LG 42LG30 42 in. LCD HDTV Logo
Uriel Restrepo Posted on Oct 21, 2015
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Not receiving cable signal

My TV display no signal from CATV cable The video from DVD player works OK Could be the video board problem?

1 Answer

Michel Laprise Sr

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  • Expert 339 Answers
  • Posted on Oct 21, 2015
Michel Laprise Sr
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Joined: Dec 11, 2010
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If the video from your DVD player is good, it suggests that your problem is not the video board! Have you swapped the cable coming in with a "known" good one? Also, have you got your source selection set for DVD player still, and not CATV? That's all I can suggest with the info. available. Hope this helps!

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DVD input to HDMI 1 have no signal (displayed by receiver) , check source was OK by connected direct DVD/BD bluray player to TV. Cable HDMI input was OK, HDMI out from receiver to HDTV was good. What's...

Some Onkyo receivers are known to have HDMI issues (it has faulty capacitors). The first thing to do is to reset the receiver.
To reset the AV receiver to its factory defaults, turn it on and, while holding down the [VCR/DVR] button, press the [ON/STANDBY] button (see page 96 of the manual).

If that doesn't work it will have to go in for repair to have the HDMI board replaced.
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My dvd player appears to be working - the disk is in place and the numbers advance as if it is playing - but all the tv screen displays is No Signal. I've talked to a Comcast tech and the problem doesn't...

Make sure your TV input source selector is set to the correct option (Video 1, Video 2 or Rear Video Connection or whaever the options are for your TV) when you want to play a DVD.

Try using the DVD player on a different TV to see if the DVD player is working OK.

Then try a different DVD player hooked up to your TV to see if your TV is set up OK.

You can also try using a different set of cables just in case the cables are faulty.

Try using an S-Video cable from your DVD player to your TV (if they both have those connections)and see if you get any signal that way.

When you are testing, be sure to check the sound on your TV to see if you are getting any audio signal from your DVD player.

By carrying out these troubleshooting procedures you should be able to narrow down exactly where the problem is and then fix it.
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It's staying on 480i sd why not 1080i

There's only one way to get that TV to switch from 480i (which is an SD or Standard Definition signal) - that's to provide it with an ED or HD resolution signal (a 480P signal is often called ED or Enhanced Definition while 720P, 1080i and 1080P signals are called HD or High Definition).


steve_con_14.jpg
The old standard yellow composite video cable.
.
You will not get ED or HD signals through the old composite RCA phono jacks (usually yellow in color), either. You'll need to use an RGB (red, green and blue) component video cable, HDMI cable, DVI, or other type supported by both your TV and the video source (CATV box, Blu Ray disc player, Satellite converter, etc.). More on this, later.
steve_con_15.jpg
RGB cable.

steve_con_16.jpg
An HDMI cable - this provides Digital audio signals, too.
.
steve_con_17.jpg
A DVI cable.
.
First, you'll need a source capable of sending ED or HD signals. This can be a progressive scan DVD, Blu Ray player, HD Cable or Satellite converter, or a simple TV antenna. Not all DVD players are capable of the 480P progressive scan output - it must be labeled as such. The DVD movies are not labeled progressive scan as they all will play back at 480P if played in a DVD player capable of progressive scan, otherwise they play at 480i. A stand alone Blu Ray player or one in the Sony PlayStation 3, the older HD-DVD in the Xbox360, (it is important to note that the Nintendo Wii can output either 480i or 480P signals only when connected with their special component video cable), "set top boxes provided when you choose HD service from your local cable provider or satellite TV provider are the main sources for signals better than 480i. As mentioned above, the old standard yellow video jack is not capable of supporting signals better than 480i. You must use the HD jacks and cables between to get these signals into your TV.
steve_con_18.jpg
The Wii 480P cable assembly - includes stereo audio, too.


Lastly, if your TV has an ATSC tuner (it is not uncommon for it to have an NTSC tuner and CATV tuners as well), you can input a UHF antenna directly into the the antenna terminals on the TV. Broadcasters in most areas have been moved into UHF bands - but some areas have one or two that operate in the VHF bands still. Check antenna web for information and help selecting antennas and broadcasters in your area. The nice thing about the antenna method is that no other cables, converter boxes, etc are needed to enjoy HD signals - plus - they're free!

Just remember you need a source capable of ED or HD signals and a way to get those signals to your TV. The yellow composite cable is from days ago and only passes 480i signals.

I hope this helps and good luck! Please take a moment to rate my reply - thanks!
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Im trying to connect my unit to my tv to record shows and i having trouble doing so please help i am hooking it up wrong

For OTA or CATV signals, you need to daisy chain the coax from the source (antenna for OTA) to the coax input on DVD recorder and then the coax out to the coax input of the TV. If you have a set-top cable box with an incoming CATV signal, it should be connected between the DVD recorder and the TV.

The unit can tune in and record 480i (SD) ATSC (OTA digital), NTSC (OTA analog), analog CATV and digital CATV channels.

A satellite receiver or a non-CATV cable box should get the incoming signal first and then have their composite video output (A/V) connected to the DVD recorder composite video input and then their coax (RF) output (if present) gets connected to the TV. For these, you would record from the IN1 or IN2 (press Select Input) instead of selecting a channel. Then connect the composite video out on the recorder to the TV's composite video in.

Digital signals are either enough to tune in or give no signal. So check that your antenna is correctly oriented for OTA.

Separately, you can connect the video signal when playing DVDs via composite (good signal) out and component out (better signal) out to the TV's matching input. For the component video, the sound is carried on a separate cable. Then set the TV to the input source.

In the case of wanting to watch a VHS tape while taping to a DVD, do not use the Component video source, set the TV to Input 1 (composite).

I hope this helps.

Cindy Wells
(you can get a copy of the manual here: http://tv.manualsonline.com/manuals/mfg/panasonic/dmrez47v_dmrez475v.html )
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No HDMI Output

My configuration:
ZONE 1 (living room)
DishNetwork Dual Tuner DVR Tuner 1 [S-Video out] -> [S-Video in] ONKYO TX-SR875 [HDMI out] -> [HDMI in] Sony KDS-60A3000 rear projection TV

ZONE 2 (living room)
DishNetwork Dual Tuner DVR Tuner 2 [Composite Video out] -> [Composite Video in] ONKYO TX-SR875 [Composite Video out] -> [Composite Video in] Samsung AQUOS LCD TV

Problem:
ONKYO receiver stops sending video signal to my ZONE 1 Sony TV through the HDMI connection. ZONE 2 may still receive video. (NOTE: the issue might be related to the upconverter circuitry?)

Symptom:
I couldn't see any video, but I could hear the Tuner 1 audio through my ONKYO. An important clue is that I couldn't see ONKYO's on-screen display menu on my TV when hitting the [Setup] button on my remote. But, I could see my TV's Sony-based menus and display options.

Solution:
1. Put all ZONES in Standby mode using the remote. Hit these buttons on remote: [Receiver], then [Standby]. [Receiver], [ZONE2], then [Standby], [Receiver], [ZONE3], then [Standby]. You should NOT see any lights on the ONKYO except maybe one red led near the power button.
2. Pull the power plug out of the back of the ONKYO, and leave unplugged for 20-30 seconds. Turning off any power center it is connected to isn't enough. You MUST unplug the power from the back of the ONKYO for 20-30 seconds.
3. Reconnect the power cord to the ONKYO.
4. Using the remote, set ZONE1 to a video source known to be working. If you don't see video, try leaving the power cord off for a longer period.

I know it sounds too simple to work, but that's what brought the video back for me the few times the video stopped displaying. Hope it works for you.
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Could well be the quality of your cables. if you have high end cables the consult a service agent. if you have the cables that came with the products, go and get some better ones.
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