Panasonic CF-07 Series, Service Manual

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12 Diagnostic Test
Diagnostic Test Procedure
1. Equipment
(1) Test Computer ------------------------------------------------------------------- 1 unit
(2) Port Replicator (CF-VEB071) ------------------------------------------------ 1 unit
(3) External Keyboard -------------------------------------------------------------- 1 unit
(4) External Display ----------------------------------------------------------------- 1 unit
(5) External Floppy Disk Drive --------------------------------------------------- 1 unit
(6) AC Adapter ----------------------------------------------------------------------- 1 pc.
(7) External Printer ------------------------------------------------------------------ 1 unit
(8) Loopback Plug (Parallel Port Test) [P/N: DFWV95C0081] ----------- 1 pc.
(9) Loopback Plug (Serial Port Test for RS232C) [P/N: DFWV95C0067] -1 pc.
(10) Floppy Disk containing file DIAG --------------------------------------------- 1 pc.
2. Preparation
(1) Connect the computer (CF-07) to the port replicator (CF-VEB071).
(2) Connect the AC Adapter and External Equipments.
(3) 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.
(4) The serial port must be enabled in the "SETUP UTILITY" in order to execute the "1st
SERIAL PORT" test.
(5) Connect the serial loopback plug.
(6) In order to test the parallel port with Loopback Plug, disconnect the printer cable and
connect the parallel loopback plug with Power OFF.
3. NOTICE
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.
CAUTION
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.
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