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Hi there, I have a faulty board. The meter is reading anywhere between 5.020 - 5.040V and 0.000 - 0.030A. The amp reading seems to suggest it is power cycling somewhat... I tested U5700 and I'm getting the correct voltages. In fact I am getting PPBUS_AON. Around U5200 PPDCIN_AON_CHGR_R I am...

Hi there, I'm trying to troubleshoot the U6070 circuit for this board. I have no image, but I know the LCD is good from testing on another laptop. I have the following readings: R6071 Pin 1: 12V Pin 2: 3.2V R6072 Pin 1: 3.2V Pin 2: 0V C6070 Pin 1: seems to fluctuate between 0V and 3.2V Pin...

Hi there, I was replacing the LCD on a A2485 and I noticed the backlight sheets had liquid ingress. I purchased the replacement but I did not make note of the order when I removed them! The seller is not much help. Can anyone here tell me what order/orientation the sheets should go in? Should...

Hi, I've got a MacBook that had liquid damage/corrosion only limited to the EDP connector for the LCD. The corrosion was only on the TCON board (I think it's called that) and the cable. The connector on the logic board side was not damaged. I replaced the flex cable and EDP connector on the...

Hi everyone, new member here. I've worked on older Apple devices in the past, but have only worked on a few of the newer devices. I'm a hobbyist and not fixing any of these devices for a customer base. I've bought a few devices recently (M1, M2 Pros mainly) with various board faults. This...