User guide

Preventive Maintenance and Fault-finding
Page 7-6 Reference Guide: RX1290 H.264 Contribution Receiver
ST.RE.E10228.1
7.5 AC User Accessible Fuse Replacement
CAUTION...
This product should be operated only from the type of power source indicated on the marking label. If
you are not sure of the type of power supply to your home or business, consult your appliance dealer or
local power company. For products intended to operate from battery power, or other sources, refer to the
operating instructions.
The power supply used in this equipment is a wide-ranging, AC power supply unit designed
for use in ambient air temperature conditions of 0°C to +50°C for 100-120 Vac and
220-240 Vac, 50-60 Hz (see Annex B, Technical Specification for details). There are no links
or switches to be altered for operation from different a.c. supplies.
The Contribution Receiver is designed for User Accessible Fuse Replacement.
In addition to the fuse in the supply cable plug (if appropriate) there is a fuse held in an
integral fuse carrier at the a.c. power inlet at the rear of the unit.
Table 7.1: Fuse Information
Item Specification
Fuse Single pole, fitted in live conductor in power input filter at rear of unit.
Fuse type 5 mm x 20 mm anti-surge (T) HBC, IEC/EN 60127-2 Sheet 5
Fuse rating 2 A, 250 Vac
To replace the a.c.power fuse perform the following:
WARNING…
BEFORE REPLACING THE REAR PANEL FUSE, DISCONNECT THE EQUIPMENT FROM THE
SUPPLY. FAILURE TO DO THIS MAY EXPOSE HAZARDOUS VOLTAGES. UNPLUG THE
EQUIPMENT FROM THE LOCAL SUPPLY SOCKET.
1. Ensure that power is turned off and the power cable is disconnected from the a.c.power
inlet.
2. Ease out the fuse carrier by placing a small, flat-bladed screwdriver in the notches at the
sides of the carrier.
CAUTION...
When replacing the power input fuse, always ensure that a fuse of the correct type and rating is fitted.
Failure to do so results in inadequate protection.
3. Replace the fuse in the carrier.
4. Insert the fuse carrier back in the a.c. power inlet.
Figure 7.2: Fuse Carrier
To access the fuse, ease out the
notch with a small flat-blade
screwdriver.
Fuse Carrier
AC Power Inlet