All posts by Colin Sharp
Below are all of Colin Sharp's postings, with the most recent are at the bottom of the page.
MikeB:
Thanks for your response. After some hours, I believe I have at last identified the problem.
May I first explain my aerial set up. In the past, when using analogue recorder, I wanted to be able to playback from the recorder ( located in the lounge ) to a TV in any room of the house. The aerial coax is still connected via the same system to the now digital PVR via one socket of a 2 gang plate. Loop output coax from the PVR then connects via the other socket of the 2 gang plate providing input to an amplifier in the loft. Amplifier output coaxes then connect to the TV sockets in each room ( including the lounge ).
It would appear that the aerial socket in the 2 gang plate has developed a fault. What has confused things, is that despite unplugging the cable, which inputs and loops back through the PVR, the amplifier still picks up sufficient signal to feed the room sockets, including the lounge. Hence the Samsung TV, when connected via coax, is still able to tune to channels such as 20 ( Drama ) but the PVR when coax reconnected to the aerial socket and using HDMR to the Samsung, is losing channels.
I am ordering a new 2 gang socket and trusting once this has been fitted that the problem will have been solved.
Thanks again,
Colin
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MikeP:
Thanks for your response. After some hours, I believe I have at last identified the problem.
May I first explain my aerial set up. In the past, when using analogue recorder, I wanted to be able to playback from the recorder ( located in the lounge ) to a TV in any room of the house. The aerial coax is still connected via the same system to the now digital PVR via one socket of a 2 gang plate. Loop output coax from the PVR then connects via the other socket of the 2 gang plate providing input to an amplifier in the loft. Amplifier output coaxes then connect to the TV sockets in each room ( including the lounge ).
It would appear that the aerial socket in the 2 gang plate has developed a fault. What has confused things, is that despite unplugging the cable, which inputs and loops back through the PVR, the amplifier still picks up sufficient signal to feed the room sockets, including the lounge. Hence the Samsung TV, when connected via coax, is still able to tune to channels such as 20 ( Drama ) but the PVR when coax reconnected to the aerial socket and using HDMR to the Samsung, is losing channels.
I am ordering a new 2 gang socket and trusting once this has been fitted that the problem will have been solved.
Thanks again,
Colin
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MikeP:
Your advice, questioning the need for an amplifier and indicating, if required, where it should be positioned in circuit, relative to the Aerial and PVR is appreciated. I will consider the possibility of amending the existing wiring set up. This was installed in the days of analogue signals and VHS recorder.
Whilst I accept that it may not be the correct arrangement now, I am not sure, given the requirements at the time, which were to split the analogue signal to TV sockets in 6 locations throughout the house and to provide video playback at all of these, from a single recorder, that this could have been achieved in a different manner.
Regards, Colin
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Sunday 14 October 2018 1:10PM
I have an aerial receiving from Waltham transmitter, connecting to Panasonic PVR which loops through to a Samsung TV. No problems have been experienced with HD programs and Drama channel (20) until very recently.
Having had problems with lost channels, blocking, all aerial leads and socket connections have been checked and replaced, if thought suspect.
Drama channel is consistently fine being viewed when Samsung TV selected directly. However, when wanting to record and viewing on Panasonic PVR via HDMI connection to the TV, on channel 20, 'no signal' is reported or blocking occurs. Auto, followed by Manual tuning does not improve the situation. Surely this indicates the aerial reception is perfectly fine and transmission changes are having an effect on some Freeview tuners and not others. I am not alone in this area in suddenly experiencing loss of some channels recently.