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RXRL-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo)
Pag. 33
7)
Remove the Power Supply with great care.
4.7 FRONT-END & MIXER REPLACEMENT
1)
Open the top cover of the unit.
2)
Disconnect connectors CN1 and CN2.
3)
Desolder the power cable coming from the PLL card.
4)
Undo the screws fixing the Front-end Mixer to the rear panel.
5)
Remove the Front-end Mixer with great care.
4.8 P.L.L. REPLACEMENT
1)
Open the top cover of the unit.
2)
Desolder the wire connecting the PLL to the Front-end Mixer.
3)
Disconnect connectors CN1, CN2 and CN3.
4)
Undo the nuts fixing the PLL card in place.
5)
Remove the PLL with great care.
4.9 MUTING CARD REPLACEMENT
1)
Open the top cover of the unit.
2)
Disconnect connector CN0.
3)
Undo the nut fixing the LEVEL MUTING trimmer to the front panel.
4)
Remove the Muting card with great care.
4.10 AUDIO PROCESS CARD REPLACEMENT
1)
Open the top cover of the unit.
2)
Open the cover of the metal container which protects the Audio
Process card and the 70MHz IF card, Take note of the position of
the various connectors of the Audio Proccess and 70MHz IF cards.
3)
Disconnect connectors CN1, CN2, CN3 and CN4 from the Audio Process
card and connectors CN2, CN3, CN4, CN5 and CN6 from the 70MHz IF
card, the latter to facilitate removal.
Содержание RXRL-NV
Страница 20: ...RXRL NV Technical and Maintenance Manual R V R Elettronica S r l Bo Pag 20 FIG 1...
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