Search results

I got this board working. I replaced ISL6259 and also had to make jumpers between C4903 and C4908 but also a really long jumper between C4902 and C6999. Is there a physically shorter jumper I can make than that?

ACIN 3.9v Resistance to GND BC_ACOK R5087 = 480k ohm, 0.28v

No - sorry, I missed that in your original question.

Magsafe board(s) confirmed working. C7005 pin 1 16.3v, pin 2 0v How do I check if PP3V42 present on AC only? I checked R7012 pin 1 and it gave 3.4v with just charger, just battery and both battery and charger plugged in - is that what you mean?

Hi guys! I have a motherboard which has apparently been to another repair shop but they couldn't do anything with it. No charging light is the issue. Works fine on battery though. CHGR_CSO_P, CHGR_CSI_P and CHGR_CSI_N are only showing 1.2v. CHGR_VCOMP and CHGR_ICOMP 2.8v (is this right?)...

Swapped out R7005 and all working perfectly now! Thank you so much guys, I greatly appreciate your help.

D7005 17v on all 3 pins R7005 20.3 ohms and approximately 1.5v that drops rapidly to 0v on both pins

I have tried 4-5 different ISLs now, I've cleaned up the pads and re-tinned each time and I'm getting the same results - very frustrating! I'm getting a green light at least now but still pins 1, 15-21 and 26-28 are reporting bad values. I don't know if maybe I'm not doing it right or if the...

So I swapped the ISL out and got a green light but no orange. I was getting 0v on the bottom pins (15-21) so I tried re-positioning the ISL and then it went from bad to worse. I tried another ISL and same results. Here are current readings and pictures of the area: U7000 pin 1 15.6v pin 2...

2.9ohm! Ok, I'll swap out the ISL and see if that fixes it.

Thanks for your responses. There is continuity between D7005 pin 1 and R7010 pin 1.

Hi all, I am new to board level repair but working hard on the learning curve and would like to give many thanks to Louis for his videos. I bought an 820-2936-A board and had green + orange light with magsafe and battery plugged in. I then decided to write down some values of U7000 to cross...