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Television - Tech, General, and Q&A
DTV | HDTV Reception and Antenna Discussion
Reception Issues with Los Angeles area
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<p>[QUOTE="Don_M, post: 17959, member: 3184"]Every one of those stations moved their digital broadcast from the UHF band (channel 14 and up) to VHF channels 7, 9, 11, and 13 on transition day. Each of you has some troubleshooting to do:</p><p></p><p>* First re-scan your HDTV/converter box. Yes... again. As mustard's experience suggests, even this doesn't do this trick sometimes because the obsolete channel assignments get "stuck" in the memory of some boxes/receivers. Some models have a command for deleting obsolete channels; do this if you can. Others don't have this function. For those, a complete re-set will resolve this issue: Unplug the tuner completely, and leave it unplugged for a minimum of five minutes. Plug it back in, and then perform a full ("blind") channel scan. </p><p></p><p>If those stations still won't come in:</p><p></p><p>* Your antenna is probably designed for reception of UHF channels only. If so, you'll need a replacement capable of receiving both UHF and VHF signals. In some circumstances, though, particularly those involving attic or rooftop antennas, you may be able to buy a compact VHF-high band antenna and add it to your current UHF antenna using an inexpensive signal combiner. I'll be glad to offer help in this regard if anybody needs it. Let me know in a follow-up post.</p><p></p><p>If the antenna was the culprit, please remember to re-scan the tuner once everything is set up. Those channels won't come in from their new assignments without it!</p><p></p><p><em>To the OP:</em> The signals are already strong enough per the TVFool report that a newer/bigger/better pre-amp isn't going to help.[/QUOTE]</p><p></p>
[QUOTE="Don_M, post: 17959, member: 3184"]Every one of those stations moved their digital broadcast from the UHF band (channel 14 and up) to VHF channels 7, 9, 11, and 13 on transition day. Each of you has some troubleshooting to do: * First re-scan your HDTV/converter box. Yes... again. As mustard's experience suggests, even this doesn't do this trick sometimes because the obsolete channel assignments get "stuck" in the memory of some boxes/receivers. Some models have a command for deleting obsolete channels; do this if you can. Others don't have this function. For those, a complete re-set will resolve this issue: Unplug the tuner completely, and leave it unplugged for a minimum of five minutes. Plug it back in, and then perform a full ("blind") channel scan. If those stations still won't come in: * Your antenna is probably designed for reception of UHF channels only. If so, you'll need a replacement capable of receiving both UHF and VHF signals. In some circumstances, though, particularly those involving attic or rooftop antennas, you may be able to buy a compact VHF-high band antenna and add it to your current UHF antenna using an inexpensive signal combiner. I'll be glad to offer help in this regard if anybody needs it. Let me know in a follow-up post. If the antenna was the culprit, please remember to re-scan the tuner once everything is set up. Those channels won't come in from their new assignments without it! [I]To the OP:[/I] The signals are already strong enough per the TVFool report that a newer/bigger/better pre-amp isn't going to help.[/QUOTE]
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DTV | HDTV Reception and Antenna Discussion
Reception Issues with Los Angeles area
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