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9.4 REPLACING THE POWER SUPPLY
PROTECTION FUSE
In case the fuse on the power supply line has
blown, proceed as follows to replace it:
- Turn off the decoder, the TV set and make sure
that the switch on the control unit is set to OFF.
- Remove the control unit from the wall-mounting
bracket, open the box by loosening the screws.
- OPTIONAL: (in case of built-in installation):
remove the wall-mounting plate (see Fig. 16),
loosen the screws and remove the built-in
control unit.
- Disconnect the power supply cable from the
battery.
- Remove the blown fuse from its seat indicated in
Fig. 29 and replace it with a new one (type T
3A15 5x20, i.e. delayed-action tube fuse, with 5
mm diameter and 20 mm length, 3 A rated
current and 15 V rated voltage).
- Connect the power supply to the battery again.
- Reinstall the rear cover onto the control unit.
- OPTIONAL (in case of built-in installation):
insert the control unit into the wall, reinstall the
fastening screws and the installation plate.
S
WARNING
In case the fuse blows again, a short circuit on the
coaxial cable or on the power supply cable could
be the cause.
Check that the cables are not short-circuited.
S
DANGER
Do not supply the antenna by connecting the 2
wires of the positive pole without using the fuse.
This could cause a fire.
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Fig. 29
63
DANUBE 2 R500
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