Search results

well the only thing i am confused about is where 1v05_s5 is getting connected to power if U7740 is not attached, also c7740 and c7741, r1825 etc are also not attached those are the only places on the board 1v05_s5 shows up. and they are not suppose to be there i checked with other boards, but...

Well if that is the case i have the resistance listed PP1V05_S0 -.04v (.026v to gnd in diode mode) Yes CPUVCCIOS0_EN is 3.24v on pin 3 of the u7600

.342v to gnd in diode mode on pp1v5_s0. i do have 1.5v there also.

got in a 820-2850 with a good green light and orange with battery plugged in. it powers on to 1/4 fan spin. was liquid damaged. i took the power rails down, it only gave me voltage when the fan is spinning. it appear pp18v5_s3 and pp1v05_s5 are missing. PM_SLP_S3_L -3.32v PP0V75_S0_DDRVTT...

PPVIN_SW_T29BST -.34v PPBUS_S5_HS_COMPUTING_ISNS - 12.57v PPBUS_S5_HS_OTHER_ISNS -12.57v PPDCIN_G3H -18.87v PP3V42_G3H - 3.48v PPVRTC_G3H - 3.32v PP5V_S5 - 5.03v PP5V_SUS - 5.03v PP5V_S3 - 5.03v PP5V_S0 - 5.03v PP3V3_S5 - 3.32v PP3V3_SUS - 3.32v PP3V3_S4 - 3.32v PP3V3_S3 - 3.32v...

got in a 2936 with a green light and orange light with battery in, but no fan spin and wont power up. also the fan spins with a smc bypass. i will test all the rails to see if anything is missing, it is a heavily liquid damaged board.

i dont have the board the customer does, i told them to run diagnostics they said they did and that the cpu is running at full i'm not sure why they didn't tell me how diagnostics went.. this was a mail in repair so i will have to wait to get it back.

820-2850 just like the other ones i have on resent topic. was dropping voltage on ppbus, i fix the voltage drop by replacing the isl, i had solid voltage on ppbus and a solid voltage on r7020 i plugged in the battery to test if it would charge nothing charged, unplugged it tested my ppbus and...

activity monitor shows the cpu is running at full..

yes q7030 appeared to be fucked on this board, after i replaced it i got 12v on ppbus and 18v solid on r7020 but i was not getting anything on pin 4 of q7035 so i replaced the isl and then everything was gone again, that was last night so i'm going to mess with it after i get to some other...

fix a customers 00165 board they are complaining it is running slow and they say the fan starts off slow but slowly increase to full speed. what could cause it to run slow? i honestly didn't notice it running slow so not sure if its actually a problem or if the customer is just being fussy. i...

if i pull of r7020 the voltage does not drop on q7085 and pin 1 of the R7020 is only .9v so im thinking something on PPDCIN_G3H_CHGR?

i also have a good 12v on G3H when i have the battery connected but if i press the power button it drops to 2v ish. if battery and power supply are connected i get 12.4 to 4v back to 4v very fast on the G3H also on the r7020 im getting 2v when it trys to power on. when the power supply +...

measuring ppG3H res to gnd is .43 and im getting .46 on a working board. is this a semi short or is that still within range? G3H is also dropping at the same time.

eh okay i fixed the green light issue. for some reason r6990 was only giving out 2.3v, replaced it and the green lights back. no fan spin still and wile i was testing the r7020 voltage was solid and then started dropped down to 1v and i check the q7085 and it also drop all its power, still have...

I Agree. I didn't notice before but i'm actually getting 7.74v on pin 4 of the q7085 could this be a problem? i'm pretty sure i recall that pin being at 18v on other boards. i know everything there is on the g3h line so it should in no way affect the 3v42 circuit. 3v42 = .39 in diode mode, and...

okay i will read over that and try to get a better understanding of how everything is working there.

r5806 was missing. this board had a ton of parts knocked off it. its working now. as always thank you for the help duke! (solved)

it appears there is no pp3v42. i'm only getting 1.2v is there something that is likely to cause the power drain or could it be anything on the pp3v42 circuit? kinda weird how i replaced the fet and now pp3v42 is being drained.

okay thanks that makes sense. i did swap the isl out a few times with no luck but i'm always happy to try again haha. r7005 is 20.7 ohms i compared with another board and was getting 20.6 ohms so it seems good.