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    820-3115 B- liquid damage-No Boot---Nothing

    Hello at the beginning, board 820-3115 B mojitos damage, won't boot no green light... nothing. cleaning with alcoohol isopropylic.(for me not need ultrasonic cleaning) I have fix differents components:
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    :)...................................................
  3. L

    [SOLVED]820-2915-A-No detect battery-no water damage.

    ok:D :rolleyes::rolleyes: yes I hope!!
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    desoldering R8798 and test : R= 0.3Ω (and write 0Ω in pdf is ok?)
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    other test: do you think that here problem?
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    sorry swap it over= desoldering for test?
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    testing all PP3V42_G3H one problem (picture)??? (all points = 3.46V except R8798)
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    before remove it....I would like to know if it's possible to detect with mesures if the SMC is anormal or dead..... just a question
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    ok thanks for your fast response! Now I wonder if you have to test to see if the smc is good?
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    Hello! Have you some idea about my post please,a track about my inquiry...

    Hello! Have you some idea about my post please,a track about my inquiry? https://www.rossmanngroup.com/boards/forum/board-repair-troubleshooting/3545-820-2915-a-no-detect-battery-no-water-damage/page2
    • luk812
    • Profile post
  11. L

    [SOLVED]820-2915-A-No detect battery-no water damage.

    Would you like that I make tests around something(around SMC or other ..)??? I am ready to try !!!! I have find another SMC (with internal firmware now I wait smc) Please help me !
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    Can I replace smc on my logicboard 820-2915A with SMC on logicboard 820-2915B?
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    can I replace my SMC on logicboard 820-2915A with SMC on logicboard 820-2915B (K91)?
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    ok .....:( and change the smc (with internal firmware to be taken from a donor board) + find the rest..... I shall give to your experience, or should I explore, I'm available ....
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    I have change ISL6259, and no detect battery after boot to OSX.(I have clic on battery indicator and mac shutdown immediatly..?) I must change SMC now and must wait 2 weeks.... if you have tests to wonder..... for confirm (SMC problem) or around smc, or about d6950? thanks
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    it's not d6950? just a question: if dust is present during use mac, the SCM can overheated and cracked solder balls?it's possible that the smc rework after infrared or hot air gun heat? order new DF2117RVPLP20HV SMC (U4900)be there soon...
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    ok thanks I will change ISL6259 first, and SMC if the problem is not solved..... See you soon and thanks!!!:) I give news after!!
  18. L

    [SOLVED]820-2915-A-No detect battery-no water damage.

    magsafe disconnected, without battery, do you want that I test with battery plugged?(same test)
  19. L

    [SOLVED]820-2915-A-No detect battery-no water damage.

    Magsafe discon. .... Mode diode mesure on pin 4 and 6: pin 4 =1 pin 6 =between 595 and 504.
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    [SOLVED]820-2915-A-No detect battery-no water damage.

    (apple hardware test; 4SNS/1/40000000:VPOR-15.905 ) 4SNS: System sensor V=? P=Power Bus O=Optical drives(normal) R=? I have test with another battery charged and another BIL connector but no boot with battery (middle charged).
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