HP 13 x360 brak reakcji na włącznik

Płyta: FAUCHON-BDW MB 14259-2 448.04508.0021
Laptop po zalaniu, wymienione zostało kbc przetwornica procesora oraz przetwornica główna 3/5.
Brak zwarć na płycie bios przeprogramowany.
Obecne napięcia 3v 5v oraz LDO3 oraz LDO5, brak zwarć na tych liniach.
Płyta nie reaguje na przycisk włącznika, napięcie na włączniku spada oraz na kbc.


Proszę o podpowiedź bo nie mam już pomysłu co jest nie tak.
Płyta po podłączaniu pobiera prą 0.015A(brak reakcji na włącznik).

Measure the voltages to ground on pins 6, 14, 16, 17, 37, 65, 67, 70, 91, 101, 103, 104, 107, 108, 127 of KBC chip.

Measure the voltages to ground on pins 102, 114 of KBC chip in the following cases:
a) Power button released.
b) Power button pressed.

Thanks for your interest in my problem.

KBC:
6-0.15v
14-0v
16-3.28v
17-2.91v
37-3.29v
65-0.63v
67-3.3v
70-0v
91-3.29v
101-3.28v
103-0v
104-0v
107-0v
108-3.3v
127-3.25v

Power button released:
112-0v
114-3.3v
Power button pressed:
112-0v
114-0v

ktosik ha scritto:Power button released:
112-0v
Power button pressed:
112-0v

I requested the measurements on pin 102, not 112.

Also measure the voltage to ground on pin 110 of KBC chip and on pin 7 of chip U9603.

Sorry my bad:
Power button released:
102-3.39v
114-3.3v
Power button pressed:
102-0v
114-0v

110-0v

U9603
7-0.05v

Measure the voltages to ground on pins 1, 5, 6, 9, 17, 20 of chip U9603.

matic ha scritto:Measure the voltages to ground on pins 1, 5, 6, 9, 17, 20 of chip U9603.

1-1.39v
5-1.49v
6-3.26v
9-8.55v
17-10.36v
20-3.3v

Measure the resistance to ground on pin 7 of chip U9603.

300ohm

EDIT:

Now i have 1kohm and it grows up

Reflash the KBC chip with programmer. Don't forget to save the old dump.

I dont have original flash kbc, but i have original dump with w25q64 and i found kbc dump and programming. But nothing changing i tried bios with forum and it's the same

Remeasure the voltage to ground on pin 7 of chip U9603.

U9603
7-0.05v

Try to solder the resistor 100kΩ/5% to the highlighted place (picture below) and remeasure the voltage to ground on pin 7 of chip U9603.