Recent content by Roshon

  1. R

    Apple MacBook Pro A1990 / Board 820-01041-A / sometimes 19.7v 2.45a others 5.10v 0.50a

    this is u3200 when i plug in any of the ports and the other is when i have the battery connected L7030 and Q7030
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    Apple MacBook Pro A1990 / Board 820-01041-A / sometimes 19.7v 2.45a others 5.10v 0.50a

    have a new Apple Macbook Pro A1990 which does not power up, no fans, no chime and black screen. tested USB C port and the: 1. when the board on Apple MacBook Pro connected to the battery --> 19.7v 2.45amps. Amps 2. when board directly connect to the charging cable --> 5.10v 0.50amps...
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    820-00850 5v no PPBus_g3h

    pin 2 11.8 ohms
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    820-00850 5v no PPBus_g3h

    c7050 is 12.25v i have a thermal camera should i put voltage to ppbus_g3h
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    820-00850 5v no PPBus_g3h

    i get 5.12v with 0.03amp no ppbus_g3h there is no water damage board is clean it just stop working
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    820-00239 A1706 'Critical Update Required and no touchbar

    i replace j4401 now it works thank you
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    820-00239 one of the 4 usb not working

    u3100 not giving any power i test the traces from j3300 on line PP20V_USBC_XA_VBUS good usbc_xa_cc1 good usbc_xa_cc2 has a short to ground i think it c3114 or dz3301 i removed both and still have short does that mean u3100 is bad
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    820-00239 A1706 'Critical Update Required and no touchbar

    I GET 5V ON PIN 22 PP5V_SO_T139 pin 21 1.8v PIN 20 PP1V8_SOSW_DFR 1.1V pin 19 1.1v PIN 18 1.8V PIN 16 1.8V PIN 14 1.8V PIN 2 dfr_touch_lid 0v
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    820-00239 A1706 'Critical Update Required and no touchbar

    We've got a A1706 with no touchbar that is failing to'Critical update. Also tested the board in a different housing and still the same error. Not sure where to check next. Just to add that the Macbook boots in safe mode
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    820-01521 5.3v no boot

    820-01521 came in with water damage PPDCIN_G3H 5v PP3V_G3H 3.3v PPBUS_G3H 12.3v PP3V3_G3H 3v PP3V3_S5 0v
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    820-02773 water damage to UC840

    i FIX BROKEN trace on pin 1 of UC840 and now it works do you know where to get SLG5AP1777V IS UC840
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    820-02773 water damage to UC840

    T GET 5V THEM 19.5 THEN CYCLES AGAIN CAN A BAD UC840 DO THIS PIN 1 PP3V8_AON BAD WHERE CAN I GET A UC840
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