Inserting instruments into any logic board holes other than the ones highlighted in red may destroy the logic board.In this section you’ll find listing of all available Mac motherboards on all Apple desktop & laptop computers.MacBook Pro Non-Retina (2012 - Late 2016) OWC Solid State Drives For MacBook Pro Non-Retina (2012 - Late 2016) 32 x.For assistance, and for placing orders direct, please call toll free 80 during business hours of 9:00am – 5:00pm PST Monday thru Friday.AAEON, provider of advanced Rugged Tablets, Embedded Controllers, Panel PCs, Servers, Industrial Motherboards, PC/104 modules, PICMG boards, COM Modules. Up to 92x faster than the original drive. Works with the following Model IDs. MacBookPro9,1 MacBookPro9,2 How to The only logic boards guaranteed as compatible with the Mid 2012 13' Unibody MacBook Pros are either the 2.5Ghz (core i5) as you have now or the 2.9Ghz (core i7) unit also used for this model. Mac mini Logic Board Removal Tool.The No Backlight issue is caused by damage of booster diode. However, this time we are treating one repair case that is much more complicated. Typically with MacBook Air no backlight problem, the first thing to check is the backlight IC. All Apple logic boards carry a 90-Day warranty. Please browse around and let us know if you need assistance in picking the right Mac motherboard or Apple logic board for your system.
Logic Board For 2012 Mac Motherboards OnConfirm the board number of logic board. Then connect the IO board to the logic board. Detach the logic board. Detach IO Board as well. MacBook goes with dark screen. User login interface can be dimly seen.Remove the lower case and disconnect the battery. Locate inductor L7701 with maintenance drawing. Check relevant circuit of PPHV_S0SW_LCDBKLT. Switch the Multimeter to diode mode. Roll out the maintenance drawing and bitmap.Locate LCD connector J8300. Disconnect the display from logic board. Normal voltage value should be 25V or so.Disconnect the power supply. The measured voltage value is 8V5. Plug in AC adapter and measure the voltage of L7701. Measured resistance value is 414, normal value.Switch to voltage mode. Measure the resistance of C7710. C7710 is connected with U7710 power supply VIN Pin.Switch to resistance mode. Locate capacitor C7710 with bitmap. Locate IC U7701 with bitmap. The measured voltage value is 3V3, normal value. Measure the voltage of C7711. C7711 is connected with VDDIO Pin. The measured voltage value is 5V, normal value.Locate C7711 with bitmap. Plug in AC adapter and measure the voltage of C7710. Normal value.Warm tips: voltage value of EN Pins can be read on the meter with display on.Confirm PWM Pin of U7701 with maintenance drawing. Plug in AC adapter and measure the voltage of R7731. Voltage value of first Pin is 8V5, second Pin 2V8. Locate R7731 and R7715 with bitmap.Warm tips: voltage of EN Pins can be measured with display connected.Connect the display with logic board. Take down the damaged U7701. Reballing the new U7701 first. The measured voltage value is 3V3, normal value.Disconnect the power supply. Disconnect the display from logic board. Normal value should be 25V or so.Disconnect the power supply. Abnormal voltage value for End K. Measured voltage value of End A is 8V5, End K 2V9. Plug in AC adapter and measure voltage at two ends of D7701. Abnormal resistance value for D7701. Opposite direction reads 176 on the meter. Forward direction reads ‘OL’ on the meter, infinite value. Opposite direction reads ‘OL’ on the meter, normal value.Measure the resistance between D7701 and grounding. Forward direction reads 166, normal value. Measure resistance of the new D7701. Plug in AC adapter and test. Get the logic board mounted. Normal value for the two ends.Disconnect the power supply. Measured voltage value of End A is 8V5, End K 25V. Measure voltage at two ends of D7701 again. Normal value for the two ends.Connect the display with logic board and test again.Tips: connect with an external USB keyboard, press ‘Alt’ button to power on.The screen lights up. Lorex video player for macDeveloped by REWA Technology, REWA Academy is a platform that provides repair technique learning, practical demonstration, and idea-sharing for practitioners in the electronic repair industry. For the free schematics software used, go to REFOX. MacBook Air Won’t Turn On Troubleshooting5 Minutes Done – MacBook No Display RepairFor MacBook spare parts , please visit REWA online shop. Repairing completed successfully.For detailed operation about MacBook repair, you can also check out REWA YouTube Channel. Run keyboard test and touch test. Get the MacBook full assembled.
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