Ericsson Multi-Format Receiver RX1290 User Manual

 

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. 

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

 

 

 

 

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