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Hi Guys,
sorry if its an off-topic but i cant seem to find online whether A1707 2016 motherboard is compatible with 2017 model?
There is no better place on Earth to ask this question ;)
Thanks!
Hi,
Has anyone done a keyboard replacement on MacBook Pro 13" 2020 A2289?
Can it be replaced separately? Is it tricky? How difficult is it? A1706 difficult or as simple as A1278?
Thanks!
Hi,
I have an A1932 machine here that does not boot to OS. Recovery gives an error: 1008F and external boot is locked. What is my best solution?
Thank you for your help!
Hi there,
This board was water damaged. Has been to another shop already. They cleaned the board so cant original areas of corrosion.
I have orange light on MG. Normal fan spin. No light on caps key or USB mouse. No chime, no image.
I took some measurement but now I am stuck and dont know...
Hi,
Tried good working power supply - no light on any diagnostics LEDs. Inspected board for corrosion or explosions - nothing. Seems like there are no schematics for this board either. Any known issues with this board? Any idea what it can be?
Thanks!
Hello,
I have strange problem with audio jack. When I start the machine headphones work. If I unplug and replug them, they stop working. If I restart the machine they work again. Speakers work normally. Audio codec? REF line? Please advice how to proceed.
Thanks!
https://www.youtube.com/watch?v=9JcmJ6LHdWA&t=777s
I tried to follow this, was looking like the same, but after smc reflow, still not fix.
I get 3.11V on SMC_reset_L
PP3V42_G3H present.
PP5V_S5 present.
PP5V_S0 - 0V
solutions?
Hello,
Backlight IC replaced.
L7701 - 8.5V
BKL_EN -2.8V
BKL_PWM -2.8V
FB - 0V
FB line is not broken. Have continuity.
Fuse is okay.
R7712-22 - 0 oHms. OL in diode mode.
Please advice how to proceed. Thank you!
Hi,
1. 0V on the charger
2. replaced U3100, now 5V on the charger. U3100 replaced with the same model B01 but from another donor board that had 20V on charger.
3. All big coils 0V. PPBUS_G3H - 0V. P3V3G3H - 0V.
4. Checked for short on all the big coils. L7210, L7230, L7410, L7430 seem to be...
Hi there,
Feedback line was missing because the pad was totally destroyed by corrosion (see the picture).
Ran a jumper to another pad (see picture 2).
Replaced the backlight driver IC.
Still no backlight. 8.5V on the coil.
Checked BKL_PWM - was low (0.8V). Connected C7711 to pin 2 instead of...
Hi there,
No signs of water damage.
Magsafe charger switches from 5V to 20V.
All main coils (and there are many on this board) - 0V, except for L7660 - 3.31V.
No pulse on ON/OFF button press.
SMC bypass - same. Though I am not sure if SMC bypass procedure is the same as on previous generation...
820-00164-A
Hi,
No water damage on the board.
Value is board connected to power normally.
L3095. 0V
L7520 0V
L7701 0V
L7560 3.34V
L7310 0V
L7320 0V
L7130 7.94
Value while you press the power button
L7520 1.61V
L7310 0.61V
L7320 0.32V
please advise how to proceed.Thanks.
Hi,
No water damage on the board.
First value is board connected to power normally. Second value is board in SMC bypass mode:
L7130 - pulsating 12.14V-12.59V; 12.27V
L3095 - 0; 0
L7560 - pulsating 1.0V-3.0V; 3.34V
L7520 - pulsating 0.01V-0.07V; 0V
L7430 - 0V; pulsating...
Hi there,
no water damage. No light on MG (1 out of 10 i get orange light that fades out), no fan spin, all coils 0V. Tested with good working io board and cable.
Please advice how to proceed.
Thanks!
Hi,
Coffee spilled on keyboard.
No corrosion on the motherboard.
Tested with new keyboard - working.
After installation not working.
Tested with new keyboard - working.
After installation not working.
Test more times: sometimes working, sometimes not working.
Tested with good trackpad and...
Hi,
I have an iMac 27-inch from Late 2013 with flickering screen issue (exactly as on the video from the link). Tested with another screen and LCD cable still flickering but differently (the whole screen flickers ON/OFF with another screen).
What do you think it can be?
THanks!
Hi there,
No water damage. Board inspected, nothing looks suspicious.
SMC reset - MG flashes green to orange.
SMC bypass - gave me half a fan spin once but not anymore.
L7701 - 0V
L3095 - 0V
L7130 - 8V
L7520 - pulse around 0.5-2V
L7560 - 3.2V
L7430 - pulse 0.5V
L7630 - pulse around 0.4V
L7310...