Originally, short on PP3V42_G3H with corrosion on C5002, C5007 and C5008
These were replaced.
Short gone.
Green light on charger, fan spin. No image.
PRAM reset. Nochange.
PPBUS_G3H: 8.58V
L7310: 1.80
L7320: 1.80V
L7430: 1.20
L7560: 3.36
L7520: 5.16
L7130: 8.58
L3095:
PIN1: 0V
PIN2: 0V
C3080:
1: 8.58
2: 8.19
R3080: 465 Ohms
L7701:
1:0V
No short by ohm mesurement on L7701
F7700 Fuse is good
Q7706
4:8.58
3: 8.32
1: 0V and no short
Q7707
EDP_BKLT_EN: 0V
BKLT_PLT_RST_L: 3.2V
Replace U7701?. NO change
USB port lights up a USB hub.
These were replaced.
Short gone.
Green light on charger, fan spin. No image.
PRAM reset. Nochange.
PPBUS_G3H: 8.58V
L7310: 1.80
L7320: 1.80V
L7430: 1.20
L7560: 3.36
L7520: 5.16
L7130: 8.58
L3095:
PIN1: 0V
PIN2: 0V
C3080:
1: 8.58
2: 8.19
R3080: 465 Ohms
L7701:
1:0V
No short by ohm mesurement on L7701
F7700 Fuse is good
Q7706
4:8.58
3: 8.32
1: 0V and no short
Q7707
EDP_BKLT_EN: 0V
BKLT_PLT_RST_L: 3.2V
Replace U7701?. NO change
USB port lights up a USB hub.
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