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hello,
please need help for mainboard 820-02098-a
i have 5V with power supplies, turn to 0.850A 1sec and turn again 0V
Check F5200/01 i have 12.5V
no liquid see on this
thanks
do you have value in diode mode for this 2 fpc?
I don't have on flexbv, xinzhizao same
I have found this link but not correct motherboard
https://logi.wiki/index.php/MacBook_Diode_Mode_Measurements
i have replace all
yes with all usb-c have same
please, check picture for value usb-c
i have test this line :
pp1v8_upc_xb_ldoa : i have 1v8
pp1v8_upc_xb_ldod : i have 1v8
pp1v1_upc_xb_ldo_bm : i have 0V, no short on this line and 0.522 in diode mode
hello,
please i have one macbook mainboard 820-01700
client have replace battery and laptop no start
i have check and the problem is when i connect cable between the battery and the mainboard for info batt
when i remove, macbook start perfectly
When i put cable laptop stay 0.110A and no power
I...
hello,
please need help for mainboard 820-00850
i have 5V and 0.120mA
We have replaced the CD3215 on this mainboard same problem
On big coil no have short
Thanks for help
Hello,
please need help for 820-3435 mainboard
i have c7619 burn
i have replace it but laptop no start
i have ppbus_g3h to 0.78V and no short
on u7100 :
pin 1 : 0v
pin 2 : 18.4
pin3 : 4.8v
pin 9 : 0v
pin12 : 3.4v
pin 13 : 3.38v
pin 14: 3.38v
pin 15:0v
pin 17:8.56v
pin 19:8.56v
pin20 : 0.63v
hello,
i need help for mainboard after liquidamage
i have clean and works 2 weeks
after 2 weeks doesn't start
for value, i have
PP3V42_G3H : 1.18V
PPBUS_G3H : 0.6V
PPDCIN_G3H_CHGR / 18.5v
thanks for help
hello
i have mainboard 820-00165 with problem after water damage
i have clean and laptop work 2 weeks
actually no boot, no light on charger
Problem is with ppbus_g3h
i have 1.4V on F7140 pin1 after remove F4140 but i have good diode value (0.1)
but on pin 2 i have 0.4 in mode diode but need...
yes on each usb-c have same problem
for history the macbook have stop alone and 5V
no water damage
I have remote for check voltage to C7050 and i have 0V
i have put again the F7000 and voltage is return 20V and macbook working perfect
thanks
i have remove U7500 and fan turn
i have 0.310A
think i have found the problem, need found ic on donor board tomorrow and check if it's better or if i have line defect to this chip