Ericsson RX1290, Reference Manual

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Preventive Maintenance and Fault-finding
7.6 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 - 240 V AC, 50-60 Hz (see Annex B, Technical Specification for details). There
are no links or switches to be altered for operation from different AC supplies.
The Multi-Format 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 AC 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 4 A, 250 V AC
To replace the AC 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
AC power inlet.
2. Ease out the fuse carrier by placing a small, flat-bladed screwdriver in the
notches at the sides of the carrier.
EN/LZT 790 0003/2 R1A 7-7