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LG LST-5402P DVR no longer displays the digital ABC stations, channnel 12 and Channel 77. These channnels are not locked.

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4 Suggested Answers

  • 5 Answers

SOURCE: RECORDING PROBLEM

Connectivity problem. Without knowing your models and their available channels etc., it's very difficult to advise you exactly.
Broadly though ...... you need to get the input signal routing sorted.
Plug your aerial into the Freeview box. Make a connection from its RF out, (beside the aerial 'in' socket) to the aerial 'in' socket on the JVC. Run yet another co-axial connection from the JVC RF 'out' to the television.
Now - connect a scart lead between the JVC and the TV. Power off the freeview. Switch your TV to accept A/V - to show the JVC on screen. Read/go through the 'Set up' procedure on the JVC to scan in the available broadcast channels. When done - connect using a scart between the Freeview box and the JVC. This will be located on either the L1 or L2 channel selection.
IF as it seems you are using the freeview to watch all your programmes - and record in then you are simply watching and recording 'live' change the Freeview programme and the JVC gets that same one arriving in (and sending to the TV)
Unless you need to record Freeview only output - always record from the aerial input. You select via the television remote (and 'TV' selected) and the appropriate channel.
Complex to explain - hope it helps. The one thing to remember - is to make one set of changes at a time - check the result is okay, before moving to the next.

Posted on Jan 28, 2008

worldvet
  • 859 Answers

SOURCE: When auto tuning my LG

Hello,

The ABC channels arrive on a different Harmonic than Analog signals; specifically the third Harmonic. When you auto tuned, the auto tune chip looks for stron analog channels on the first harmonic and any other strong signals. However the LG model is notably poor at capturing 3rd Harmonic signals.

Harmonics are different frequencies where the same signal can be captured. Making this overly simplified: a frequency multiplied by 2 is a harmonic and that multiplied by 2 is also of the same harmonic; inversely dividing by 2 and 2 gain and so on finds harmonics down in light wave frequencies.

You may be able to manually tune these ABC frequency channels manually (I do not know, as I live in the US and have no direct experience with this) and then add them in one by one. But, using the Auto Tune feature again will wipe those out. The same thing happens to other weak signals, which harmonic is actually (its on an offset carrier wave).

I just read of a man who built an improved antenna and put this in his attic and received ABC channels quit well. A decent understanding of Antenna physics is required, but it only took up 1.5m wide by .8m (sic) long. In a nutshell he improved his basic antenna by building his own more sophisticated antenna.

Shopping around and asking in the shops should get you an antenna add on that will work for you.

As I stated before I live in the US, and we don't have this, but I and others here at fixya have various experience in amateur radio.

I will ask a friend of mine who lives in Australia to confer with me on this problem of yours so he can add some value to our response to you.

Regards,
Worldvet

Posted on Oct 23, 2008

  • 630 Answers

SOURCE: LG RH397D how do I watch TV when recording another

Not unless it has a twin tuner (which I don't think it has)

Posted on Dec 06, 2009

  • 2 Answers

SOURCE: model dvdr3576h/37 digital tuner not working,

Same problem here. Has anyone found a solution?

Posted on Mar 05, 2011

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WARNING - All SCHEDULED programs that you have previously scheduled by using the TVGOS will be deleted (NOTE: not the programs that are already recorded on your hard drive, they will NOT be deleted)

Turn the unit off.

Press the up channel & down channel (on the box, not on your remote control) at the same time & hold them for at least 10 seconds. This will reset the entire TVGOS system back to the default settings that were present when you first plugged in your DVR. This erases all previous info that your DVR had about what station it used to get the signal from and forces it to scan all the channels looking for the new channel. This is the only way to force this to occur.

When you turn on the unit, it will run you through the setup like it did when you plugged it in for the first time. Enter your zip code, etc. and when you are done, turn it off & leave it off overnight.

If your TVGOS has the Station Grid but no listings, be patient, TVGO updates its own firmware on your DVR automatically, and that may be all that happens the first night. It should start updating the listings the following night.

If it found the station grid, this is a great sign!!!! This means that your cable company is working on it!!!! It took my local Cable Company about 7 or 8 days to get it working properly, but now my 3 Panasonics and my HD Sony are all receiving full listings!!!!

If you are still getting nothing, complain to your LOCAL Cable Company. It is up to them to ensure that the signal is converted to analog & sent out over cable.

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You do not need to use an RF modulator if you have a LG DR787T. It will output the program on channel 3 or channel 4. If you have another recording machine, I think you may need to re-scan for the stations.
It is also possible that you need to use the remote to switch from the analog (66 only?) stations to the digital stations.
If using a 787, press HOME, select TV & press ENTER, the channel list menu appears. With the highlight on the top of the list, use the < and > arrow keys to select from: TV, DTV, Favorite, or ALL. This lets your pick whether you want to see digital, analog, favorites with the "HEAR" symbol, or all stations.
tom

THIBSRUS:
I think that there is a selection on the Panny that works much like the TV/VCR selection on a videotape recorder. Your machine is receiving and decoding digital stations, as you stated you can see them on the menu screen, but is not passing them through to your TV set for viewing. To use the Panny as a tuner for live TV shows, or actually, programs currently airing, you have to tune the TV to channel 3 or 4, or, if using the Red/White/Yellow connectors, the proper video input selection, AND turn the Panasonic on, and have it sending the programs it is receiving out on the antenna connection or the video/audio out (RWYellow) connections. It is really a matter of selecting, on the Panasonic, whether it passes through the antenna signals, or the digital signals that is is receiving.
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When auto tuning my LG LST-5403P dvr I can not get the ABC channels. It worked correctly until my wife decided to go thru the auto tuning process!!! The missing channels can be picked up at the TV but not...


Hello,

The ABC channels arrive on a different Harmonic than Analog signals; specifically the third Harmonic. When you auto tuned, the auto tune chip looks for stron analog channels on the first harmonic and any other strong signals. However the LG model is notably poor at capturing 3rd Harmonic signals.

Harmonics are different frequencies where the same signal can be captured. Making this overly simplified: a frequency multiplied by 2 is a harmonic and that multiplied by 2 is also of the same harmonic; inversely dividing by 2 and 2 gain and so on finds harmonics down in light wave frequencies.

You may be able to manually tune these ABC frequency channels manually (I do not know, as I live in the US and have no direct experience with this) and then add them in one by one. But, using the Auto Tune feature again will wipe those out. The same thing happens to other weak signals, which harmonic is actually (its on an offset carrier wave).

I just read of a man who built an improved antenna and put this in his attic and received ABC channels quit well. A decent understanding of Antenna physics is required, but it only took up 1.5m wide by .8m (sic) long. In a nutshell he improved his basic antenna by building his own more sophisticated antenna.

Shopping around and asking in the shops should get you an antenna add on that will work for you.

As I stated before I live in the US, and we don't have this, but I and others here at fixya have various experience in amateur radio.

I will ask a friend of mine who lives in Australia to confer with me on this problem of yours so he can add some value to our response to you.

Regards,
Worldvet

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