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Apple MacBook Pro a1502 laptop screen does not display repair
Machine model: Apple MacBook Pro a1502
Mainboard version number: 820-4924
Fault phenomenon: notebook screen is not displayed
Maintenance process:
Received an apple MacBook Pro a1502 laptop, press the power button, the keyboard light is on, but the screen is not displayed.
Apple MacBook Pro a1502 laptop screen does not display repair Figure 1.
After dismantling the machine, it was found that the chip corrode was affected by moisture near the main board screen interface.
Apple MacBook Pro a1502 laptop screen does not display repair Figure 2.
Remove the chip and find that PAD has been disconnected.
Apple MacBook Pro a1502 laptop screen does not display repair Figure 3.
Jump wire and Cleaning solvent clean up PAD, and then install the chip. Check the drawing to know that the u8300 is the VCC chip for the screen.
Apple MacBook Pro a1502 laptop screen does not display repair Figure 4.
After processing, the power on test has been displayed.
