Hello Guys my first screen repair HP W2228h not turning on I tested the power board
ILPI-029 rev.A
Power board small noise coming out when I connect the driver board mainboard the noise become louder
no broken caps need help
14 pin connector
Pin 1 0V
Pin 2 0V
Pin 3 0.66V
Pin 4 1.3V
pin 5 4.78V
pin 6 GND
pin 7 0V
pin 8 0V no/off
pin 9 0V
pin 10GND
pin 11GND
pin 12 5.30V
pin 13 5.30V
pin 14 5.30V
U300
LD1117A
L33AUC
All voltages 0V
U102
Pin 1 .0V
Pin 2 1.8V
Pin 3 3.31V
U101
Pin 1 .0V
Pin 2 3.31V
ILPI-029 rev.A
Power board small noise coming out when I connect the driver board mainboard the noise become louder
no broken caps need help
14 pin connector
Pin 1 0V
Pin 2 0V
Pin 3 0.66V
Pin 4 1.3V
pin 5 4.78V
pin 6 GND
pin 7 0V
pin 8 0V no/off
pin 9 0V
pin 10GND
pin 11GND
pin 12 5.30V
pin 13 5.30V
pin 14 5.30V
U300
LD1117A
L33AUC
All voltages 0V
U102
Pin 1 .0V
Pin 2 1.8V
Pin 3 3.31V
U101
Pin 1 .0V
Pin 2 3.31V