Panasonic CF-07 Series, Руководство по обслуживанию

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4. KEYBOARD, MOUSE DIAGNOSIS
Make sure that connecting cables, connectors and AC adapter are not loose or disconnected prior to testing.
No. Symptom
Troubleshooting
procedures
Source of
problem
No. Result
1
Keyboard 1-1 Keyboard is broken.
Key top cannot be
pressed.
Key top does not spring
back after pressing.
2
2-1
Replace the keyboard and
see if inputting from the
keyboard function normally? None of the keys function.
Certain keys do not
function.
Component
YES
NO
Keyboard
Main PCB
3 3-1
Does the screen mode
correspond to the key entry
mode?
Input character is
displayed as grabage. YES Go to No. 3-2
4
Mouse does not function.
Inputs from the mouse are
not accepted properly.
4-1
Replace the mouse.
Does operation return to
normal?
YES
NO
Mouse
Main PCB IC20
3-2
Is the keyboard setting in the
operating system correct?
NO
Operating
mistake
3-3
Replace the keyboard and
see if inputting from the
keyboard functions normally.
YES
NO
Keyboard
Main PCB IC20
YES Go to No. 3-3
NO Software setting
Keyboard YES
Replace the keyboard.
Does operation return to
normal?
Keyboard interface failure
6-1
Main PCB NO IC20
6
5 Go to No. 6
Is the keyboard properly
connected?
YES
Keyboard was
not connected
properly
NO
5-1
Keyboard failure
14-5