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    Macbook Air A2337 Schematic & boardview – 820-02899

    hi does anybody have Macbook Air A2337 Schematic & boardview – 820-02899 or know what board is the same thank you
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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

    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 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

    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

    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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    820-00840 power plug works one way not other

    on port for U3200 a/c adapter works one direction when flip over it does not i tried different cables with usb volt meter it goes to 5v then 19.5v then shuts down
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    820-00928 - 20v only turn on with charger

    with out battery i get 19.7v and it goes up to 1.20a i get fan spin for 7 seconds then 19.9v oA i press power button and it does all over again with battery 19.7 2.10A and it turns on everything works battery charging i can unplug charger everything ok if i close lid and open screen will not...
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    820-01598 5V ON AND OFF

    I GET 5.10V WITH 0.27A FOR 7 SECONDS THEN IT CYCLES AGAIN PPBUS_G3H = 12.23V PP3v3_G3H = 3.30V PP1V8_SLPS2R = 1.8V PP1V8_AWAKE = 1.8V PP1V1_SLPS2R = 1.1V PP0V8_SLPS2R = 0.79V PP3V3_AWAKE = 3.29V PP1V2_AWAKE = 1.20V Could u3100 be bad
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    A1706 820-00923-A no webcam

    i tried different screen i tried new J8500 cable i get 5v on L4004 i get 5v on pin 46 on J8500 1.8v on pin 40 12C_cam_SDA 1.8V ON PIN 38 12C_CAM_SCL
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    A1706 820-00923-A no webcam

    I CHANGE SCREEN AND STILL NO CAM I Test THE Ambient Light Sensor AT L4004 AND its good i get 5v at J8500 pin 38 12C_cam_scl i get 1.8v 40 12C_cam_sda i get 1.8v
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    820-01700 No power with battery 19.7V 0.78A no battery. 19.8V 0.15A

    Trying to fix this MacBook Pro (16-inch, 2019), but no success. Under thermal camera i found short on u9080 AND U8600 PP2V5_NAND_SSD1 PP2V5_SSD1_AGND PP2V5_SW1_TPS62180_SSD1 PP2V5_SW2_TPS62180_SSD1 SO U8600 IS SHORT IS IT FIXABLE
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    820-00928 one of the 4 usb-c no 5v

    on the 3 usb c i get 5.1v .33A NO 20V PP3V3_G3H 2.5V U3100 PP3V3_UPC_XA_LDO 1.8V U3200 PP3V3_UPC_XB_LDO 3.3V WHEN I USE IT WITH POWER CORD WHEN IDO'T 2.5V THE SAME ON UB400 AND UB300
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    A2141 820-01700-05 no power

    there is a short on PPbus_g3h and i cant find where it is i applied some voltage to it but L9580 gets hot but its not to ground so I'm stuck
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    A1707 820-00928-A No Sound No image

    I HAVE A 820-00928 I GETFAN SPIN WITH 19.5V 0.1OA WITH NO BATTERY I GET 5.21V FROM USB I EVEN TRYED REPLACING BIOES NOTHING L7211/21/31/30 /50/350 these coils have .33mV L7410/ 20 .33mV LA640.28mV
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    820-01041 short on ppbus_g3h

    i had a short on ppbus_g3h i found it at U9080 i removed and short was gone i replace U9080 i get 19.5v 0.16a i notices u8800 getting hot no boot i tryed DFU but get era The operation couldn’t be completed. (AMRestoreErrorDomain error 6 - Failed to handle message type StatusMsg (Operation...
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    820-00923 No audio device. everything else works

    the board has no water damage it came in with bad screen and no sound i change screen but no sound it says no audio found u6200 pp1v8_so 1.8v HDA_SDOUT 0V HDA_RST_L 0V HDA_SYNC 0V
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    820-01521 no boot had water damage

    i get 19.5v 0.03A ppbus_g3h = 12.43v pp3v3_g3h 3.3v pp5v_g3s 5.1v
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    820-00165 short on ppbus_g3h

    820-00165 short on ppbus_g3h at F7140 was blown i get 8.4v on pin 1 ppvbat_g3h_chgr_reg and a short on pin 2 ppbus_g3h i supplied some voltage to see if any get hot but nothing
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