The caps key LED toggles? If yes, the OS is booting - allow for the normal boot time and then attempt the pressing of the caps key toggle. The keyboard backlight will enable if the ALS sensor notes the room to be dark. That is my understanding. Disconnect the trackpad if it is connected and continue to test. You can try a SMC bypass in which case the sensors will be ignored and the fan should go crazy high on fan spin - that is normal. See if that works for you. You may be linked to flexgate as well for the display.
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No reactions from caps key, only diode on hub tells me that laptop is on, no reactions when I try to do smc bypass, but what I discovered is problem while doing pram reset, I think it should turn on and do reset or something, but nothing happens. what do you think?
PS shuold battery be connected during smc baypass?
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Hola chicos, espero estén bien, he estado buscando información para aprender a hacer eliminación de password EFI en macbooks.
Actualmente tengo un problema con una macbook pro A1706 820-00923 SN:C02VD3GJHV2Q
Si podrian ayudarme les agradeceria mucho o algun link para aprender a hacerlo y no volver a molestarles.
gracias de antemano y que tengan una linda tarde, disculpen si estoy rompiendo alguna norma.
Hi guys, I hope you are doing well, I have been looking for information to learn how to remove the EFI password on macbooks.
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hello,
so i have an macbook pro A1706, motherboard 820-00923, everything works and it does charge without a problem but when i plug anything to the usb c it doesnt do anything, it doesnt give 5V on usb drive or any other peripheral,
i have opened the macbook and i can see some little corrosion on C7601 and C6950,, i have cleaned it and i measure 15v on C6950 PPVBAT_G3H_CONN -
Hi guys i am new to macbook repairs (i mostly do microsoldering on iphones and android devices. I need your assistance with macbook a1706 (touchbar edition) that came in without touchpad and keyboard functionality. External keyboard and mouse does work but the keyboard and touchpad on the macbook does not work. I changed the touchpad flex, also replaced the touchpad but the issue persisted. I then measured voltage on the board and found that PIN 44-50 of the touchpad connector (J4501) got 11.2V instead of 12.6V. Those pins required 12.6v and they get their 12.6v from PPVIN_S4-TPAD_FUSE . I measure... -
I just got in my hands one Macbook pro A1706. It was originally not turning on (only 5V 0,2a on all ports (and 3 ports were restarting ampmeter when connected)
I've replaced one CD3215C00 IC and now macbook is fully working (20V and charging fine)
There is only 1 issue that one USB-C port is taking 20V but 0A (after replacing CD3215 it was fully working and i was charging macbook on this port) but then it just turns off (ampmeter) and started with only 20V 0A.
There were some broken pads under CD3215 but i've recreated them.
What should be...05-22-2024, 08:04 AM -
Hello,
I have a A1706 with 820-00923-A board. The laptop came in with non-working keyboard. I bought a new top-cover with keyboard and transfered everything to the new topcover.
Since then the macbook will not charge or power-up. Before replacing top cover, I started the macbook to test, and it worked fine apart from keyboard. Then shut it down and did replacement.
This is what I measure so far:
Resistance from F7000 to ground is 123 Ohm on pin 1 and 2
PPBUS_G3H = 0,79v
PPBUS_HS_CPU = 0,79v
PPBUS_HS_OTH5V = 0,79v
PPBUS_HS_OTH3V3...
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