Prestigio CAVALIERE 141 Technical & Service Manual page 102

Prestigio Cavaliere 141
8.2 Battery Can not Be Charged
Symptom:
When the battery is installed but the battery status indicate LED display abnormal.
Battery can not Charge
Is the
Notebook connected
to power (AC adaptor)?
Yes
1. Make sure that the battery is good.
2. Make sure that the battery is installed properly.
Battery charge
OK?
No
No
Replace
Motherboard
No
Connect
AC adaptor.
Yes
Correct it.
Check the following parts for cold solder or one of the following parts
on the mother-board and charge BD 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
Charge BD
PU2
PD10
PU10
PL5
PQ1
PF3
PF1
PQ4
PD3
PQ6
PD4
PU8
PQ3
PD8
PQ2
101
Technical Service Manual
Board- Board - level level
Troubleshooting Troubleshooting
SIGNAL
M/B Charge BD M/B
Charge BD BATT CHARGING
D501 BAT_C H8_VDDA
R670 BAT_D BAT_C
R662 CHARGING BAT_D
U13 LI_OVP
J3 ADINP
LEARNING
I_CTR
BAT_T
BAT_V