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RXRL-NV/2 Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo)
Pag. 29
4.1 SAFETY REQUIREMENT
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/2 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 meter 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 RS232C connector, respectively.
3)
Undo the screws holding 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.
6)
Undo the screws holding the CPU’s protective metal container, and
remove the cards.
4.4 ANAMETER CARD REPLACEMENT
1)
Open the top cover of the unit.
2)
Undo the front panel fixing screws.
Summary of Contents for RXRL-NV/2
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Page 181: ...RXRL NV 2 CPU NV 5 10 Appendice Tecnica Rev 0 1 02 09 02...
Page 187: ...RXRL NV 2 CSSINTPLLRX 1 4 Technical Appendix Rev 0 1 02 09 02...
Page 191: ...RXRL NV 2 CSTCX002 1 4 Technical Appendix Rev 0 1 02 09 02...
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Page 197: ...RXRL NV 2 FLTPB7E 1 4 Appendice Tecnica Rev 0 1 04 03 03...
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