8170 N/B MAINTENANCE

8.1 No Power

When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.

Battery can not Charge

Is the

notebook connected No to power (AC adaptor)?

Yes

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.

Connect AC adaptor.

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]

 

ALWAYS

ADINP

PQ1 PR5

PR9

PR514

 

DVMAIN

ADINP_1

PR513 JL2

JL3

PD[2:6]

 

 

ADINP_2

LEARNING

PJ1 PJ2

J6 U508

 

 

 

 

 

 

 

 

 

 

Power

Yes

 

 

 

 

 

 

 

 

 

 

 

 

Correct it.

 

 

 

 

 

 

 

 

OK?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Try another known good D/D Board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Board-level

 

 

 

 

 

 

 

 

 

 

 

 

Troubleshooting

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

 

Replace the

 

 

 

 

 

 

 

OK?

 

 

 

 

faulty D/D Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Motherboard

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the following parts for cold solder or one of the following parts on the mother-boardmay 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

 

 

+5VA

SW_+5VA

J28

PL[9:11]

PF1 PF2

 

DBATT

ADINP

PU10

 

PU11

PR554

PR559

 

 

 

-ADEN

BATT_DEAD

PQ[508:510]

U508 Q510

 

 

DVMAIN

PU513

PR567

PR572

 

PR564

PR566

 

 

 

 

 

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