R.V.R. Elettronica TEX20-NV, Техническое руководство

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TEX20-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 41
Main Card to the RF Power Amplifier module.
4) Unscrew the nuts fixing the card.
5) Remove the card upwards with great care.
4.5 EURO AUDIO INPUT CARD REPLACEMENT
1) Open the top cover of the unit.
2) Disconnect connectors CN3, CN4 and CN5 placed on the card.
3) Unscrew the nuts of the two connectors BNC (MONO and MPX) situated
on the front panel (only for EUROPA version).
4) Unscrew the two fixing screws of the selectors (PWR/DEV and
FWD/REF), situated on the rear panel.
5) Slide the card out.
4.6 USA AUDIO INPUT CARD REPLACEMENT (only for USA version)
1) Open the top cover of the unit.
2) Disconnect connectors CN6 and CN7 placed on the card.
3) Unscrew the nuts of the BNC connectors (MPX, SCA1, SCA2 and SCA3)
situated on the rear panel.
4) Unscrew the two fixing screws of the Telemetry socket, situated on
the rear panel.
5) Slide the card out.
4.7 POWER SUPPLY MODULE REPLACEMENT
1) Open the top cover of the unit.
2) Unscrew the three fixing screws situated on the lower part of the
equipment.
3) Disconnect connector CN1 from the Power Supply.
4) Take careful note of the position of the various colored connecting
wires (faston).
5) Disconnect the INTERLOCK faston connector situated on the power
supply.