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    820-02020 5V 0.04A and clicking sound

    They only components which are getting a little bit warmer are both RAM chips.
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    820-02020 5V 0.04A and clicking sound

    PP1V06_S2SW_DRAM - 0.001 in diode mode and 2.5 Ohm to ground Removed J7740/1 and R770A to check if U7700 is shorted and it is not shorted. Because PP1V06_S2SW_DRAM going to the RAM any safe suggestion how to find what is shorted?
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    820-02020 5V 0.04A and clicking sound

    Board got liquid damage around JT400, Q5240, CC337. Found short on PP5V_S2, replaced UP700 and short gone. Got 5V and 0.04A from charger and I can hear clicking sound on the board - transistor? Cant locate precise the location of that sound. Any idea?
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    820-00923 crashes on battery, on charger all fine

    No error in diagnostic mode (battery connected). Tested with original used battery and same issue. One thing which is not right and dont know if it will be related: J3300/47 USBC_XA_D2R_P<2>in diode mode 0.004 and should be around 0.330
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    820-00923 crashes on battery, on charger all fine

    Client had repaired liquid damage in some other shop. They replaced battery and on the board I can see liquid damage around: UB600, J5260, QV300, UB300 When on battery there are random restarts with kernel panic. "*** Panic Report *** panic(cpu 0 caller 0xffffff801f342836): nvme...
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    820-01598 no keyboard/trackpad and 5V on charger

    Please correct me if doing something wrong.
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    820-01598 no keyboard/trackpad and 5V on charger

    No DFU mode with battery and charger. The same without battery and charger.
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    820-01598 no keyboard/trackpad and 5V on charger

    Soldered wire with SE032/3 and 4. No DFU mode with battery and charger. The same without battery and charger. PP1V8_SLPS2R 1.8V PP1V1_SLPS2R 1.1V PP0V8_SLPS2R 0.79V PP1V8_AWAKE 1.79V PP3V3_AWAKE 3.23V PPVDDCPUSRAM_AWAKE 0.79V PP1V2_AWAKE 1.19V PPVDDCPU_AWAKE 0.75V
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    820-01598 no keyboard/trackpad and 5V on charger

    "Try to enter DFU using SE032 pads." no luck "Did you test the board alone on the desk?" yes, got 5V and 0.26A on charger and every a few seconds meter turns off and turn on (cycles). U3900 and U6903 gets warm.
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    820-01598 no keyboard/trackpad and 5V on charger

    I can but only when battery connected and when will do "jump start" when connect charger.
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    820-01598 no keyboard/trackpad and 5V on charger

    "Replaced that CD3217 and still got the same issue." When battery is disconnected got 5V and 0.25A on charger on both ports. With battery connected 5V and 0A on one port and no reaction on USB C volt meter on another port.
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    820-01598 no keyboard/trackpad and 5V on charger

    Replaced that CD3217 and still got the same issue. USBC meter shows all diode mode values are correct. Any idea?
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    820-01598 no keyboard/trackpad and 5V on charger

    When battery is disconnected got 5V and 0.25A on charger on both ports. With battery connected it turns on but on login screen trackpad/keyboard is not working. Fan on high RPM and 5V and 0.0A on charger on one port. Second USB C port got not reaction on USB C volt meter - it is linked with...
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    820-02098 no sound

    "Do you get headphones sound?" Yes
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    820-02098 no sound

    There was small liquid damage on UR660. Replaced that and still no sound. IC is getting hot under thermal camera. Don't have access to know working board. Values around UR660: PPBUS_AON_SPKRAMP_ABC_ISNS 11.96V PP3V8_AON 3.79V PP1V8_AWAKE 1.79V PP1V2_AWAKE 1.22V CR668/1 3.48V RR662/1 0V...
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    820-00138 won't boot when SSD is connected

    There was connection between C3717/2 and J3700/22 so it was strange why there is no any value when SSD is inserted. Checked inside of J3700 and pin 22 was bented/damaged. J3700 replaced and all works fine again. Many thank for all help.
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    820-00138 won't boot when SSD is connected

    Found something wrong. One of C3710-17 dont match. With SSD inserted on working board got diode mode reading 0.380 and on clients board got OL. My 820-00138 boardview is in fact 820-3662 model and that area looks different . Will show on photo below where got wrong reading. It looks like it...
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    820-00138 won't boot when SSD is connected

    Short to ground (0.5 ohm to ground) when SSD connected.
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    820-00138 won't boot when SSD is connected

    Sorry, thats diode mode readings
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    820-00138 won't boot when SSD is connected

    R3740 is good J3700/24 - the same values on known working board: w/o SSD - 0.456V w/ SSD - 0.386V J3700/7 - the same values on known working board: w/o SSD - 0.290V w/ SSD - 0.290V J3700/8 - the same values on known working board: w/o SSD - 0.440V w/ SSD - 0.387V J3700/47 - the same values...
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