Search results

liquid damaged board. has other repair shop work on it. i have no pp3v3s0 but i have 3.34v on pin 1 of c7830. 0 on pin 2. cannot seem to figure out what is holding that down or not letting it turn on. i did jump pin 1 to pin 2 of c7830 and i got 2.53v on all of the pp3v3S0 lines if that helps...

I have 5v present with hdd plugged in. and i have 3v42

Im not sure if its. i have 5v present and i tried replacing q4690 with no change. also i noticed wile testing, that one usb port i have to wiggle the plug for it to connect. should i replace the entire usb plug on that one? the other one i plug in my mouse and it turns on just fine. still not...

Its my test drive uses a single usb and running a samsung evo. i use it on every macbook that comes in and i have never seen this before without the usb not working for other devices. when the mouse worked i was actually amazed and i tested the sata to usb device many times and the lights will...

Got a 2850 board, USB works for mouse and other devices but will not power external disk drive. its like this for both usb inputs, works for mouse but will not power on the external ssd. tested the external ssd and everything works on other rigs. any ideas? Thanks

Okay after a little testing, i noticed if i don't touch the macbook as it boots up the backlight will not turn off, but if i bump the macbook or touch t4001 or anywhere on the board the backlight turns off. After the backlight turns off i get 0v on both BKL_PWM and BKLT_EN. if i tap the...

Yeah i meant to post back earlier, i swapped out the l4610 right after posting. this was the problem. thanks for dropping in smiba.

Got in a 2936 customer liquid damaged the rig, brought it back from dead. one of the usb ports is not working, L4615 was fried, when i have usb device plugged in L4610 has 3.42v on pin 2 and 0.10v on pin 3. could this be l4610 not working properly? Thanks in advance

Got in a 2850 board that powers on fine back light is good and about halfway through the start up the screens backlight turns off, i think its about where the system is starting to load into the menu and the screen normally blanks for a second and then boot in, but this one just turns off the...

Thanks for letting me know duke, this was sent in by a customer in Sweden so i will make sure to let him know. In fact everything on the board was fried, wifi and ssd and keyboard also. He did not send it in with the battery, do you think the battery could be bad as well now?

ended up being r7005

got a 820-3208 runs on the battery but is pulsing on smc_adapter_en and ppbus_g3h with power supply only no battery connected. I have already tried swapping out the smc with the same results. system fan flickers as the voltage goes from 0-2-3v and cycles over. battery connected and it turns...

3.3v on both c1802 and 03. y2605 had some rainbow looks on the top of it so i replaced that the clock chip and a few others near by that had crap on them just for good measures, still same problem. I have not cleaned the board yet been holding out until looked into everything possible first...

G3h = 12.59v pbus s5 = 12.59v pbus s0 = 0v 3v3_s5 = 3.32v liquid spill looks like it got a little everywhere, no obvious corrosion or fried parts. found a little corrosion on insn_hs_other_p but it has 12.5v.

Keyboard broken? testing with a known working keyboard or external keyboard?

If you hold down options during boot up, does it bring up the menu?

Got in 3115 board. green light and charges but no power or fan spin. found no voltage on pm_slp_s3_l .09v on pp3v3_s0 no power on pp3v3_s0 enable pm_slp_s3_r_l = 0v p3v3s3_en = 0v p3v3s0_en_L = 3.31v p3v4_s0_ss = 3.34v Could this be U1800 or smc?

customers 3209 had liquid damage. 3v3 on the jtag was corroded pulled it and put new solder. board came to life and is working but running a bit sluggish, dio gave me error code 4sns/1/c0000008. phc is getting really hot but cpu is fine. any ideas? Tried replacing u5510 sensor but no change.

Just got in some donor boards to pull smc from. Replaced the smc powers on with the same issue. No power with out battery, fan turns on with battery connected w/ & w/out the charger connected. except that i have no video now, Guessing because the smc i replaced it with has something wrong with...

Hey got in a liquid damaged 820-2850 went through replaced everything that looked damaged. Quite a bit was bad. now i have video but F4260 is getting super hot and even started melting the chip a little. What would be causing this? Also i have no power on both usb's. I can fix the usb issue...