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  1. Patricia

    820-02098 5v no liquid

    Hi to you all :) I got a 820-02098 board with no liquid and in really nice condition (not even dust) that just died during a Word document according to the client. I get 5v and 0.000A on the charger... I have no knowledge about this board (all new to me) but this is what I have so far PPDCIN...
  2. Patricia

    820-00165 strange problem

    Hi to all i have a 820-00165 that works perfectly fine from battery and charges from the bench power supply , green and orange present , ppbus 8.57 and pp3v42 is 3.42 but if i connect a known good (several) apple chargers i get no green light or flashing green every 3 seconds and it doesnt...
  3. Patricia

    00165 ppbus stuck at 4v

    Hi to you all nice people , Merry Christmas first of all :) Got a 820-00165 board with no liquid damage or corrosion whatsoever. Had a short on C7430 , replaced it and ppbus went up to 4v (from 0 ) now the board is taking 23 mA and i am stuck :) pp3v42 is ok and i do have green and orange light...
  4. Patricia

    820-00239 Touchbar braindead...

    Hi 2informaticos Another touchbar that makes life interesting The board takes about 19.9V and 0.66A and CPU is getting hot , no activity on usb or external screen and no image on internal screen Some measurements: PP3V0_G3H = 3V PPVCC_S0_CPU = 1.098V PP0V6_S0_DDRVTT = 0.6V PP1V8_S0 = 1.8V...
  5. Patricia

    820-4924 ppbus stuck at 4v

    Hi 2informaticos and all you other nice people well i have a 4924 that according to the customer had some water on it ... I guess she is right but absolutely no corrosion on the board whatsoever. It has green/orange light and the pp3v42 is actually 3.32v (bit low?) and the ppbus is 4.2v and the...
  6. Patricia

    820-3332 ...again....

    Hi 2informaticos and the rest of you nice people :) Well here I am again with my favorite nightmare board , the 3332 .... This time i have a board with some oxidation and no green light at all .... No liquid damage noticed (the sensors still white) , while checking it out on the microscope i...
  7. Patricia

    A1706 mid 2017 no keyboard

    Hi to all you nice people I have a 820-00239 board with a non working keyboard , all keys (I mean all) are not responding . The board is like new , no corrosion or oxidation at all . I have seen these boards with some keys not working or sticky or .... but never with a complete keyboard totally...
  8. Patricia

    3662 short to ground on ppbus_g3h

    Hi to you all :) I have a 3662 with a short to ground on PPBUS:G3H I removed the F7140 to see on what side the short is and with my bad luck it is on the system side .... PP3V42 is ok Any tips on how to proceed ,,,, The board has no liquid damage and according to the owner it just died .... no...
  9. Patricia

    820-3332 strange problem :)

    Hi to all nice people I have a very odd problem , on one 3332 board when I connect the charger I get a green light just for a sec and then off . I connected it to the bench power supply to start measuring and the board magically turned on ???!!! I put it back and connected everything and on...
  10. Patricia

    820-00138 question about the U7310

    Hi to all you nice and smart people I just have one question I am working on one 820-00138 and I do not trust completely the brd and pdf I have on it . Long story short it doesnt turn on and upon a close inspection under the scope I found that the u7310 has a lot of pins non soldered that...
  11. Patricia

    820-3787 not posting ...

    My first post , Hi to all you nice people :) please bare with me I am a total newbie at this . I tried to find similar posts to find a solution but couldnt . I have 4 boards with exactly the same problem , at least the symptoms are exactly the same . No liquid damage and no corrosion whatsoever...
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