Recent content by opsudhead

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    820-01041 ssd fail

    Hi guys I have this board with this module ssd shorted , but I don’t find a new piece, it’s so hard find board donor this ssd module it’s 1TB configuration (6 modules total) can be replace with minus one capacity? or if someone have contact me
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    820-00163 green light no power

    gpu can be disable like 2011 mbp?
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    820-00163 green light no power

    no pulsing on P3V3_S0GPU_EN
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    820-00163 green light no power

    jumps to 150mah and down to 30mah dont power on
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    820-00163 green light no power

    all_sys_pwrgd pulsing to 3.22V L8710: 0.236 L8760: 0.198 L9360: 0.046 L9330: 0.046 L9410: 0.0178
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    820-00163 green light no power

    3V3_S5/SUS stable L8710, L8760, L9360, L9330 no pulsing rest of big coils pulsing normally
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    820-00163 green light no power

    Hi guys this time I have a 820-00163 board with no water damage or corrosion, checking all rails I found a 3v3_S0 pulsing with oscilloscope, which means I possibly have a short on S0. in the schematic I only see a few mentioned where I should start
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    820-00165 No Power

    already replaced two times, same result
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    820-00165 No Power

    Diode mode on L7430 = 0.165 u7400 pin 6. 0.07V pin 12. 5v pin 16. 3v pin 17. 0.35v
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    820-00165 No Power

    no corrosion, Q8150 and U1950 replaced, measures L7130. 8.59V L7520. 5.1V L7560. 3.3V L7430. 0.11V L7630. 1.05V L7310. 0V L7320. 0V ALL_SYS_PWRGGD 0.6V what about U3900 and U2800 a little hot with thermal cam
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    820-00165 No Power

    hi guys this time i have this board with no power, some corrosion around ISL and U7400 area, after clean the pcb and replace isl i got green/orange light on charger but no fan spin some measures PPBUS_G3H 8.60v PP3V42_G3H. 3.4V PP5V_S5 5V PP3V3_S5. 3.3V PP5V_S4RS3. 5V with...
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    820-00840 dont power on 20V on charger

    please close this post, bad isl this time
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    820-00840 dont power on 20V on charger

    diode mode PPBUS_G3h 0.459 PP3V3_G3H. 0.377 no short on big coils again with another 61w charger got 20v 0.01a
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    820-00840 dont power on 20V on charger

    Both ports and 4 ways same issue, when you say secondary supplies do you mean s3,s4,s0?
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    820-00840 dont power on 20V on charger

    ok sorry, well whit 87w charger i got 20v and 0a but with 61w charger F3010 shows 5v 0v and 5V again
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