Recent content by rob777

  1. rob777

    M2 MacBook 820-02536 No Trackpad/Keyboard

    An update as components just arrived and replaced ut350 and 352 and all working. Weird as both chips had their outputs but all is fixed. Thanks for your replies.
  2. rob777

    M2 MacBook 820-02536 No Trackpad/Keyboard

    Can please double check with you: SPI_IPD_TOUCH_CS_CONN_L Should not have voltage on it to be enabled. It has 3.3v so that would put it as disabled correct?
  3. rob777

    M2 MacBook 820-02536 No Trackpad/Keyboard

    This machine had minor liquid damage, it needed a new lid angle sensor only which was replaced via Apple IRP program. Screen now opens and shuts as it should. It still has no trackpad or keyboard. The following measurement were taken. As I can't find anything missing I am assuming I need to...
  4. rob777

    820-00164 strange charging issues

    POS is fixed. Was either C7125 or I haven’t been putting Q7130 on properly. What a nightmare. Over 4hrs spent
  5. rob777

    820-00164 strange charging issues

    And now q7130 has shorted to ground again. Going round in circles.
  6. rob777

    820-00164 strange charging issues

    Replaced q7130 again. Don’t have the continuinty to pin 10 anymore. F7140 is only 2v tho so I have something pulling it down I suppose.
  7. rob777

    820-00164 strange charging issues

    Yes f7140 has 16v on charger I just replaced C7125 anyway On Q7130 I have continuity from pins 2/3/4/9 to pin 10. This isn’t correct is it?
  8. rob777

    820-00164 strange charging issues

    I’m stuck, need some advice please. This board works fine on charger with no battery installed. With a charged battery and no charger it also boots and works fine. When battery is installed and you plug charger in, the icon says not charging the battery briefly then shows no charger connected...
  9. rob777

    820-3476 no trackpad/keyboard

    Yeh I know better. You are exactly right. Unfortunately because I have no patience, frustration at myself and then desperation lead here.. Anyway yes 3.3v is there as well as tpad_vbus_en 3.3v Have traced all keyboard and trackpad pins back to U4801 too.
  10. rob777

    820-3476 no trackpad/keyboard

    Put a new u4801 on - no change found it wasn’t doing a smc reset changed q4801 u4850 and u5110 started doing an smc reset but no working keyboard or trackpad. Smc reset has stopped working again now. Reflowed smc cause getting desperate. No change. So as of right now. External mouse works...
  11. rob777

    820-3476 no trackpad/keyboard

    Smc_lid is 3.42v
  12. rob777

    820-3476 no trackpad/keyboard

    Changed trackpad and flex already. Was minor water damage but not there trackpad or keyboard areas. keyboard has 3.3v at pin 30 and 3.4v at pin 4 trackpad has 5v pin 4 and 3.3v at pin 1 at one stage when testing pin1 on trackpad I touched ground too and it shorted and I had to replace r4808...
  13. rob777

    [SOLVED]820-3476 PPBUS_G3H = 4v

    Can mark as solved
  14. rob777

    [SOLVED]820-3476 PPBUS_G3H = 4v

    Bloody hell, just found R7125 was missing, not even there. I can't believe I missed it.. Put one on and I have 12.57v at F7140 now. Put back and we have fan spin and a Apple logo
  15. rob777

    [SOLVED]820-3476 PPBUS_G3H = 4v

    I figured the same and have stared at it and tested it for hours now.16.25v both sides
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