pws6074
New member
I get this board and i wondering if you guys can help me out.
The board is 80% fine, however the liquid hit the J8300 and close to that.
The PIN 1 on J8300 looks like have short, so i replaced also the cable.
Around U7700 is pretty clean, don't have corrosion.
* I get external video
Measurements:
Q7700
- Pin 1 2 5 6 = 0v
- Pin 3 4 = 12v
L8300
- Pin 1 = 0
- Pin 2 = 5V for 10 Seconds after 0v
U7700
Pin 1 2 3 4 5 = 0.4V
Pin 6 = 5v
Pin 7 = 0v
Pin 8 = 5v
Pin 9 = 12v
Pin 10 = 12v
Pin 11 = 12v
Pin 12 = 0v
Pin 13 = 0.2v
Pin 14 = 0.2v
Pin 15 = 5v
pin 16 = 5v
Pin 17 = 0
Pin = 5V
Pin 19 20 21 22 23 24 = 0V
SMC LID = 3.4V
EDP_PANEL_PWR - 3.4 after 10 sec goes to 0v
PPVIN_S0SW_LCDBKLT - 0V
PPVOUT_SO_LCDBKLT = 0V
Diodo Mode Pin 1 on J8300 - 1.1v
The board is 80% fine, however the liquid hit the J8300 and close to that.
The PIN 1 on J8300 looks like have short, so i replaced also the cable.
Around U7700 is pretty clean, don't have corrosion.
* I get external video
Measurements:
Q7700
- Pin 1 2 5 6 = 0v
- Pin 3 4 = 12v
L8300
- Pin 1 = 0
- Pin 2 = 5V for 10 Seconds after 0v
U7700
Pin 1 2 3 4 5 = 0.4V
Pin 6 = 5v
Pin 7 = 0v
Pin 8 = 5v
Pin 9 = 12v
Pin 10 = 12v
Pin 11 = 12v
Pin 12 = 0v
Pin 13 = 0.2v
Pin 14 = 0.2v
Pin 15 = 5v
pin 16 = 5v
Pin 17 = 0
Pin = 5V
Pin 19 20 21 22 23 24 = 0V
SMC LID = 3.4V
EDP_PANEL_PWR - 3.4 after 10 sec goes to 0v
PPVIN_S0SW_LCDBKLT - 0V
PPVOUT_SO_LCDBKLT = 0V
Diodo Mode Pin 1 on J8300 - 1.1v