Read Sharp UP-X300 (serv.man45) Service Manual online
UP-X300V
DIagnostics Specifications
3 – 1
CHAPTER 3. DIAGNOSTICS SPECIFICATIONS
1. OUTLINE
This manual describes the operating procedures of the UP-X series
diagnostics specifications.
diagnostics specifications.
The applicable model to reference in this manual: Model Name: UP-X500U
Diagnostics may be executed using one of the following test media:
(1) USB-CD, (2) 1.44MB High Density FDD with external FDD unit, (3)
PCMCIA Type-II PC-Card
(1) USB-CD, (2) 1.44MB High Density FDD with external FDD unit, (3)
PCMCIA Type-II PC-Card
2. DIAGNOSTICS BOOT & TERMINATION
The procedures to boot and terminate the diagnostics are described below
with the assumption that the diagnostics are initiated from a USB-CD.
with the assumption that the diagnostics are initiated from a USB-CD.
2-1. With the AC power turned OFF, insert the Test
media into the USB slot.
2-2. Turn on the main power using the AC power
switch (LH-side).
2-3. The display shows the menu to select whether a
log file is created for use with the diag media or
not.
not.
[Do you take a LOG~ FILE on FD?]
[No Log
[No Log
0 Take a Log]
Select [No Log] or [Take a Log] with the cursor keys, and press
[ENTER] key to execute.
When [No Log] is executed: No log file is made.
[ENTER] key to execute.
When [No Log] is executed: No log file is made.
When [Take a Log] is executed:
A log file is created and stored on the diagnostic media.
The current state of the media (Read/Write or Read Only) is displayed on
the front for several seconds, and then the display shifts to the next step.
A log file is created and stored on the diagnostic media.
The current state of the media (Read/Write or Read Only) is displayed on
the front for several seconds, and then the display shifts to the next step.
2-4. THE DIAG MAIN MENU IS DISPLAYED.
2-5. Each individual test can be performed from the
Main Menu by using an AT-Keyboard.
(Refer to 3. KEY OPERATIONS.)
(Refer to 3. KEY OPERATIONS.)
2-6.
To Terminate Diagnostics, Press the [ESC] key to
return to the Main Menu followed by [F10] to return to
the prompt.
return to the Main Menu followed by [F10] to return to
the prompt.
2-7. Check that the C:\ prompt is displayed and then
remove the AC power to completely exit diagnostics
3. KEY OPERATIONS
The key operations for execution of the diag are described below.
4. INDIVIDUAL TEST ITEMS
(OUTLINE, TEST ITEMS, TEST CON
TENTS, ERROR CONTENTS)
TENTS, ERROR CONTENTS)
4-1. DRAM
4
-1-1. Outline
The DRAM test is performed.
The memory check program writes data of a certain pattern into the
DRAM, and reads data to perform a comparison check and parity check.
DRAM, and reads data to perform a comparison check and parity check.
The test memory area varies depending on the setup utility setting
(CMOS area setting). When an error occurs during test, the error infor-
mation is displayed on real time.
mation is displayed on real time.
4-1-2. Required Tools to be used
The above jigs must be installed or removed with the power OFF.
4-1-3. Test Item
The purposes of this test are as follows:
UP-X500 Serise Diagnostics
F1:Trouble Shooting F2:Product Check F3:Single P.W.B. Chec k
[Main Unit] UP-X500V UP-X500U UP-X300V UP-X300U
[Item]
*Information
*Information
*COM1/2
*LAN
*MCR
CURSOR:Move ENTER:Select F10:Diag End F1-F3:Diag Mode change
*VGA I/F LCD
*Line Display
*106 Keyboard
*Centro I/F(AT)
*Buzzer
*Centro I/F(AT)
*Buzzer
*Drawer
*RTC
*Floppy Disk
*Floppy Disk
*DRAM
*Hard Disk (std)
*PCMCIA
* Clerk
* Contactlrss Clerk
* PCP3
* Contactlrss Clerk
* PCP3
[F1]
: Trouble shooting
When the [F1] key is pressed on the main menu, the menu
is shifted to the trouble shooting (for service repair) menu.
Press the [ENTER] key to allow selection of [Item] (individ-
ual test item).
is shifted to the trouble shooting (for service repair) menu.
Press the [ENTER] key to allow selection of [Item] (individ-
ual test item).
[F10]
: The display should return to the MS-DOS prompt.
With no [Item] (individual test item) selected on the main menu,
when [F10] key is pressed, the diag program is terminated and
the display returns to the MS-DOS prompt.
when [F10] key is pressed, the diag program is terminated and
the display returns to the MS-DOS prompt.
[ESC]
: Used to terminate, reset, and cancel selection of each individual
test item. Pressing [ESC] key more times than necessary does
not cause a problem, and it does not return to the previous
stage from the main menu.
When [F7] key is pressed 7 times continuously on the main
menu. the test media is switched to Read/Write media s a Read
Only media. This function, however, is disabled if [No Log] is
selected when booting the diag.
not cause a problem, and it does not return to the previous
stage from the main menu.
When [F7] key is pressed 7 times continuously on the main
menu. the test media is switched to Read/Write media s a Read
Only media. This function, however, is disabled if [No Log] is
selected when booting the diag.
[Cursor] : Used to shift to a test item and input position.
[Space]
: Used to set selection. Also used to start/stop read/write test of
the disk.
[Enter]
: Used to execute the selected item and to determine an input
item.
[BS]
: Back space
Other
: Alphanumeric input 1~0, A~F
• UP-X500 series main unit diag execution media x 1
• Expansion memory unit (DIMM)
x 1
• Write/Read-Verify Test
• Error Table
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