hp 15-E019SX flickering charge indicator (white led)

[superdota2]

hp 15-E019SX flickering charge indicator (white led)
dar62cmb6a0

all coils has no short.
ec bios reflash
SIO kb3940 chip replace
PU5 BQ24738 replace

3.3v ok in power button.

already check +3VPCU all lines

PU9 LDO 3.3v ok
19v ok

any advice what to check

[mcplslg123]

Re: hp 15-E019SX flickering charge indicator (white led)

Check PR100 located near U1.Usually it goes bad. Check pg5 of schematic for IO Thrm Protect circuit. If you have trouble locating the component, use search in forum. Boardview is already posted in this forum.

[superdota2]

Re: hp 15-E019SX flickering charge indicator (white led)

Check PR100 located near U1.Usually it goes bad. Check pg5 of schematic for IO Thrm Protect circuit. If you have trouble locating the component, use search in forum. Boardview is already posted in this forum.

thank you. ill check it tomorrow.

[superdota2]

Re: hp 15-E019SX flickering charge indicator (white led)

Check PR100 located near U1.Usually it goes bad. Check pg5 of schematic for IO Thrm Protect circuit. If you have trouble locating the component, use search in forum. Boardview is already posted in this forum.

wow problem solve. pr100 is bad, how did you know that pr100 is bad when charge indicator is flickering.

[mcplslg123]

Re: hp 15-E019SX flickering charge indicator (white led)

Great you fixed it. How did i know-only one word "experience"

[superdota2]

Re: hp 15-E019SX flickering charge indicator (white led)

Great you fixed it. How did i know-only one word "experience"

thank you again.