8050
8050
D N/B Maintenance
D N/B Maintenance
101
No power
Connect
AC adaptor
or battery
Please replace
the faulty
AC adaptor or
Battery.
Power
OK?
Yes
No
Please try another known good battery
or AC adapter.
Yes
Is the
Notebook connected
to power (Either AC adaptor
or battery)?
NO
Board-level
Troubleshooting
Where
From Power Source
Problem(First use
AC to power it)
Check following parts and signals:
Parts: Signals:
ALWAYS
DVMAIN
ADEN#
BATT_DEAD
PF1
PL1
PL2
PD702
PQ701
Check following parts and signals:
Parts: Signals:
J703
PF702
PQ6
PQ704
PL704
PL705
BATT
AC
POWER
BATTERY
8.1 No Power
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
MiTac Secret
Confidential Document