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ARCHIVED FORUM -- April 2007 to March 2012 READ ONLY FORUM
This is the first Archived Forum which was active between 17th April 2007 and
1st March February 2012
Latest post 12-14-2007 10:41 AM by David. 7 replies.
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12-13-2007 10:21 AM
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kkqd0298
- Joined on 06-07-2007
- London
- Posts 37
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I have a link from Avant to 7-40, but the image on the Avant has terrible ghosting. The person installing just siad that it was a bad coax cable, is there anything else it could be. I am using 75ohm unshielded coax. Thanks
BV 7-40 MkIII, Avant RF, BL 5's & 4000's,
BS 9000, and Beo4+5. Waiting for BS 5
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Keith Saunders
- Joined on 04-16-2007
- Technical Advisor, Little Ann, Hampshire, UK
- Posts 3,810
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If you do not have correctly impedance match 75 ohm cable you will almost always get some kind of ghosting. I suggest you use CT100 coax cable terminated with the correct type of connectors. Also there is a RF link amplifier made by B&O to ensure the very best picture can be achieved on a link TV You can review it HERE which also has a link to an FAQ on using it in a link system
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kkqd0298
- Joined on 06-07-2007
- London
- Posts 37
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Problem solved by using f-connector coax. I got the voltmeter out and all 3 lengths of coax were 75ohm, so I assume the problem was with the connector type. Oh well I am happy now, thanks.
BV 7-40 MkIII, Avant RF, BL 5's & 4000's,
BS 9000, and Beo4+5. Waiting for BS 5
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David
- Joined on 05-05-2007
- England
- Posts 128
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I have 3 tv's linked to my Avant at home. I always had a bad picture on the link TV's, I used to get diagonal lines across them so I have just fitted the B&O Link amplifier. The picture quality has improved alot but if I get up close to the TV's you can see feint horisontal lines and slight ghosting. All my channels come through the Sky+ box because we don't have an aerial at our house. Could adjusting the Sky box help at all? Cheers, David.
Beolab 8000, Beolab 6000, Beolab 2, LG CX65, Beosystem 3, Beosound 9000, Beolab 3500
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Keith Saunders
- Joined on 04-16-2007
- Technical Advisor, Little Ann, Hampshire, UK
- Posts 3,810
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David, I am assuming that the Sky+ box is connected to the AVANT in the normal way via the SCART and the AVANT RF (link) output is connected to the B&O link amplfier ? please confirm. If the above is true then your faint lines will be either caused by fine tuning of the link frequency required (default is 591) or an impedance mis-match which can be caused by many things, but most likely, poor cable or not using double screened cable such as CT100 and/or "F" incorrectly fitted. Given that you have the problem with all three link TV's and you have a B&O link amplfier, if it is a cable issue the problem will be most likely between the AVANT RF output and the Link Amplifer.
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David
- Joined on 05-05-2007
- England
- Posts 128
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Hi Keith, Yes the Sky+ is conected via scart lead and the link output is connected to the B&O amp. I will check the cable to the amp tommorow to see if that helps things. My link frequency is 527 but I don't know how to fine tune this? Could you point me in the right direction please? Cheers, David.
Beolab 8000, Beolab 6000, Beolab 2, LG CX65, Beosystem 3, Beosound 9000, Beolab 3500
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David
- Joined on 05-05-2007
- England
- Posts 128
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Great news.Just set the link frequency to 591 and all is well now. Many thanks for your invaluable expertise once again. Cheers, David.
Beolab 8000, Beolab 6000, Beolab 2, LG CX65, Beosystem 3, Beosound 9000, Beolab 3500
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