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There is no R5116 resistor. There are pads tho. and Boardview R5116 pin 1 to Ground will turn the laptop on/off.. No corrosion around U4850 or U5110

How do I test with R5115/16? or do you mean test the resistors themselves? Also, I don't have R5115 on this board. Its not missing, it just doesn't exist at all. no pads for it either.

So I didn't realize this, but its developed a new issue.. It will only turn on if i disconnect the battery and charger. Hit the power button. Then reconnect the charger... Having the battery hooked up doesn't make a difference. It doesn't appear the power button is doing much but draining...

I replaced the chip with a brand new one. System has fan spin. Reconnected display and keyboard, SSD, Trackpad and so on, and System is Running..

I have an A1708 which had a busted screen.. I had another LCD screen with bad backlight... I removed the broken screen and I'm looking for a somewhere to buy a few parts.. Here's what I would like to replace, but "could" live with what's there if i Must.. -LED light diffuser. (The thin piece of...

I've ordered another. I'll try changing it out. thx

u7501 PIN 22 - 11.42V

U7501- pins (im getting different number now, then when i first posted... 12- 3.3 13- 1.99 21- 3.3 22- 11.35 23- 12.5 29- 5

what does the /60 mean?

L7560 = .40V

SMC_ADAPTER_EN = 1.26V PM_DSW_PWRGD =3.3V PCH_DSWVRMEN = 3.3V

I think i found it.. Please let me know if this sounds right.. U7501 is bad.. 3v3. going in on EN pin 21.. Going out on the follwoing below only has 0.4v Pin 18 P3V3S5_CSP2 Pin17 P3V3S5_CSN2 0.1v on : pin 16 2v on pin 15 And so on.... Does it sound like i'm in the right spot, or barking...

I think this is what you're asking for, based on the How To guide. RTC_RESET_L = 3.3v PCH_SRTC_RST_L = 3.3 PCH_INTRUDER_L =3.3 PCH_INTVRMEN =3.3

OK. I, so I'm confused.... I don't have fan spin regardless. That would be the board powering on. I Thought with only an 85w charger this board would get fan spin when operating correctly? I'm lost on what you're trying to tell me to do with the battery... I can't really test the board if its...

So I've tested some rails, and read through the How To guide.. (Do i really need a jumper wire from SMC_ONOFF_L, to gnd to try and turn the system on while its outside the case? It makes sense you'd need a power switch, but for some reason I don't think ive ever seen Louis use such a setup to...

I know the "always present" isn't a signal or specific test point for any one thing, but I've seen in other schematics where there is a section that actually says "always present".... I wasn't sure if the schematic i was using just didn't have it labeled, called it something different, or just...

Like I said, I have a Magsafe2 4.25amp APPLE brand charger (85w) and it still does that same. I'll check on the other stuff when I get home. As for the "always present" part in the schematic, I just don't see that anywhere... Im attaching a link for the schematic i'm using, if you could please...

a1398- Was working, and would randomly shutoff. But I was able to turn it back on. Went on like this for quite a while. At 1st, I thought it was a software issue as it seemed to happen more when using Google Chrome, but one day it happened and it just wouldn't turn back on... - No liquid...