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RXRL-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo)
Pag. 78
7)
Estrarre la scheda con molta cautela.
4.7 SOSTITUZIONE DEL FRONT-END/MIXER
1)
Togliere il coperchio superiore della macchina.
2)
Disconnettere i connettori CN1 e CN2.
3)
Dissaldare il filo di alimentazione proveniente dalla scheda PLL.
4)
Svitare le viti che fissano il Front-End/Mixer al pannello
posteriore.
5)
Estrarre il Front-End/Mixer con molta cautela.
4.8 SOSTITUZIONE DEL P.L.L.
1)
Togliere il coperchio superiore della macchina.
2)
Dissaldare il filo che collega il PLL al Front-End Mixer.
3)
Disconnettere i connettori CN1, CN2 e CN3.
4)
Svitare i dadi di fissaggio della scheda sul PLL.
5)
Estrarre il PLL con molta cautela.
4.9 SOSTITUZIONE DELLA MUTING CARD
1)
Togliere il coperchio superiore della macchina.
2)
Disconnettere il connettore CN0.
3)
Svitare il dado del trimmer LEVEL METING posto sul pannello
frontale.
4)
Estrarre la Muting card con molta cautela.
4.10 SOSTITUZIONE DELLA AUDIO PROCESS CARD
1)
Togliere il coperchio superiore della macchina.
2)
Togliere il coperchio della scatola metallica che protegge la scheda
Audio Process e la scheda IF 70MHz.
3)
Annotare la posizione dei vari connettori della scheda Audio Process
e della scheda IF 70MHz.
4)
Disconnettere i connettori CN1, CN2, CN3 e CN4 della scheda Audio
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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