99
Prestigio Cavaliere 141
Technical Service Manual
Where
From Power Source
Problem(First use
AC to power it)
Check following parts and signals:
PARTS: SIGNAL:
Board-level
Troubleshooting
Replace
Motherboard
No power
Connect
AC adaptor
or battery
Replace the faulty
AC adaptor ,
charge BD or
Battery.
Power
OK?
No
Yes
No
No
Try another known good battery,charge BD
or AC adapter.
Yes
Yes
AC
Battery
Is the
Notebook connected
to power (Either AC adaptor
or battery)?
Check following parts and signals:
PARTS: SIGNAL:
ADINP
D/VMAIN
VDD5S
D/ADEN#
D/LEARNING
PWR_VDDIN
H8_AVREF
SW_VDD5
SW_VDD5#
D/VMAIN
D/BATT_V
D/BATT_T
D/BATT_DEAD
M/B
Charge BD
PJ501
PL3
PL4
PD5
PD6
PF2
PU10
PQ7~9
PQ13~16
PR30
PR23
PR44
PR45
U13
U15
Q26
D501
R670
F5
D8
Q21~23
M/B
Charge BD
PF1
PC2
PL1
PL2
PR5
PR4
PC1
PU10
U13
Q26
D501
R670
When the power button is pressed, nothing happens ,power indicator does not light up.
PR47
PR48
PR41
PR38
PQ12
PC52
PC50
PC60
8.1 No Power:
Содержание CAVALIERE 141
Страница 1: ...PRESTIGIO CAVALIERE 141 TECHNICAL SERVICE MANUAL...
Страница 141: ...w w w p r e s t i g i o c o m...