Hi! I have a liquid damage Air that turns on occasionally.
The damage was minor and in these areas:
JTAG - Removed.
U1900 - Replaced and traces checked.
U7501- Replaced and traces checked.
U7701 - Cleaned
U3220 - Cleaned
U4430 - Replaced
Here are voltages
PPBUS - 8.5
PP3V42 - 3.42V
PPRTC - 3.3
PP5v_s5 - 5V
PP3.3v_S5 - 3.3
PP5V_s4 - 0
PP3V3_s4 - 0
PPVCC_S0_CPU - Fluctuates between .57V and .85V when fan spins.
All_SYS_PWRGD - 2.57V When fan spins.
Obviously missing PM_SLP_S4_L
Any direction will be greatly appreciated.
Have a good one!
The damage was minor and in these areas:
JTAG - Removed.
U1900 - Replaced and traces checked.
U7501- Replaced and traces checked.
U7701 - Cleaned
U3220 - Cleaned
U4430 - Replaced
Here are voltages
PPBUS - 8.5
PP3V42 - 3.42V
PPRTC - 3.3
PP5v_s5 - 5V
PP3.3v_S5 - 3.3
PP5V_s4 - 0
PP3V3_s4 - 0
PPVCC_S0_CPU - Fluctuates between .57V and .85V when fan spins.
All_SYS_PWRGD - 2.57V When fan spins.
Obviously missing PM_SLP_S4_L
Any direction will be greatly appreciated.
Have a good one!