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    820-2879 magsafe light no power ( q7085 voltage fluctuate )

    Anybody have the same issue? I have 3 boards with the same issue.
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    820-2879 magsafe light no power ( q7085 voltage fluctuate )

    Hi, I did a reflow and I get the same problem :( Don't know what to do.
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    Microscope camera ocs-hdmi-nh1080 vs ocs-hdmi-1080pu

    Hi, Anybody know which one is the best between those 2 models?OCS-HDMI-NH1080 VS OCS-HDMI-1080PU. Somebody told me the NH1080 should be better for soldering because of reflection and 1080PU is better for MEDICAL use. Is anybody have those camera? Any opinion? Is it around the same camera? I...
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    820-2879 magsafe light no power ( q7085 voltage fluctuate )

    Hi, Sorry Louis. Thank you for answer. There is NO CHIME. Only fan spinning. MCP CORE: 1V CPU CORE: 1V
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    820-2879 magsafe light no power ( q7085 voltage fluctuate )

    When I mesure on the 12V rail i get 3.4V then 12V then 3.4v ....
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    820-2879 magsafe light no power ( q7085 voltage fluctuate )

    With a battery I am getting orange light. Battery is charging and the computer will try to start but after 3 try the fan will spin to maximum and there is no video.
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    820-2879 magsafe light no power ( q7085 voltage fluctuate )

    Hi Louis, We tried with the bench power supply and we have the same exact problem. The resistance between 27/28 is 21ohm and resistance between 17/18 is 3.2ohm. Any other idea?
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    820-2879 magsafe light no power ( q7085 voltage fluctuate )

    The voltage from the Q7085 ( PPDCIN_G3H-INRUSH ) is fluctuating from 0 to 18.5V. The 12.6V RAIL also go to 0V to 12.6V every second. I replaced the U7000, SMC, Q7080, Q7085. I also check all resistances near of U7000 and everything is good. The magsafe light is green but no power. There is no...
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