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820-00239 came in liqued damage
only spot i was able to find is direct on the lcd connector
using a differnt lcd and connector does not make a differnce.
keyboard and touch bar gives light and responds to pressing a button or touchbar
fan spins after few minutes (to long imo)...
old "pos" came in liqued damage around battery connector.
First replaced C7035 and C7036.
then had short on battery connector line PPVBAT_G3H_CONN
after removing Q7055 and C6950 stil had short, after removing battery connector short gone (pin inside connector was bent and was making...
820-2850 came in no chime fans did spin.
after replacing C9560 (1 time i used the "new cap" with the 2 ground pads/ and 1 time the old way the 330 with a ground wire)
now it boots (chime and then os)
but after like 3/4 times turn of and on again, it gives fan spin but no more chime...
is there some one able to put a clean me region in this one?
please i seem to fuck up somewhere
and worst part, customer is commming for it in a hour or 2 :(
got this in had liqued damage all cleaned and the thing was running fine,
now it came back, seems left shift wont work.
changed 3 keyboards, changed TP cable and TP
stil same... all works except left shift
5 lcd assmeblys tested on a known
3 pieces of 820-3115
IMAGE: cant see, un able to even find a part where you see the wave form when you turn it on
no video when connecting screen with displayport
other lcd same issue
820-00165 seems to had some prior repair atempt (jtagg removed)
SMC_LID 3.423v when lid is open,
closed lid 0.000v
then open lid, 3.423v
but it wont turn on again, not at key stroke or powerbutton
wil turn on when you plug charger
(for my info so i know what board is what rep:1958)
sometimes image and even os
most times it just stops running.
u1950 was prefucked. (replaced and trace fixed)
u8005/C8005 pp5v_so had some damage replaced
u5800 probe point for CPUTHMSNS_DUR_SEL fixed had...
got a 820-2915 mac here
put the logic board in a known good working housing + ssd and same result
replaced all parts like hdd/ssd/cable/RAM/ nothing connected etc, and Always stuck on apple logo about 30%
also known good SSD and ios same result
ASD gives no errors.
interesting one here,
board looks perfect, no liqued damage and seems the board has never been removed.
ppbus_g3h 12.61V stable
after you plug in charger
fan spin, image on screen, backlight turns on.
i can even sometimes do a ASD test. (wont finish) turns off...
ppvrtc_g3h 0.000volt replaced u1900 then 3.4v
pm _slp_s4_l missing
pp3v3_s5 also missing
C5120 and R5127 because they look back
i get pp3v3_s5 for a short moment and also fan spin.
after few second the pp3v3_s5 drops back...
came in precleaned....
green light then orange.
ppbus_g3h 8.18volts (same as on working board from other MacBook)
Mouse lights up
PPVCC_S0_CPU 1.803v stable
PP3V3_S0SW_LCD 0.000volt diode 0.532
PP3V3_S5 3.334 volt
EDP_PANEL_PWR 0.000volt comes...
tested differnt trackpad+keyboard+cable.
no corrosion on connector.
Liqued damage was around smc, replaced and working except no keyboard trackpad.
Option key at boot wont work no detection
Power button works
1 3.42v 0.429
2 0v 0.442
3 0v 0.000
4 0v 0.353
5 0v 0.350
6 0v 0
820-00165 liquid damage (near SMC) does not see SSD, SSD is checked in differnt mac and works perfect.+
P3V3SSD_VMON 0.029v should be 0.7v
after replacing r37/40/41/42 i got P3V3SSD_VMON 0.998v
came in replaced dc jack tested then replaced battery tested, takes 6 hours to charge from 56% to 100%
boots fine with only battery
charger Original even with differnt charger same result
charger shows on system its 85W
came in from differnt store, Original issue...