R.V.R. Elettronica HC3, Руководство пользователя

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HC3 - Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 25
4) Disconnect connectors CN1, CN3, M1 and M3.
5) Remove the knob of the meter selector loosening the screw inside
the knob.
6) Dismount the screws of the meter selector switch and Alarms Reset
push-button.
7) Slowly remove the card paying attention to signaling leds.
4.5 UNBALANCING CARD REPLACEMENT
1) Open the top and bottom covers of the unit.
2) Diconnect JP1, JP2, and JP4 on the Unbalancing card and M1 on the
Alarms card.
3) Remove the fixing bolts of the card on the Alarms card.
4) Remove slowly the unbalancing card.
4.6 TELEMETRY CARD REPLACEMENT
1) Open the top and bottom covers of the unit.
2) Remove the fixing bolts of the card on the Alarms card.
3) Diconnect CN2 connector on the Telemetry card.
4) Remove the Telemetry card payng attention to disconnect slowly M2
strip.
4.7 REMOTE CARD REPLACEMENT
1) Open the top and bottom covers of the unit.
2) Diconnect CN1 and CN2 connectors on the Remote card.
3) Remove the fixing bolts of the card.
4) Remove slowly the Remote card.