bradinboise
Member
Hello all,
Does anybody know in what order should I check power rails as far as importance. Example, I do not have PPBUS_G3H. Should I just stop there and chase that one down first on this board, or is there another rail I must chase down first then chase down PPBUS_G3H.
On older boards, if I did not have the above rail, all other rails were irrelevant until I figured that out first. But while I'm reading other questions on this board I'm confused about what powers need to be present 1st - 2nd- 3rd etc. in order to get PPBUS_G3H and etc. Just looking for some kind of flow chart procedure if possible.
I have voltage right now on my usb meter of 5.14v.
I do not have PP3V3_G3H_RTC at either CD3215 chips but do have PP3V3_UPC_XB_LDO 3.3v at both same chips.
And on a side note, are there any specific rails NOT to inject voltage on in order to test?
Thanks again.
Does anybody know in what order should I check power rails as far as importance. Example, I do not have PPBUS_G3H. Should I just stop there and chase that one down first on this board, or is there another rail I must chase down first then chase down PPBUS_G3H.
On older boards, if I did not have the above rail, all other rails were irrelevant until I figured that out first. But while I'm reading other questions on this board I'm confused about what powers need to be present 1st - 2nd- 3rd etc. in order to get PPBUS_G3H and etc. Just looking for some kind of flow chart procedure if possible.
I have voltage right now on my usb meter of 5.14v.
I do not have PP3V3_G3H_RTC at either CD3215 chips but do have PP3V3_UPC_XB_LDO 3.3v at both same chips.
And on a side note, are there any specific rails NOT to inject voltage on in order to test?
Thanks again.