Service manual

107
8258I N/B Maintenance
8258I 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
CHARGING BATT
BAT_CLK BAT_T
BAT_DATA BAT_V
LEARNING BAT_C
BAT_TEMP BAT_D
BAT_VOLT
PJ501
PQ7
PQ8
PQ501
PQ502
PD4
PU2
PQ503
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:
AKPJ501 AKPQ501
AKPD502 AKPQ502
AKPL501 AKPL502
AKPD501 PD5
AKPU501 PL1
PL2 PU505
PU506 PU508
PQ516 PQ517
ADPIN
+PWR_VDDIN
DVMAIN
-LEARNING
I_LIMIT
ADEN#
+CPU_CORE
+VDD3S
Signals:
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