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it-solve's latest activity
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it-solve reacted to 2informaticos's post in the thread A1989 820-00850 - Hole on UB300, after replacement, UB400 loops 5V 0.27A with
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Compare diode mode readings between J3300 and JB500. S-UEM2 helps a lot in such test... -
it-solve replied to the thread A1989 820-00850 - Hole on UB300, after replacement, UB400 loops 5V 0.27A.Swapped UB090 from working board, still not transitioning to 20 without battery. Stuck at 5V 0.27A and cycles to 0A on the right ports...
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it-solve replied to the thread A1989 820-00850 - Hole on UB300, after replacement, UB400 loops 5V 0.27A.OK I managed to charge the battery with donor board and now it turned on. This with original ROm However it is not charging on any...
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it-solve replied to the thread A1989 820-00850 - Hole on UB300, after replacement, UB400 loops 5V 0.27A.I swapped Rom from same donor board i know is working. Would that ROM need any work on? both side CD32s now stay at 5V 0.06A, t2 warms...
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it-solve posted the thread A1989 820-00850 - Hole on UB300, after replacement, UB400 loops 5V 0.27A in Macbook Logic Board Repair Questions.T2 gets warm, PMU voltages are present Replaced both UB3/400 multiple times. Device is visible in DFU via U31/3200. Does it seems...
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it-solve replied to the thread A2179 820-01958 Not turning on, 20V 0.06A - DFU Restore error 4013.Could it be NAND issue? Connected without pushing to DFU it comes as Recovery in Apple Configurator. But either ways is not completig...
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it-solve replied to the thread A2179 820-01958 Not turning on, 20V 0.06A - DFU Restore error 4013.YEah battery charged as it stopped pulling charging current, trackpad seems ok with no corrosiopn. tried about 20 times now, mainly...
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it-solve replied to the thread A2179 820-01958 Not turning on, 20V 0.06A - DFU Restore error 4013.Managed to push to DFu mode. System restore goes through Installing system and fails. Different progress on each attempt, once even...
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it-solve posted the thread A2179 820-01958 Not turning on, 20V 0.06A - DFU Restore error 4013 in Macbook Logic Board Repair Questions.Read around that it could be a SSD failure. Anyone come across this? Gets deceted in Recovery mode, Did Revive and Restore, same error...
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it-solve replied to the thread A1990 820-01041 - 5V/0.07A no SSD voltages, goes directly to DFU.Thanks, would you happen to know how to load this into the flexBV? Seems like it creates a blank odbdata file for each schematic.
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it-solve replied to the thread A1990 820-01041 - 5V/0.07A no SSD voltages, goes directly to DFU.Yes DFU Revive gives Error 9. I dont have a working A1990 on hand. Will compare to a faulty one I have.
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it-solve replied to the thread A1990 820-01041 - 5V/0.07A no SSD voltages, goes directly to DFU.With a spare new battery (Im almost certain its above 50% level) and bare board on bench, charger goes to 20V/0A. Also, tested with...
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it-solve reacted to 2informaticos's post in the thread First Post- A1502 820-3476-A no power with Like.
First of all, welcome to the forum! If you have a pure short (0 ohm) never inject 5V; even the power rail supports such voltage. 1-2V...
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it-solve posted the thread A1990 820-01041 - 5V/0.07A no SSD voltages, goes directly to DFU in Macbook Logic Board Repair Questions.No short, no liquid damage. Slight dust. Seems common issue with this model, but could not narrow it down. Pulling 5V/0.07A No signs...
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it-solve replied to the thread A2141 820-01700 - Blown U9580 with Short on PPBUS_G3H. 4Ohm resistance on PP2V5_NAND_SSD0 ?.Thought so. Thanks