Preventive Maintenance and Fault-finding
Instruction Manual: Professional Receivers and Decoders (IRD)
Page 6-3
ST.TM.TT1220.1
6.1
Routine Checks
6.1.1
Cooling Fan
There are no routine checks associated with this equipment other than to
ensure that the unit is adequately cooled. This equipment must never be
operated unless the cooling fan is working; this should be checked
periodically.
CAUTION…
The fan contained within this unit is not fitted with an insect / dust filter. Pay particular attention to the
environment in which it is going to be used.
6.1.2
Cleaning
Unplug the equipment from the power supply before cleaning. Do not use
liquid or aerosol cleaners. Use a damp cloth for cleaning the exterior of the
receiver.
6.2
Servicing
6.2.1
Conditions Requiring Servicing
WARNING…
DO NOT ATTEMPT TO SERVICE THIS PRODUCT AS OPENING OR REMOVING COVERS MAY
EXPOSE DANGEROUS VOLTAGES OR OTHER HAZARDS. REFER ALL SERVICING TO SERVICE
PERSONNEL WHO HAVE BEEN AUTHORISED BY TANDBERG TELEVISION.
The following is a list of conditions which may indicate a need for servicing
of the product:
1.
When the power supply cord or plug is damaged
2.
If liquid has been spilled, or objects have fallen into the product
3.
If the product has been exposed to rain or water
4.
If the product does not operate normally by following the operating
instructions. Adjust only those controls that are covered by the
operating instructions or as told by a TANDBERG Television engineer.
Failure to do so may render the product in an unstable state; and may
require extensive work by a qualified technician to restore the product
to normal operation
5.
If the product has been dropped or the case has been damaged
6.
When the product exhibits a distinct change in performance
7.
If the equipment has been exposed to a lightning strike or power surge
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