For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
clarification, on intake ppbus was present, now its not
resistance to ground ppbus@F7074 0.8k
resistance between u7000 pin 17/18 3ohms
resistance between u7000 pin 27/28 20ohms
3.33V for both
history, sicky substance around c3890 area
unrelated question, I have fixed almost every air board thats come through here, and around 70% of retina boards but these I rarely fix them without help, why are these such bullshit compared to the retinas and airs
all s5 power rails present none of the s3 PM_SLP_S4_L missing again, is there something im missing, this is the same as every 2012 board
I was asked this before, SMC_ADAPTER_EN is 3.37v
820-2849 missing PM_SLP_S4_L and PM_SLP_S3_L
I came to this from testing power rails, all s5 present all s3 missing
visual inspection reveals nothing except for cum stains around the backside usb connectors
r5222, r5223, r5012, r5044 all discolored
the rest looks fine, board was ultrasonic...
this is my personal 11inch macbook air
came in for data recovery only macbook was donated
green light no fan spin
all s5 rails present
no s3 rails present traced back to no pm_slp_s4_l
this comes from the cpu, pp3v3_g3_rtc present
jtag removed no evident corrosion on board
had a job come in 2 months ago for no kb and tpad, open it up the kb bkl connector is corroded, replace it run jumper to the other side.
works perfectly, give it back charge $400
2 days later comes back no kb and tpad, repeal kb bkl connector completely and remove jumper
works perfectly
2 days...
hi I now have 2 macbooks a 164 and a 165 which are both missing EDP_BKLT_EN, is this a common fault with broadwell,
both boards have image on screen but no backlight
q7707 pin 5 diode mode 0.77V to ground, and 100k ohms to ground
smc_lid 3.42V
simple, dont use efi, just have 1 installer for el capitan (for compatability) 1 full el capitan install for testing, and all the ASD os, in the boot menu it will show what you have named the partitions as, mine are like 3s156 3s162 etc