Ericsson RX1290 用户手册

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页码 176
 
Preventive Maintenance and Fault-finding
 
7.1 
Introduction 
This chapter provides the schedules and instructions, where applicable, for routine 
inspection, cleaning and maintenance which should be performed by an operator. 
There are also some basic fault-finding procedures to follow in the event of a 
suspected failure of the RX1290 Multi-Format Receiver. 
7.2 
Routine Checks 
7.2.1 
Cooling Fans 
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 fans are working. They 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. 
 
 
Fans are mounted on 
this side of the unit 
Air is released through vents 
at the side of the unit. 
Figure 7.1  Cooling Fans Location 
7.2.2 
Cleaning 
Unplug the equipment from the supply before cleaning. Do not use liquid or aerosol 
cleaners. Use a damp cloth for cleaning the exterior of the Receiver. 
EN/LZT 790 0003/2 R1A
 
 
 
 
7-3