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4 - 13

Make sure that connecting cables, connectors and AC adapter are not loose or disconnected prior to testing.

1

Data cannot be sent or
received.

1-1

Is the Infrared Communica-
tion Port enabled in Setup?

YES

Go to No. 1-2

NO

Improper setting

2

Transmitted data becomes
corrupted.

2-1

Is the transmission distance
within 20-50 cm?

YES

Go to No. 2-2

NO

Use within
specified distance

2-2

Is the transmisson path
clear of obstacles and
interference?
Is the unit operated away
from TV sets, video, wireles
headphones, incandescent
lamps or other electronic
equipment?
Is the unit operated away
from direct sunlight?

YES

Main PCB

IC5

IC21

NO

Change operating
environment

1-2

Is the same transmission
protocol set for both the
sending and receiving units?

YES

Go to No. 1-3

NO

Improper setting

5 - 1

(1) Test Computer ...................................................................................................................................... 1 unit

(2) AC Adapter ........................................................................................................................................... 1 pc.

(3) External Printer ..................................................................................................................................... 1 unit

(4) Loopback Plug (Parallel Port Test) [P/N: DFWV95C0081] .................................................................. 1 pc.

(5) Loopback Plug (Serial Port Test for RS232C) [P/N: DFWV95C0067] ................................................. 1 pc.

(6) Floppy Disk containg file DIAG ............................................................................................................. 1 pc.

(1) Connect the AC Adapter and External Printer to the computer.

(2) The System Setup should be set to the factory setting values by executing the "SETUP UTILITY" which can be invoked

by F2 key at the POST.

If not, the messages and items of the diagnostic test may not be displayed properly on the LCD.

(3) The serial port must be enabled in the "SETUP UTILITY" in order to execute the "1st SERIAL PORT" test.

(4) Connect the serial loopback plug.

(5) In order to test the parallel port with Loopback Plug, disconnect the printer cable and connect the parallel  loopback plug

with Power OFF.

When "Enter password" is displayed, use "Password Skipping Plug" in order to skip the user password.

1) Connect the parallel plug to the parallel port.

2) Connect the PS/2 mouse plug to the mouse port.

3) Power on the computer.

The wiring of the parallel plug is described below.

Connect pins 2-5-6-8-11-13-15-18-19-20-21-22-23 to Shield GND (PS/2 mouse plug pin 3.)

Connect pins 3-4-7-9-10-12 to VC5 (PS/2 mouse plug pin 4) with 4.7KW each.

The plug described above must be used for servicing purpose only.

Do not use it for other than the above  purpose and ensure that it remains confidential.

Using the plug enables the user to skip the previous password and disable the password.

5 - 2

Use the floppy disk containing file diag48.

Press [D] [I] [A] [G] [4] [8] and [Enter] keys.

DIAGNOSTIC MENU (V*.*L**)

1.

TEST ALL DEVICES       ( 

 DEVICES)

2.

TEST AUTOMATICALLY ( 

 DEVICES)

3.

EXIT

4.

MAIN BOARD

5.

xxxxxKB RANDOM ACCESS MEMORY

6.

KEYBOARD

7.

TRACK BALL/MOUSE

8.

BATTERY PACK

9.

VIDEO

10.

1 HARD DISK DRIVE(S)

11.

1 FLOPPY DISK DRIVE(S)

12.

1 PARALLEL PORT(S)

13.

1 SERIAL PORT(S)

14.

PCCARD CONTROLLER

15.

INFRARED COMMUNICATION PORT

16.

CD-ROM DRIVE

SELECT  MENU  :  _

Select test item, Press number and Enter keys.

1) MAIN BOARD TEST

Press   4   and   Enter   keys.

MAIN BOARD TEST

(Normal Message) : Test done ! !

Hit any key when ready._

When an error message is displayed, refer to [5.2 Error Message].

2) xxxxxKB RANDOM ACCESS MEMORY TEST

Press   5   and   Enter   Keys.

BASE RAM TEST

CURRENT BASE RAM SIZE = 640KB

640KB   OK

EXTENDED RAM TEST

CURRENT EXTENDED RAM SIZE = xxxxxKB

xxxxxKB   OK

(Normal Message) : Test done ! !

Hit any key when ready._

When an error message is displayed, refer to [5.2 Error Message].

5 - 3

3) KEYBOARD TEST

Press   6   and   Enter   keys.

KEYBOARD

1.  TEST ALL DEVICES        ( 

 DEVICES)

2.  TEST AUTOMATICALLY  ( 

 DEVICES)

3.  EXIT

4.  PRESS KEY TEST

5.  SCAN CODE RETURN TEST

SELECT MENU :  _

For  4.  PRESS KEY TEST.

Press   4   and   Enter   Keys.

PRESS KEY TEST

1. TEST ALL DEVICES        ( 

 DEVICES)

2. TEST AUTOMATICALLY  ( 

 DEVICES)

3. EXIT

4. U.S.A.

5. U.K.

6. SWEDEN

7. JAPAN

8. GERMANY

9. FRANCE

10. ITALY

11. SPAIN

12. SWISS  (Gr)

SELECT MENU :  _

For  4.  U.S.A..

Press   4   * and   Enter   keys.

KEYBOARD TEST

Press each key for character replacement

If correct, press "Y" and "ENTER"

If not correct, press "N" and "ENTER"

(Normal Message):

Keyboard is OK

Press any key when ready._

When an error message is displayed, refer to [5.2 Error Message].

For  5.  SCAN CODE RETURN TEST.

Press   5   and   Enter   keys.

KEYBOARD  RETURN  CODE  TEST

Press any key.

(Normal message) : KEY

Key has been hit or broken (F10)

SCAN code : xx

Test  done ! ! Press any key when ready._

When an error message is displayed, refer to [5.2 Error Massage].

4) POINTING DEVICE

Press   7   and   Enter   keys.

Track Ball/Mouse Test

Left button

    OFF

Right button     OFF

Is this correct  ?  (Y/N)

1. If the condition is normal, the cursor moves according to the movement of the mouse.

2. Pressing the button on the left or right side of the mouse causes display to change from OFF to ON.

*Note: Press appropriate number

accordingto the keyboard layout.

Immediately after this message is displayed,press the key of
the test you would like toperform.
(The routine will terminate if no entry is pressed.)