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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
Good Signal Strength but no signal Quality
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<blockquote data-quote="spiney" data-source="post: 187439" data-attributes="member: 192438"><p>Michael, you completely missed the point, so that sarcasm was wasted!</p><p></p><p>With sufficient sat if signal received, if demoudulation isn't happening, then either there's bad interference, or a fault in receiver tuner or if/demod stages.</p><p></p><p>Interference is most easily checked by using a different sat receiver, if possible (most people don't have test equipment!). If there's none, then a fault is unlikely in the demodulator, so it's either the 2nd if section or tuner, almost certainly the tuner. If a Zif tuner, then of course must be that.</p><p></p><p>I'd have thought not many people are in a posiiton to attempt a short-lasting repair with a temp controlled iron! Fraught, and will fail again, so why bother? Just repace the damn thing!</p><p></p><p>(I see you're selling them at a high price, MCES don't charge much more for full digibox repair).</p><p></p><p>I accept, this does seem a bizarre failure mode! Ion migration causes junction failures, especially at high powers, but I thought actual packaging problems were long time understood!</p><p></p><p>PS, I haven't called myself anything, "specialist" was added by forums admin! But, since you ask, no I don't spend my time mostly repairing digiboxes.</p><p></p><p>PS, nice place, Buxton. Lots of hills, so good area for satellite installs!</p></blockquote><p></p>
[QUOTE="spiney, post: 187439, member: 192438"] Michael, you completely missed the point, so that sarcasm was wasted! With sufficient sat if signal received, if demoudulation isn't happening, then either there's bad interference, or a fault in receiver tuner or if/demod stages. Interference is most easily checked by using a different sat receiver, if possible (most people don't have test equipment!). If there's none, then a fault is unlikely in the demodulator, so it's either the 2nd if section or tuner, almost certainly the tuner. If a Zif tuner, then of course must be that. I'd have thought not many people are in a posiiton to attempt a short-lasting repair with a temp controlled iron! Fraught, and will fail again, so why bother? Just repace the damn thing! (I see you're selling them at a high price, MCES don't charge much more for full digibox repair). I accept, this does seem a bizarre failure mode! Ion migration causes junction failures, especially at high powers, but I thought actual packaging problems were long time understood! PS, I haven't called myself anything, "specialist" was added by forums admin! But, since you ask, no I don't spend my time mostly repairing digiboxes. PS, nice place, Buxton. Lots of hills, so good area for satellite installs! [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Sky & Freesat fringe reception
Good Signal Strength but no signal Quality
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