Panasonic Toughbook CF-52EKMBDAM, Service Manual

Page: 21 / 88

3. Test Item and Division of trouble
7-4
CPU /
SYSTEM
Place with possibili-
ty of breakdown
Stanard Test item
Enhan-
cing
Content of standard test Content of enhancing test
CPU /
Main board
CPU is shifted to protected mode, and
"Violation of the paging", "Operation of
the violation of a privileged instruction",
and DMA, INT, TIMER, and the
RTC operation are confirmed.
All memory space is tested in a special
memory access pattern based on
"R.S.T . technology".
RAM
Memory /
Mainboard
HDD /
Mainboard /
Cable /
Connector
HDD
The record area frequently accessed
with Microsoft Windows XP to test in
about two minutes regardless of
points of HDD is emphatically tested.
All record area is tested.
MODEM/
Mainboard
MODEM
It is confirmed not to find abnormality
in the AC97 modem controller.
Wireless LAN
board /
Connector /
Mainboard
Wireless
LAN
It is confirmed not to find abnormality
in the Wireless LAN modem controller.
Sound *5
It is confirmed not to find ab-
normalityin the wiring between
the USB controller and the
connector by confirming
the connection of the USB
equipment connected with the
USB connector.
It is confirmed not to find abnormality
in the USB controller.
USB
Mainboard /
Connector
*1
It is confirmed not to find ab-
normalityin the wiring between
the controller and the
connector by connecting to
HUB with LAN cable.
LAN
It is confirmed not to find abnormality
in the LAN controller.
Mainboard /
Connector
*2
PC Card
It is confirmed not to find abnormality
in the CardBus controller.
Mainboard
Mainboard
SD
It is confirmed not to find abnormality
in the SD controller.
It is confirmed not to find abnormality
in keyboard controller's keyboard inte-
rface.
The key is actually input, and
the operation is displayed on
the screen.
Keyboard
Mainboard /
Keyboard
*3
*4
*6
Touch Pad
The operation is actually dis-
played on the screen by ope-
rating the touch pad.
Whether keyboard controller's mouse
interface operates normally is confir-
med.
Mainboard /
Touch Pad
DVD-ROM
The drive is normally reset, and it is
accessible is confirmed.
Mainboard /
DVD Drive /
DVD Cable /
DVD Connector
It is confirmed to be able to
read media normally.