Electronics

Vince · Guest

Hi,

I have just connected up a JVC 28" flat screen TV to a Grundig digibox
(decoder). In parallel with the digibox I can still tune into conventional
terrestrial TV channels as before. The problem is that with the digibox
channels there is often a flickering of the picture - rapidly jumping up and
down by a small amount. This can occur on a single channel depending on
which camera shot is being shown. The flickering will turn on and off
depending on the shot. The fault never occurs when I am tuned into a
conventional channel (signal directly from antenna via co-ax cable), without
using the digibox. I have tried all possible input sockets for the Scart,
and also changed the picture display (mode) settings, but to no avail.

Any ideas what the cause might be, please?

Vince · Guest

Just in case anyone can help me with this, I now have some additional
information on the problem. The setup is such that I can either tune
the television to freeview via my VCR , or to AV directly to the
digibox via a scart cable. The flickering occurs only via the VCR,
tuning the VCR to freeview either via the scart or co-ax connection -
but on certain channels only.

If I find such a channel by either of these routes and then toggle the
TV tuner from VCR to AV the problem comes and goes accordingly.

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