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RXRL-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo)
Pag. 31
SECTION 4
MAINTENANCE
4.1 SAFETY REQUIREMENTS
WARNING WARNING WARNING WARNING WARNING WARNING WARNING
When the receiver is operational, removing the top panel will expose
lethal voltages on the line voltage selector.
Use insulated tools for any type of adjustment and do not touch any
internal component with the unit switched on.
Ensure that the unit is disconnected from all sources of power before
carrying out any inspection or maintenance work.
MAINTENANCE LEVEL 1
4.2 ROUTINE MAINTENANCE
The only routine maintenance required by the RXRL-NV is the periodic
replacement of the cooling fan and the removal of accumulated dust.
The period between such action will depend on ambient operating
conditions such as temperature, air-borne dust levels and humidity.
It is advisable to check the unit every 6 months and to replace noisy
or worn fans.
Fans should be replaced as a metter of course after no more than 18 months
of operation.
MAINTENANCE LEVEL 2
4.3 CPU REPLACEMENT
1)
Open the top cover of the unit.
2)
Disconnect connectors CN1 and CN1 that connect the CPU to the P.L.L.
card and the RS232 C connector, respectively.
3)
Undo the screws holoding the front panel in place.
4)
Undo the nuts holding the front panel switches in place and remove
the CPU.
5)
Remove the card with great care.
Summary of Contents for RXRL-NV
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Page 174: ...RXRL NV ii Appendix Rev 0 3 11 04 03 Pagina lasciata intenzionalmente in bianco...
Page 175: ...RXRL NV 1 2 BLOCK DIAGRAM Rev 0 1 12 09 02...
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Page 178: ...RXRL NV 2 10 CPU NV Technical Appendix Rev 0 1 02 09 02...
Page 181: ...RXRL NV CPU NV 5 10 Appendice Tecnica Rev 0 1 02 09 02...
Page 187: ...RXRL NV CSSINTPLLRX 1 4 Technical Appendix Rev 0 1 02 09 02...
Page 191: ...RXRL NV CSTCX002 1 4 Technical Appendix Rev 0 1 02 09 02...
Page 196: ...RXRL NV 2 2 CSFIL70SAW01 Rev 0 1 12 09 02...
Page 197: ...RXRL NV FLTPB7E 1 4 Appendice Tecnica Rev 0 1 04 03 03...
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