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I have this board that came in due to no Touch Bar activity. Found knocked off L5110 which fix that issue. But now i noticed the keyboard backlight isn't working. The backlight is not even showing up as an option in the setting menu. Am i missing something here or does this board not support...

Have this board that originally wasn't switch from 5v to 20v on PPDCIN_G3H. Troubleshot it down to U7000, replaced and PPDCIN_G3H now goes to 20v but no current draw. PPBUS_G3H is reading 3.76v. Any suggestions on where to go next?

Have this board that doesn't recognize the SSD. I've tried clean bios with same issue. PP3V3_SSD_NAND, PP1V8_SSD_FMC, PP12V_SSD_VPP all come on to their respective voltages, but after a few seconds, they all drop out. After about 5 seconds PP12V_SSD_VPP try to come back on, goes up to 10/11v...

Have this board that won't power up at first. Found missing PP5V_G3S. Isolated to U8110. PP5V_G3S restored once U8110 is replaced. But board still isn't powering up. The fan does spin but that's it. Any suggestions? Here are a few voltage readings PPVCCGT_CPU_PH1/2 - 0.0v PPVCC_CPU_PH1/2 -...

Originally came in with the critical update issue. Found minor liquid spill and some corrosion. Cleaned up the corrosion but was still having the critical update. All of a sudden it's stopped point up, come to find out PP20V_USBC_XA_VBUS is missing but all the other 3 ports are at 20v and...

Have this board that once it goes into sleep, the display won't come back on unto i reboot, but external display works just fine. Even after i unplug from the external display, the internal display never comes back on until reboot. No sure if this is related, but also noticed the internal...

Have this board that got liquid spilled on it. I was able to isolate the short to the T2 chip. Since this would be my first attempt on replacing T2 chip, do i need to replace the SSD's as well?

Have this logic board that won't power up with MagSafe but will successfully charge a completely drained battery to full and also power up with battery. Once the battery is unplugged it won't power up anymore. it does switch from 5v to 20v but never power up without the battery connected...

Have this board, appears have gotten slight liquid spill on J4402 and around the components close to it, as far as D3370. I'm not reading any shorts on any of those components. I do get a short on PP3V3_PMICLDO, about 9ohms. U7800 is clearly blown with a hole on the top of the chip. My...

Have yet another board with no power. 20V present but no current draw. Notice PP5V_G3S is unstable and pulsing. PM_SLP_S4_L - 0.0 PP5V_S5_LDO - 5.03 PPVIN_G3H_P3V3G3H - 12.3 and stable PPVIN_G3H_P5VG3S - 12.3 and stable PP3V3_G3H - 3.3 and stable P5VG3S_EN_DLY - pulses also Any suggestions...

Have another board . Found and isolated a short to U7800. Once U7800 is removed, the short is gone. Short is on PP3V3_G3H_PMU_VDDMAIN My question is can i replace this chip with one from a seller from china or does this have firmware or files specific to the board model, which would mean i...

Have this board that doesn't power on. I get 20v but no amp draw. Couple readings PPBUS_G3H = 12.6V PP3v3_G3H = 3.3V PP1V8_SLPS2R = 1.8V PP1V8_AWAKE = 1.8V PP1V1_SLPS2R = 1.1V PP0V8_SLPS2R = 0.8V PP3V3_AWAKE = 3.3V PP1V2_AWAKE = 1.2V PMU_PVDDMAIN_EN = 3.3V P3V3MAIN_PGOOD = 3.26V PP3V_G3H_RTC =...

This board came with no power. Noticed it's missing D3312 and D3328. Could these two be possibly causing my no power issue and if so, does anyone know what the part description is so that i can order them?

Have a board that I need to replace the Touch ID as the cable was ripped. Has anyone found a way to pair a new Touch ID to a different board?

Board isn't powering up. Found corrosion on and around U8190, U1830 and U8192, and Q440. Along with the corrosion, UB400 was cycling on and off. Once the corrosion was cleaned, the cycle was fixed and we now have 20v on all 4 usb-c ports. Also, replaced R1452 due to it being corroded. But the...

Have this iMac 27” (haven’t done much work on these) that isn’t powering up. Led 1 is blinking, so Swapped power supply with same outcome. Led1 is solid with cpu removed, so replaced the cpu with the same outcome. Note, when the power button is pressed, led1 blinks a lot faster. Any suggestions...

Have this board that doesn't power up, found PP5V_S0_CPUVR - 1.19v PP5V_S3 - 5.1v isolated to both Q7310 and Q7320 to be blow, short between pins 4 and 1,2,3 pins. Resistance reading of about 2ohms. Resistance reading of just pins 1,2,3 to ground is 12ohms, which matches a good board...

I have this board that doesn't have image to the screen (no backlight or image). The owner states it had a Shorted out keyboard/trackpad and the has screen issues intermittently. I've tried a new display with the same outcome. Here are some measurements taken so far. This will be my first no...

Original issue was no power due to corrosion damaged capacitors, C6405, C6416 and C6482. Once power was restored, the computer boots up and runs fine with or with power adapter plugged in. But whenever the power adapter is plugged in, or power button is pressed to turn on, apple logo comes on...

Board originally had corrosion damage and not powering up. After cleaning, replaced U1900, U7600, U1950, C5125. Also repaired trace between C1950(1) and U1950(8). It worked for about a week and now not powering up again. When i place heat using a soldering iron directly on U1950 for about a...