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I Normally use R5115/16 after U showed me these but sometimes when trying to measure you have to be a bit of an octopus! having a few old keyboards with working power button make it a bit easier sometimes, Still seems to power on, Just no bong no display,. Measured coils L2920 = 1.0V L7750...

Removed C6990 and wow! Not sure if it was the corrosion or something had burnt out here but the board was a complete mess underneath layers of the PCB corroded and traces destroyed, Guy dosent want to pay to have this repaired so ive thrown it onto the donor pile!,. Might have a go at...

Connecting an oldf keyboard to trigger SMC_ONOFF_L,. I do get drop pulse on PM_PWRBTN_L and fan starts to spin PM_BATLOW_L is steady is a steady 3.30v

Still onl;y .205v ob either side of F6905 and fuse is good, It feels like a short is bringing down the volatge as soon as I connect magsafe, As the wife is about to drag me out the door to go and watch bloody disney on ice I havent had time to change Q7080 yet ill do that later butjust having...

Using original apple 45w magsafe 2, 3V3_S5/SUS both at 3.31v

tried fake charger, same deal. R7080 = 50k R70801= 35.2k R7085 = .230mh R7086 =145k

Do you get VCORE and PLT_RESET_L? = No ALL_SYS_PWRGD. = No again., With the board on the bench to test voltages I get green then orange light on charger but no fan spin., But if I put the board back in the case and connect the battery I do get fan spin! and all main power rails seem to be...

Having a right shit night of it tonight! Have this mac air, it was a trade in from a customer had a damaged screen, I replaced the screen cleaned it installed monterey and had it up for sale for weeks. Got a call from someone today that wanted it, so took it from the shelf to give it a clean...

Drink spill, Wasnt to bad inside, Bit of muck around L8920 / Q8950 area so cleaned that up with IPA ,. Have no power no lights at all on magsafe, and only reading .205v on F6905. So not getting much of any reading on anything else,. its like no power is getting to the board, Using known good...

Did the SMC firmware update, It made no difference, Guy came to pick this up so had to give it back with the old battery put back in,.

I've tried on both catalina and big sur, same problem, it had to be one of these os on this machine. Any way around this?

All 11 new batteries with the same issue though? Seems crazy that not one of these 11 new batteries will work in this machine, and they was purchased from 4 different vendors. Any recommendations as to where I can buy a new battery for this mac that will actually work?

https://ibb.co/nnSYs6t Image was too large to insert, Left side is working fine with old battery, Right side is laggy as fuck with new battery. ???

Also just read this https://www.ifixit.com/Answers/View/646298/MacBook+CPU+constantly+throttled+to+0.8GHZ+after+iFixit+battery+swap Scroll down and read where he says, Final update found a solution. Looks like he's run a jumper wire to ground. Is this something I could try with this mac and if...

SO, after not finding anything wrong on the board and spotting that it shows up in system report I suspected the AMD chip, I plug in medusa disable AMD and remove R8911 boot and boom, Webcam works! WHoop" BUT I still cant get this mac to run properly of any of these batteries other than the...

Got this in a couple of weeks back for a webcam problem and battery replacement, First off battery problem, I replace it with a new ( Chinese ) batt and get the same problem you helped me diagnose on a different board a while back, when running from new battery the Mac goes super slow and...

Just spotted someone selling a bottom case with track pad and keyboard quite cheap on ebay for this mac, £20 - Its listed as fully working but it has the space bar missing, I messaged the guy and he said he's an experienced IT guy and these space bars are impossible to change, I find this hard...

found it, Under a sticker!

Tested again both with internal hdd and my USB bootabel os, same deal keyboard works in login screen not at all when os loads, ALS seems fine, screen dims and brightens when moving a flashlight into webcam, Keyboards lights are enabled and turned up max, no kb back light working at all...

History on this, It came to me in April this year for a new battery, Got a call from them yesterday saying the battery had failed and the keyboard wasn't working due to the battery swelling, I get the Air today and open it up the battery looks perfect no swelling at all, but not seen in OS...