP then powered up OK, it would confirm you needed a replacement top case with keyboard. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Where to test MBP Logic Board?
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