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Triax dvb 75si – Triax DVB 75SI User Manual

Page 24

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TRIAX DVB 75SI

24

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Problem Cause

Remedy

No picture, no sound, and front
display not illuminated

No mains voltage

Check mains cable and socket

Short circuit in LNB supply,
defective cable connection

Turn off DVB 75SI, remove
short circuit and turn receiver
on again.

Defective or wrong cable
connection

Check all cable connections

Defective LNB

Replace LNB

No picture, no sound, but front
display illuminated

Wrong adjustment of LNB unit

Turn the dish so that LNB units
point at satellite correctly.

Strong rain or snow

Remove snow from the dish

Wrong adjustment of dish

Adjust the dish correctly (within
1 degree)

Dish too small

Use bigger dish

Periodic squares in the picture
(macro blocking)

Periodically frozen picture, no
sound

Periodically black screen and
the message 'No signal'

An obstruction between dish
and satellite (e.g. a tree)

Make sure that there are no
obstructions.

Sound OK, no picture

Radio reception has been
selected

Switch to TV reception [TV/R]

The dish has been turned or is
defective

Check satellite dish and LNB.

The programme is transmitted
on another transponder

Carry out programme search

Poor picture and sound on
channels that were previously
OK

The programme is no longer
transmitted

None

The remote control does not
work

Flat batteries

Replace batteries

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Aerial cable:

Connecting cable between the modulator
of the satellite receiver and the TV
antenna input, as an alternative if no
SCART connector is available.

AV: see SCART

Conax:

Digital coding method.

Data compression/MPEG1/MPEG2:

Transmission of the present TV standard
(625 lines and 50 Hz picture frequency)
requires a digital data amount of 216
Mbit/s. This would require transmission