149
8175 N/B MAINTENANCE
8175 N/B MAINTENANCE
Battery can not Charge
Connect
AC adaptor.
No
Yes
No
Yes
Is the
notebook connected
to power (AC adaptor)?
1. Make sure that the battery is good.
2. Make sure that the battery is installed properly.
Correct it.
Battery charge
OK?
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.2
Parts Signal
J3 J6 PU510
PR548 PR552
PQ505 PQ506
PR546 U508
PU511 PR557
PR534 PR541
PD502 PC542
PU5 PU6
PD[4:6] PL[5:7]
PL[9:11] PF[1:2]
PQ507 J28
PR556 PU513
PQ510 PR570
PR569 PU512
PU9
ADINP
ADINP_1
ADINP_2
LI_OVP
CHANGING
DBTT
BAT_T
BAT_C
BAT_D
Board-level
Troubleshooting
Replace
Motherboard
8.2 Battery Can not Be Change
When the battery is installed but the battery status indicate LED display abnormal.