Sharp UP-5900, Руководство по обслуживанию

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UP-5900VS DIAGNOSTICS SPECIFICATIONS
4 – 16
16) ERROR INFORMATION STORING AREA
1
Error information storing area for diagnostics
1 sector ~ 6 sector of 0 head of the last cylinder is used.
Used in the following format from the head of each sector.
(Error information format for every sector)
1 + 46 x 11 = 507 bytes is used in one sector.
3-17. FDD DIAGNOSTICS
This is a test program that checks the floppy disk drives.
(Do not execute this program after performing a D-RAM test.)
1) FDD CHECK
1
Description
A test file is opened on a floppy disk and data (256 bytes) of 00h -
FFh is written four times on the disk before read and verification are
performed.
2
Display
After making sure the screen looks like this, insert a formatted FD
(W/R-TEST disk) into the drive and press any key.
Note: W/R-TEST disk: Formatted FD (Turn off write-protection)
The screen looks like this during testing.
3
Error
When an error occurs, the following message appears on screen.
Note: An error message appears at the hatched area
Other than the above messages, some MS-DOS error messages
may be displayed.
4
Terminating testing
When the screen displays the following message, remove the FD
and press any key.
3-18. FAN & LCD ON/OFF DIAGNOSTICS
1) FAN & LCD ON/OFF CHECK
1
Checking content
The CPU, the fan, the exhaust fan and the LCD are turned ON/OFF.
When this menu is selected, the following display is shown.
When any key is pressed, the CPU fan and the exhaust fan are
stopped and the LCD and the backlight are turned off.
When any key is pressed under this state, or if there is no key input
for 10 sec, the display automatically returns to the main menu and
the test is terminated.
3-19. POWER HOLD DIAGNASTICS
1) POWER HOLD CHECK
1
Checking content
Two types of states such as power hold and power switch are dis-
played.
When pressing the space key, power hold is switched between ON
and OFF.
BIN BIN BIN BIN BIN BCD BCD BCD BCD BCD BCD
[1byte 0~46]
2nd sector - 6th sector are the same.
Counter
Error
code Cylinder
Head Sector Year Month Day Hour Minute Second
Last cylinder
Head of 0 head, 1 sector
(L) (H)
BIN
Please insert W/R-TEST disk to drive A:
Warning
Data in the disk A: will be destroyed.
FDD Write/Read & Compare Check
********** FDD ERROR !!! **********
**********
Drive not ready
Error message Description
Drive not ready No FD in drive
Verify error Write data is different from Read data
Write protect error Disk is write-protected.
General failure FD is not formatted or others
No space left on device No disk space available
Power Hold Diagnostics
Power Hold :<~>ON (or OFF)
Power Switch :<~>ON (or OFF)
Please out W/R-TEST disk from drive A:
FAN&LCD ON/OFF Diagnostics
HIT ANY KEY