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4.4.10. INFRARED CCOMMUNICATION PORT 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
Component
No.
Result
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
Summary of Contents for ToughBook CF-72 Series
Page 11: ...3 3 3 2 System Memory Map ...
Page 35: ...5 10 5 2 Error Message IC3 IC3 IC3 IC3 IC31 IC3 IC3 IC10 17 IC10 17 IC10 17 IC1 IC2 ...
Page 36: ...5 11 IC3 IC31 IC31 IC5 IC5 IC5 ...
Page 37: ...5 12 IC5 IC5 IC30 IC5 IC5 IC5 ...
Page 38: ...5 13 IC5 IC28 IC33 IC49 IC3 ...
Page 39: ...5 14 ...
Page 40: ...5 15 ...