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  1. W

    820-3476 Charging Light Blinks with Battery Connected

    R/C7125 are Good. After Replacing Q7130 Problem Solved, I got nice 12.54V and Solid Light on Charger with Battery Thank You So Much Problem Solved
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    820-3476 Charging Light Blinks with Battery Connected

    PPBUS_G3H voltage with charger only (no battery) 20V which should be around 12.4V Resistance between pins 17/18 is 4.3 Ohm and 27/28 is 21Ohm of U7100.
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    820-3476 Charging Light Blinks with Battery Connected

    Hi I have Motherboard 820-3476, Board is working fine with battery or Direct with charger but If battery is connected then it's start blinking like cutting of power. Replaced U7100 ISL6259, Checked R5380,R5381, No Corrosion so far. Any Suggestions
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    820-3437 R7005 Blows out

    C7090 was culprit, it was 100 ohm on diode mode and I didn't know it's bad. Sorry I didn't mention value on that Cap earlier. Issue is solved and Board works like charm. Thanks again for all your Help @2informaticos 5*
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    820-3437 R7005 Blows out

    Thanks for Help On diode mode at L7095 no short to ground (it does not beep when I try to connect probe to ground) Removed U7090 from Board, still new resistor blow out without it. R7096 is about 181K R7095 is about 360k PPVIN_G3H_P3V42G3H is 0.65v with broken resistor and components removed.
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    820-3437 R7005 Blows out

    Hi I have 820-3437 Logic Board As soon as I plugged charger to this Board, R7005 Blow out. R7005 not short to Ground. I tested with New R7005 without D7005 it gives me roughly 20v on both ends. As soon I Install D7005 , R7005 blows out. NO sign of Liquid damage on motherboard. PPBus_G3H is...
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    A1989 Touchbar and Keyboard light stop Working

    Still waiting for if someone want to help me here ?
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    A1989 Touchbar and Keyboard light stop Working

    What are the chances installing A1706 screen on A1989 model , can cause burn out some components
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    A1989 Touchbar and Keyboard light stop Working

    Didn't found anywhere, where is the connection for touchbar , keyboard is working caps lock is working, anything common in these two connections
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    A1989 Touchbar and Keyboard light stop Working

    Hi Everyone Client took Macbook to local computer shop, They replaced A1706 Screen on A1989 Model 2018, after replacing they realize screen model given was wrong, so they replaced back to A1989 Screen, Now screen is working fine, brightness is also controlling fine but after that Touchbar and...
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    Missing P5VS4RS3_EN

    I don't have oscilloscope to check pulse, any other alternative
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    Missing P5VS4RS3_EN

    PM_RSMRST_L 3.27v PM_PWRBTN_L 3.40v SMC_ONOFF_L 3.41 PM_SLP_S4_L 0V
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    Missing P5VS4RS3_EN

    yes it was corroded and replaced u7600, also Resistor Replaced R8185, No liquid spot found or corrosion anywhere else on board, U1900, U1950, U6100 Checked properly no corrosion. Can somebody also explain. I am getting 3v on L7560 but not 5v on L7520. I did replaced U7501 but not sure when it...
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    Missing P5VS4RS3_EN

    I am so Sorry, Macbook Air 820-00165
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    Missing P5VS4RS3_EN

    Macbook Air not turning on Liquid damage on U7600, Chip replaced but Still not power. PPBUS_G3H 8.55V PPBUS_S5_HS_COMPUTING_ISNS 8.54V PPBUS_S5_HS_OTHER_ISNS 8.54V PP3V42_G3H 3.42V PPVRTC_G3H 3.31V PP5V_S5 5.0V PP5V_S4RS3 0V Missing this Power Rail PP3V3_S5 3.31V PP3V3_S4 0V PP3V3_SUS 3.31v...
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    Missing P5VS4RS3_EN

    Motherboard 00165 is not turning on I used power supply and it is Consuming around .23amp Missing Rail PP5V_S4RS3 so I don't have PP5V_S0 I checked u7500 and found Missing P5VS4RS3_EN_R at Pin 4, P5VS4RS3_PGOOD Pin 5 not sure if I need these to get chip turn on. Repalced U7500 but no results.
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    820-00165 Fan Running Fast

    I did Install new IO Board and Flex, New flex cable for trackpad, No webcam connected, still it's in same condition
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    820-00165 Fan Running Fast

    I have 820-00165 Board, Macbook is running ok, just Fan is spinning at high speed. I don't know which asd to run on this model. I ran Hardware Test and it only shows Heatpipe 2 at 128 degree , Heatpipe outgoing air at 128 degree. No Corrosion near u5800, u5810, u5620. Any Suggestion please
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    Liquid damage on 3023 Board

    As soon as I plugged battery to Motherboard, Chip U6990 at Pin 6 Sparked and chip dies Replaced Already U6900 and D6905 , but still Noticed Resisteance at PPVIN_G3H_P3V42G3H at Pin 6 is 100Ohm only Removed capacitor C6999 and C6990 but still low resistance. Don't understand what should I try Next
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