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Old 10-12-2010, 18:26   #19
dave t
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Join Date: Oct 2010
Posts: 27
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Re: Surround sound and audio problems

Quote:
Originally Posted by Wild Oscar View Post
I don't know how competent you are at 'electrickery' , but I'd suggest taking the top cover off of your amp , getting a tin of suitable solvent cleaner (from Maplins for example .. ) and giving the circuit board and components a good clean!
No need - recently had it serviced due to a relay/IC controlling the rear channels breaking (see earlier in the thread for that bit - it was causing confusion in the beginning because it was intermittent). It's got a clean bill of health now.

Furthermore, after my post above I discovered the problem could be partially fixed by rebooting the V+ box. I say partially, because it fixes any live-TV problems, but NOT recorded ones, or some on-demand.

The latest situation is now:

If Live-TV goes wrong - reboot - fixed
If On-Demand goes wrong - reboot - sometimes fixed (messed up films remain so for example)
Recorded programmes are stuck, as the fault is with either the signal or the box, and the audio is recorded incorrectly.

Note that this fault affects both the 5.1 optical audio to my receiver, and the 2 channel HDMI audio going to the TV, so it is NOT my amp doing this as it is out of the circuit when using the TV audio.

If one channel or programme has broken audio, other channels often work, as do any correctly recorded programmes, and DVD/BluRay ALWAYS work flawlessly.

Latest example of a programme showing audio faults:

Living HD - Chuck (Thurs 9th Dec 2010)
Dialogue was shifted to the left rear channel, with music effects coming from the centre channel. As if the speaker setup had been rotated about 100 degrees counterclockwise relative to the listener. When I switched to the TV audio, it was all on the left channel. I know this could likely be fixed by rebooting, unfortunately I couldn't reboot to fix this, as the box was recording something else too. Had to scrap the HD Chuck and record it from the +1 in SD - rubbish solution!

And yet, at the same time that Chuck was not working, all other HD channels broadcasting in 5.1 were fine (I went through them). This is odd, as it suggests a fault with the specific channel, but I have yet to find another customer with the problem, so...

Time for a 3rd V+ box?

1st: SA V+ Overheats and locks up
2nd: Samsung V+ Stable in use, but messes up 5.1 surround almost daily.
What will number 3 bring? :-|

ps - out of interest, does anyone reading this watch Chuck on a surround system? Since it moved to Living, any background music during the show seems to be heavily weighted to the rear channels, even when the audio is seemingly working correctly. Is this the programme? It never did it on Virgin One. Dialogue and surround effects (doors, gunfire) all come from the right places.
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