Question about LG LH-W750TA Theater System

4 Answers

I have LG DVD Player with surround sound system model number LH W750 TA For some reason I cant get the film on the TV and just shows "No Signal" on the TV but the sound plays. I have tried to make changes but can't get image including the setup details to show on the screen.

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  • 6 more comments 
  • chris_bamfor Mar 26, 2011

    The TV is a LG 42LY3DE and was working with the current connections and setting 2 days ago.

    I have a DVD that I wanted to play but wouldn't work so I tried to to re-tune the DVD to the TV. When I did this the TV screen went off the DVD and now shows "NO SIGNAL" on the screen. The TV is fine and works normal but cant pick up TV signal. Cables connected correctly I have checked.

  • chris_bamfor Mar 26, 2011

    I have checked all the connects and they are all ok.

    The TV is a LG 42LY3DE - AA



    Is there any way you can reset the DVD player back to standard settings by buttons on the remote system ?

  • chris_bamfor Mar 26, 2011

    The Model is as I have advised LG 42LV3DE - AA
    The Cables are the 3 single cables with the RED, WHITE sound cables and the YELLOW picture cable.
    This was working correct 2 days ago but after trying to alter the settings on the DVD to take all DVD styles, the screen went blank except the "NO SIGNAL" symbol.

  • chris_bamfor Mar 26, 2011

    Problem with LG LH-W750TA DVD system. Can't get connection with TV. I can't get DVD to tune into TV. Tried re-tuning TV but still no help.
    The Model of TV I have is LG 42LV3DE - AA The Cables are the 3 single cables with the RED, WHITE sound cables and the YELLOW picture cable. This was working correct 2 days ago but after trying to alter the settings on the DVD to take all DVD styles, the screen went blank except the "NO SIGNAL" symbol.

  • chris_bamfor Mar 26, 2011

    Thanks for your reply.
    What is the INPUT Number and where will I find this?

  • chris_bamfor Mar 26, 2011

    Is the Input number AV1 ? That is what I have it connected on.
    The TV as AV1 for DVD and AV2 for my WII games which are working ok.
    Not sure about the Component Cables

  • chris_bamfor Mar 26, 2011

    I will await your reply tomorrow as it's rather late here in QLD.

    Where are you working from?



    I look forward to your help tomorrow

    Chris

  • chris_bamfor Mar 27, 2011

    Hi Dan, Thanks for the email above about changing the coloured cables. On the green I could get a picture that was rotating that fast that I could barely see the image so I change the screen on the TV to have 2 screens, 1 of the TV and 1 of the DVD player. This made the image stop moving but was half the size of the TV. THis gave me chance to view the settings and make the changes and turn PBC off. that then allowed the TV to pick up the screen.
    Thank you for your help with this.
    Regards
    Chris

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My lg DVD surround system doesn't play DVDs when I close it to play the DVD it says it is reading it then it pops open again I try to close the DVD to try again but all it does is pop open again please help thank you

Posted on Jun 09, 2013

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  • LG Master
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Hello
Will you please descricbe me about the brand name of TV you were connected to this LG theater system and the how did you connected them in between. I means, the connections from LG Home Theater to TV; that you have given now, which displays "No Signal". Without these details, it is not possible to post a solution to this problem. Please provide these to me by Fixya. OK.

Posted on Mar 27, 2011

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  • Master
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The typical reason for the "no signal" message is the incorrect input selected. First, verify the input number that you have connected into the TV. Verify that the TV has that input selected. Next, verify that the DVD output is actually directed to the correct OUTPUT on the DVD. I think that this unit has a component output. Verify that the component cables (RGB) are connected to the corresponding inputs on the TV. The green one is the most important as it carries the "sync" pulse of the signals and the TV won't recognize a signal without it.

If all of the above are correctly connected and set, then additional experiments will be necessary using an alternative device. If you have a VCR, run a cable from the yellow video output to the green input of the component input section. You should see a green picture on the TV if the correct input is selected. If not, then there is a problem with the TV set.

Please update this with the results of the above.

Thanks,
Dan

Posted on Mar 26, 2011

  • ABRsvcs Mar 26, 2011

    I was just able to see your other postings and that adds some info.

    1) You have the unit connected using what is called composite video (yel).
    2) It is possible that the DVD section has been converted to component output which would prevent the yellow output from working.
    3) Verify #2, by using a standard VCR and the yellow cable. If you get a picture with no other changes, then the DVD is not sending out the composite video. This can be either a setting or a defect in the output circuit.
    4) If the DVD has a component output section, connect the green output to the yellow input on the TV. If this produces a green picture, then the DVD is in component mode and needs to be set to the composite output. The manual for the DVD should indicate how to do this.

    Keep me posted,

    Dan

  • ABRsvcs Mar 26, 2011

    One other possibility has come to mind. Sometimes the codes that allow all DVDs to play change the default mode from NTSC standard to PAL. A regular TV in the USA will not detect a PAL signal and result in the message you see. Check the manual to see whether or not the unit can be set to play PAL type DVDs as well.

    Dan

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  • Master
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Hi Chris,

The likely reason is that it's not connected to the TV correctly or the wrong input/source on the TV has been selected. The same audio inputs sockets can often be used for multiple video inputs or you may also have connected the audio cables to an audio input that does not relate to the video input you've used.

There are one or two other possibilites as well, but I really need to know the model number of your TV and the type of cable you are using to connect the DVD to the TV.

Please try all of the inputs on your TV and if you need further assistance, please let me know the model number of the TV and the type of cable you are using. You can reply to me by clicking on "Add a Comment" below your question.

Regards,
BElectric

Posted on Mar 26, 2011

  • 4 more comments 
  • DILLIGAF
    DILLIGAF Mar 26, 2011

    Thanks Chris. I still need to know which type of cable you are using as this determines which settings are correct on the TV and home theater and it will help me to identify the cause of the problem.

  • DILLIGAF
    DILLIGAF Mar 26, 2011

    Chris - I'm not questioning whether the connections are OK, but I can't help you if I don't know how the DVD player is connected to the TV. The type of connection used determines everything else.



    Everything you've said indicates this is an issue with the TV, not the DVD player. Please can you let me know how they are connected. Thanks.

  • DILLIGAF
    DILLIGAF Mar 26, 2011

    Thanks. Give me 10-15 minutes to check a few things and I'll get back to you. You will need to click on "View more Comments" below this message to see further messages from me.

  • DILLIGAF
    DILLIGAF Mar 26, 2011

    Hi Chris,



    Still trying to find a way to reset the player to factory defaults, but hopefully that wont be necessary. Please run through this checklist in the exact order listed below as this may solve the problem without resorting to resetting the player.



    1. Check the TV is on the correct INPUT:



    - Press the INPUT button on the TV remote to open the input list. (Use the button above SIMPLINK, not the INPUT D/A button.)

    - Use the DOWN arrow to select AV1 or AV2 (depends which sockets on the TV you are using), then press OK to select.



    2. Make sure Progressive Scan (P-SCAN) is switched OFF on the DVD player. The composite cable (RED/WHITE/YELLOW) you are using will not support P-SCAN.



    - Switch the player ON

    - OPEN the disc tray, (remove any disc) and CLOSE the disc tray again

    - When the NO DISC message appears on the display, press and hold the STOP button on the front of the player for at least 5 seconds.

    - Insert a disc and play it. Check the AV1 and AV2 inputs on the TV again, as above.



    Please try this and let me know if you are still unable to play a disc or get the DVD setup menu on the TV screen. In the meantime, I will try to find the factory reset method for this player.

  • DILLIGAF
    DILLIGAF Mar 26, 2011

    Did you switch P-SCAN off? As you've asked for assistance from another expert, I would advise you to answer questions that are asked rather than assume you know what the problem is. If you knew what the problem was, you wouldn't be asking for assistance. Good luck. BElectric.

  • DILLIGAF
    DILLIGAF Mar 26, 2011

    You're not using COMPONENT cables, you're using COMPOSITE cables. Have you switched P-SCAN off?



    There is no factory reset on this player from either the remote, the menus or the player itself.

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