106
8066
8066
MP N/B Maintenance
MP N/B Maintenance
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
AC
Power
Battery
BATT
BAT_T
BAT_V
BAT_CLK
BAT_DATA
J504
J6
U510
Q524
Q13
PQ503
PQ504
PL502
Where from
power source problem
(first use AC to
power it)?
Check following parts and signals:
Check following parts and signals:
Parts: Signals:
No
Board-level
Troubleshooting
Replace
Motherboard
No Power
Try another known good
battery or AC adapter.
Is the
notebook connected
to power (either AC adaptor
or battery)?
Connect AC adaptor
or battery.
No
Replace the faulty AC
adaptor or battery.
Power
OK?
Yes
Yes
8.1 No Power-1
Parts
U510
J507
U509
U508
Q514
Q508
Signals
ADINP
LEARNING
H8_I_LIMIT
SW_VDD3
Parts
J1
PL501
PL502
PQ504
PU1
J6
PQ501
Signals
+PWR_VDDIN
+DVMAIN
ADINP
LEARNING
I_LIMIT
Daughter Board
Main Board
MiTac Secret
Confidential Document