TROUBLESHOOTING
This section describes problems you may encounter while using the STB.
If a problem occurs in the STB, check the following items first.
Screen
Trouble
Solution
The TV screen does not
appear.
1. Check if the power of the TV and STB are turned on.
2. Check if the cable is connected to the ‘CABLE IN’ port.
3. Check if the STB is selected as the TV’s source.
Remote Control
Trouble
Solution
The remote control does not
operate.
1. Check if the remote control is suitable for use with the
STB.
2. Check if the remote control operates normally after
changing the batteries.
3. Check if the batteries are inserted correctly in the
remote control.
4. Check if any obstacle exists between the STB and the
remote control.
5. Check if the remote control operates normally when
used at a close distance.
General
Trouble
Solution
No sound is emitted in the
TV or the audio.
1. Check if the audio ports of the TV are properly
connected to the audio output ports of the STB.
2. If the audio cable is connected properly, check if the
mute function is set. If the mute function is set, press
the [Mute] button of the remote control in order to
release the mute function.
SMT-H3272 User Guide_
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