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8170 N/B MAINTENANCE
Board-level
Troubleshooting
Replace
Motherboard
Battery can not Charge
Connect
AC adaptor.
Replace the
faulty D/D Board
No
Yes
No
Try another known good D/D Board.
Yes
Yes
Is the
notebook connected
to power (AC adaptor)?
No
1. Make sure that the battery is good.
2. Make sure that the battery is installed properly.
3. Check the D/D board is connected to M/B properly.
Correct it.
Power
OK?
Power
OK?
Board-level
Troubleshooting
Check the following parts for cold solder or one of the following
parts on the
D/D Board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time and
test after each replacement.8
Parts Signal
J5 PL502 PL503 PD[501:503]
PQ1 PR5 PR9 PR514
PR513 JL2 JL3 PD[2:6]
PJ1 PJ2 J6 U508
ALWAYS ADINP
DVMAIN ADINP_1
ADINP_2 LEARNING
Check the following parts for cold solder or one of the following
parts on the
mother-board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time and
test after each replacement.
Parts Signal
PU7 PQ2 PL8 PQ1
J28 PL[9:11] PF1 PF2
PU10 PU11 PR554 PR559
PQ[508:510] U508 Q510
PU513 PR567 PR572
PR564 PR566
+5VA SW_+5VA
DBATT ADINP
-ADEN BATT_DEAD
DVMAIN
8.1 No Power
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.