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the machine is not detecting the screen. double check the screen connector. if ok then check for short to ground on all 30 pins( especially pin 1234).

-124 is a problem of not seeing the sensor, which is usually and sm bus data line issue. check for corrosion around web cam connector, trackpad connector, etc. you may need to check for continuity on these lines as well.

No Title switch to this type of sensor.

This sounds like a fun one. i would check to see if they all share a power rail that is screwed up. then check in asd efi the hardware profiler for the incorrect readings and report them here. could be that because of the amount of water damage multiple sensors have different issues.

not sure if its the same thing but i just had same issue with a different sensor. I was told there is an issue with something in the line of smbus_smc_1 or the rail coming off pins 9 and 10 of u5511. looks like the go to r5261and r5261. check for short to ground and continuity as well as...

change C9560 with normal sized capacitor. heres a link to louis video on it. https://www.youtube.com/watch?v=jG0WpGu-0Mk

Does it still fail asd? and when you run asd EFI version check check hardware profile and post what the reading is. could be an issue on the data line.

Change u5511, while u5511 is removed check for short to ground on pin8.

i would assume you've check the resistance of the resistors from R5510 R5511, R5512. what is the voltage on pins 7 and 8 of u5511?

Have you checked for a short to ground on u5511? was there liquid damage?

have you checked voltage on R9678? usually when i see this there isn't voltage here and a reflow/reball needs to be done on the mux. Not this doesn't always fix the issue, but then again I'm not reading and flashing chips yet. if thats even possible on the mux chip.

Ok we can mark this as SOLVED. it was in fact and issue with pin5 on of j3502 being smashed over right in the bend of the leg. Never seen this on the web cam connector before, i've seen it on the lcd connector due to the lock. Thanks again duke fawks and louis rossmann. SOLVED.

Good to know, and thanks a ton. i didn't notice any corrosion but i will do as instructed. I think these 820-3115 boards are gonna kill me. I've got a couple that do strange things and just have got to them yet.

thanks man i appreciated the help. is there something i missed in the readings, or is it just an experience thing?

took pictures of both the fail in asd efi and hardware profile.

are you mounting the asd.dmg 001 to the machine then restoring it to the flash drive?

i believe that it would put 5x on top of what ever zoom you are using in the microscope. Louis is the only one that i know for sure uses one. I haven't put one on my microscope due to me being the only one that does component level repair here.

i unplugged everything except keyboard, trackpad, and lcd connector. Same issue.

pin 2 of r5806 18.49v trackpad plugged in.

i got this 820-3115. The fans come on high after about 5 seconds. ran ASD EFI and it fails for Ts0P. the reading is showing -124c. i understand that this sensor is in the trackpad ribbon. I changed with known good trackpad and cable, but still the same issue. thought i would check j5800 for...