Matsushita CF-52AJYZDZM service manual Test Item and Division of trouble

3. Test Item and Division of trouble

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

7-4