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ok i can force dfu mode...i've tried "reactive"...but it is always on "waiting for macbook"

It is not in dfu mode, i've tried to force it to go to dfu mode, but watching the amp meter, is like nothing happens... i've done a lot of try and sometimes it goes to 20v like in the video, but nothing happens. there must be something to check!!

Should I Connect it with or without battery to my MacBook Air? Because i have 5v without battery, 20 with battery

Data is EXTREMELY IMPORTANT! Mlb doesnt work without this board

so i don't understand: is it 100% game over? have you seen the video of the behaviour?

SPKRAMP_RESET_L is shorted :(

HELP! audio board+its flex+powerbtn flex water damaged (an hole on audio board)!!! chnged both, but i have 5v on both ports: https://files.fm/u/xj3dxcr99b here some measurements ppbus_g3h 12,29v PP3V3_G3H 3,29v pp3v3_upc_xa_ldo pp3v3_upc_xb_ldo 3,27v PP1v8_UPC_XB_LDOD PP1v8_UPC_XA_LDOA 1,8v...

ok...so i need some help. i'm at the point that macbook boot without problemi WITHOUT BATTERY macbook can't boot with battery and power supply: fan start spin, i hear charging sound than fan stop spin and nothing happen (i have 1,1a on power meter that drop to 0,6 as soon as fan stop spin)...

ok, changing u3200 now i can read usb drive. i have a lot of problem to use external monitor throug usb c adapter...but it is not a foundamental problem at the moment. i don't understand why i cant boot with battery only or power supply + battery...i will tra another battery flat...just in...

changed ..no luck!

no! should i change it or what?

i'm very very sad because i've deleted the post i've created some days ago...i will try to summarize as better as i can: 820-00840, completely dead not switching to 20v after changed 2 usb controller, 20v but no boot. all voltages present in loop. macbook like in boot loop. changed bios and...

found the problem: r7052 were 18 ohm and not 0. made a jumper and now orange light....and (i think) charging: it says "calculating charging time)

17/18 30 ohm, 27/28 20ohm

With battery and power supply https://www.dropbox.com/scl/fi/10h45tvors33l1e3gxcmx/Video-04-03-25-16-33-36.mov?rlkey=ai541obwywfs3hrx2crhaybby&st=ozyyywp0&dl=0

11,54v with battery 12,57/8,3 in loop with power supply only, 12,57 stable with battery and power supply i've discovered that i have orange light if i connect the machine and power off it scl/sda 0,500

Tried 2 differents battery, and 2 different power supply. Tried reset smc No luck Always green light Bolt symbol But system says not charging Any help? Thansk

no...it's seems to work without problem...previous technician sent me a video of the macbook booting: APPLE LOGO + BAR, then black screen, then apple without bar, then point arrow big and loading bar big, then reboot. in another video, it boots to desktop, after 2 minutes, fans a top speed and...

i have already done it some post before

no problem with cine bench....but i'm sure that there is an hardware problem...