Panasonic CF-73ECLTXKM - Toughbook 73 - Pentium M 1.4..., Руководство по обслуживанию

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Make sure that connecting cables, connectors and AC adapter are not loose or disconnected prior to testing.
No.
Result
1 Key top cannot be
pressed.
Key top does not spring
back after pressing.
1-1 Keyboard is broken. Keyboard
YES Keyboard
NO Main PCB
YES Go to No.3-2
NO
Operating
mistake
YES Go to No.3-3
NO Software setting
YES Keyboard
NO Main PCB IC14
YES Mouse
NO Main PCB IC14
YES Touch Pad
NO Go to No.5-2
YES Touch Pad FPC
NO Main PCB IC14
YES Go to No.7
NO
Keyboard was not
connected
properly
YES Keyboard
NO Main PCB IC14
6 Keyboard failure
7 Keyboard interface failure
None of the keys function.
Certain keys do not
function. 2
Input character is
displayed as garbage. 3
4 Mouse does not function.
Inputs from the mouse
are not accepted properly.
5 Touch pad not function.
Input from the track ball
are not accepted properly.
Replace the keyboard.
Does operation return to
normal?
7-1
5-1
Replace the touch pad.
Does operation return to
normal?
5-2
Replace the touch pad FPC.
Does operation return to
normal?
3-3
Replace the keyboard and
see if inputting from the
keyboard functions normally?
3-1
Replace the keyboard and
see if inputting from the
keyboard function normally?
9 .4 KEYBOARD
3-2
Is the keyboard setting in the
operating system correct?
2-1
Does the screen mode
correspond to the key entry
mode?
Source of
problem
Component
Troubleshooting
procedures
Symptom No.
Replace the mouse.
Does operation return to
normal?
4-1
Is the keyboard properly
connected?
6-1
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