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This was liquid damaged and been to another shop. as its been cleaned its hard to tell whats been damaged but looks like area around smc, bios and u7090.
I'm not sure if smc has been replaced or not as glue around it is gone.
board gets a fan movement and pulse on cpu vcore 1.7v.
820-3437. Was liquid damaged around u7200. pin 30 testpoint was corroded out. i replaced the chip and ran a wire to r7280. i now get fan spin for 15 seconds turns off then back on full speed. no led flashing on pen drive.
00165 it boots up and gets stuck on full progress bar.
tried with known good ssd and fresh os. os installs fine, but will not boot.
randomly will boot all the way but will be really slow inside 10.15.
no damage to the laptop nor any liquid.
I'm aware this is probably going to end up dead cpu, but customer wants data and i want to go through all options before I reflow cpu as last ditch effort to possibly get some data.
board is stuck on 5v
diode readings on
ppv3v3r3vo_AON - .02 (beeps)
3V3_G3H - .389
came in with no power and spot water damage and corrosion on u7100. replaced u7100 and the corroded resisotors and caps next it to it. now am getting fan spin but no chime. i tried with external monitor as well in smc bypass mode.
cpu-vcore - 1.8v
ppbus - 12.57v
cpu is getting warm.
i've watched paul daniels video about 3 times and i guess i really don't have the pacience for reballing. is there anyone in us that would be willing to reball about 10 smcs for me? of course i'd be willing to pay.
Board came in clean no liquid damage no power no orange light and no pp3v42
u7000 was getting hot, replaced it and now have pp3v42 but no orange light and no ppbus
820-3437 came in with liquid damage. pp3v42 was short and u7090 was corded. swapped it out and got orange light along with fan spin. thew it in the ultrasonic and now don't have orange light again. i tried changing u7100 but still no orange light. i checked diode mode on u7100 and no beeps...
board came in liquid damaged. ive replaced u3100/3200 because one had a hole in it. its now upvolting to 20v and with a battery connected its drawing over 2amps so i'm pretty sure its on. the issue i'm having is no video or backlight. ive tried with know good lcd. also i don't see anything...
820-2936 - no water damage.
both the usb ports don't work, but keyboard and trackpad works which is funny. I put in a usb stick. i'm getting 5v .275v and 3.1v on the pins. so its getting voltage, but not popping up in disk utility
board came in very clean. no water, or physical damage
ppbus is short to ground. i removed f7140 and found ppbus_g3h side is shorted and the filter was blown. I checked the cpu caps are all fine, cpu vcore is reading 22.7ohms so that checks out that cpu is good. I ran a freeze test and...