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hi,
kindly advise as this board 820-2936 had little liquid damage . it works completely fine when charger plugged in with the battery . as soon as we remove the charger the touchpad , usbs and the keyboard all stop working and if we plug in the charger back it starts working again ...
hi ,
we have 820-3115 motherboard and was not massively damaged by liquid but had liquid spill on few spots . the ppbus was 12.26 and when adapter was plugged in there was no green light but fan spins for 10 secs very fast and then goes off.
After cleaning the board and...
hi Duke ,
thanks for the reply , there were some problems such as every few mins it was forgetting wifi password , if i select option such as to show secs in time clock it will just tick the box but the actual function would not happen .
But keeping your advise...
hi,
had a damaged jack on board , before replacement it was not detecting the jack or speakers and had a greyed out volume icon , also upon fitting the new one still does not detect any headphones and speakers . any possibilities of testing some outputs from u6201 to...
hi ,
mostly clean board but found little liquid damage and that was cleaned . now the machine always seems to forget keychain . i believe the keychain to be managed by harddrive and os but upon changing many drives and the fault reappearing i would like you to advise what hardware...
hi ,
this board has got
PPBUS_G3H = 12.58v
MM
PP3V42_G3H = present
PP5V_S5 = present
PM_SLP_S5_L = missing
SMC_S4_WAKESRC_EN = missing
there is no green light and there is no liquid damage found on the board .
kindly advise
hi , kindly have a look at the pic , if any more pics needed kindly advise. also these readings are with the cable connected and they difference was only found in
instack alt= 1.298 plugged in and
when uplugged no reading = tested on r5210 ..
https://i.imgur.com/5qd5ob6.jpg
hi ,
thanks for the response , there is no short to ground on when the cable is connected , the reading on continuity or diode mode is
PP3V3_S0 = .658
finstack alt= 1.298 when uplugged no reading = tested on r5210 ..
Regarding the pic , i am tryin to upload but they are failing...
hi ,
thanks for the reply and the information . i have looked at the connector carefully but i am not able to see any thing wrong with it . i am also trying to load the pic but i am receiving error of wrong file extension.
smc _lid = 3.3 v
FINSTACKSNS = 0.05 and 3v3_S0 =.05 WHEN THE RIBBON CABLE...
hi ,
thanks for the reply , what would be stopping it from powering on as removing the ribbon cable brings it to life . there is no corrosion/damage present .
hi guys ,
the board looks clean after inspection . it powers on only when dcjack/audio board ribbon connector (821-1722-a) unplugged . the jack . no tace of liquid on or under j500. i have tried with a new audio board and ribbon cable but same result .
When the cable is plugged in the charging...
hi ,
liquid damage repaired , new keyboard and new connector fitted , worked for few days and then lost the kb/trackpad . replaced u5701 and it started working but again no trackpad / kb after few hours kindly advise
hi guys,
820-4924 fan is not working . system is fully functional otherwise . missing SMC_FAN_0_CTL hence motor control is missing . SMC_FAN_0_CTL comes from under the smc so kindly advise . it had liquid damage around u3210 , cleaned and new u3210 fitted already ...
hi ,
it was 820-2850 . thanks for the reply as you pointed correctly i found liquid damage around lan ic . working fine now .
thanks again . you can mark it solved .