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HDMI cables give no picture they say check signal cable

I had a problem with my tv but it was fixed by one of your experts -welcomejee. It can be found under generic problem for all Flat Panel Televisions ''I have a Samsung lns469dx-xaa. Basically I had no picture but only sound and had to replace my T-con/LCD controller board.
After I did this I plugged in the HDMI cable and got great picture and noticed it would come and go and I had to play with the cable in the back until I finally got it right.
I went to the store to pick up a shock protector for the tv and cable box and when I came back the hdmi cable did not give me any signal. It said check signal cable or no signal. I checked both ports but still no luck.
I called the cable company and they troubleshooted over the phone with me but still to no help with getting a picture through the cable. So the cable company sent over a tech to see if it was the cable box or my hdmi cable. The tech said the box was fine so it must be my hdmi cable. I can watch tv through the audio/video cables but why do that if you can watch it through hdmi cables.
So on Friday I went and bought a new cable and tried it out. Still the same thing. In both ports it says check signal cable or no signal. Can someone please help me so I can finally fix this tv once and for all.

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  • 2 more comments 
  • rdheb Nov 15, 2009

    To Rylee,

    Thank you for your prompt attention to my issue. I tried both of your suggestions but to still no avail. The tv was not in closed captioning mode. Let me tell you what I did to make sure I followed your instructions correctly.
    Since I could not access the closed captioning mode via the hdmi signal cable (because it was not an option that was highlighted since there was no program being broadcasted) I used the white, red, and yellow cables to go to AV 1 and was able to get a picture with sound. I checked to see if it was on the closed captioning mode and it was not.
    I tried the next suggestion you had. I ran the hdmi cable from the cable box (PVR- even though I don't have digital video recording as an option on it) then to the tv. I then muted the tv. I then ran the red, white, and yellow cables from the cable box to the tv. After that I still got nothing through the hdmi input when I switched to it from av1. It said checking for signals, no signal.
    I also noticed that nothing was picked up now through my hdmi 1 port but could only use my hdmi 2 port. Do not know why that is happening now. Please offer any other solutions if you have them or correct me if I did not follow your instructions to the t.

    Thank you,

  • rdheb Nov 18, 2009

    To Rylee,

    I have a lot of questions for you so please be patient with me, thanks.

    I looked at the ports of the HDMI and saw that the HDMI 1 was loose. I was able to take it out and plug it back in. It looked like the soldering wore off. I took the whole board to a tv repair shop and the man who worked there told me they do not fix boards there. He told me if I wanted it to work again I would have to buy a new board but suggested I do not. He said the soldering was definitely off from the HDMI 1 source. He also asked what cable service I used and suggested after telling him what service I used to just use component cables and they would give me the same quality as the HDMI cable.

    Question 1
    Do you agree with the suggestion of component being the same quality as HDMI? (I was told you would really have to look close to tell the difference.)

    Question 2
    I just bought a PS3 with the blu-ray player. Will I be missing out on anything if I go component over HDMI?

    Question #3
    I saw that if you go 1080 P you should use HDMI for blu-ray. Can you tell with the model of the tv I have would I have to go HDMI?

    Questions #4 and #5
    I see that there is something called DVI out there. I see on the back of my tv that it says pc in but no DVI labeled component. So my question is if my HDMI is shot can I use the pc in cable for DVI and get a cable that is DVI to HDMI and get the same quality picture as if I was using HDMI to HDMI?

    Question #6
    I saw that you would want to use a more expensive (shielded cable) if your distance is long from your tv to your cable box/PS3. I have a distance of about 13 feet. My question is do I need to spend money on more expensive cables like monster or can I get away with a different less expensive brand?

    Questions #7 and #8
    The guy at the repair shop said that the HDMI port 1 connection looked fine it was just that it came loose. If i re-solder it any chance of me getting my HDMI back? What if I buy another HDMI port and resolder that to port 1 any chance of that getting the HDMI back?

    The thing is the whole board cost $260.00 and I am looking for a way around that. Also I am looking for the best quality I can get for the hardware I have. If there is not going to be that much difference then I can use the component cables over the HDMI cables but please steer me in the right direction. Thanks a lot and sorry for all the questions.

    Erik W. W.

  • rdheb Nov 19, 2009

    To Rylee,

    I know I sent you a lot of questions so I will be patient. Please let me know if you are working on them or do I need to send them in as another post?


  • rdheb Nov 20, 2009

    Rylee was very helpful and walked me through everything. I really appreciated Rylee's help. Thanks a million!



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Thanks for using FixYa. Due to two things that will cause the no signal message to come up are, no data available for closed captioning and a weak signal input. Your TV is in the Closed Captioning Mode. To turn off simply bring up the on screen menu and scroll down to the part that says closed captioning and turn this function off! With the closed captioning block displayed and the program being viewed is not sending out closed captioning signals the TV will display, No signal!

If this doesn’t resolve your issue then the problem may be with the processor failing and it is causing a random read of the EPROM to display the no signal message.

I’ll suggest you to run the HDMI from the PVR (personal video recorder) directly to the TV (mute the TV), and then run the optical audio from the PVR directly into the receiver's optical in. The closed captioning is something that is addressed in analog broadcasts, but not necessarily the digital broadcasts.

Try using Component cables if this doesn’t make a difference. After using components cables your issue will be resolved.

Please do accept the solution if the issue is resolved or else revert for further assistance.



Posted on Nov 15, 2009

  • Rylee Smith
    Rylee Smith Nov 15, 2009

    You followed the instructions correctly, unfortunately the HDMI 1 port has gone faulty and the whole whole tuner board will need to be replaced. However, before replacing it you can make sure that HDMI port 1 internal connections are fine.

    Please do accept the solution if the issue is resolved or else revert for further assistance.


  • Rylee Smith
    Rylee Smith Nov 19, 2009

    Hi Erik

    Sorry for answering your
    questions so late due to my other pre-occupations. Answers to the questions are
    as under:-

    No. Because on some models component cable do much
    better than HDMI and vice versa.

    As mentioned above, please try both one by one and you’ll
    be able to see the difference.

    Same as above. But it is not certain.

    4.&5. Yeah, you are right.

    It will be useful and economical to choose and use less
    expensive brand.

    7.&8. Yeah, sure after re-soldering you’ll get the
    HDMI back.

    The gist of knowledge never ends.
    However, you’re going in the right direction and I hope this will resolve the
    issue you are facing with. You should not feel sorry. Rather it is my pleasure
    to keep the gist subsidized.

    Please do accept the solution if
    the issue is resolved or else revert for further assistance.





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