Can't get cable channels on Haier HLT71
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Can't get cable channels on Haier HLT71


This is a discussion on Can't get cable channels on Haier HLT71 within the Mobile DTV forums, part of the category.

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  1. #1
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    Can't get cable channels on Haier HLT71

    I just purchased the Haier HLT71 a few weeks ago. It works great using the external antenna for over the air channels, but when I try to hook it up to cable, I can't get anything. I'm going into the menu, making sure the antenna setting is set to CATV and then doing the auto scan for channels. During the scan, it looks like it's finding channels (the "RF CH" and "Found" numbers are increasing). However, once it's finished scanning, I can scroll through the channels it's found and I don't get any picture or sound on any of them, just a black screen. Anybody have any idea what's wrong? I've even hooked it up to a cable that was attached to another TV and it does the same thing, so I know it's not the signal or the cable that I'm using. I have Verizon FIOS if that makes a difference. Thanks so much!

  2. #2
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    Depends on the type of cable you have. Do any of the TVs. In your house run off of your Verizon Fios without a set top box? Or all of them connected to a set top box?

  3. #3
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    I have a couple TVs connected to set-top boxes, but one TV that's not. It just has the cable running directly from the wall into the back of the TV. That's the cable that I disconnected and tried connecting into the Haier to see if I could get it to work. No luck.

  4. #4
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    Quote Originally Posted by dmwiecz View Post
    I have a couple TVs connected to set-top boxes, but one TV that's not. It just has the cable running directly from the wall into the back of the TV. That's the cable that I disconnected and tried connecting into the Haier to see if I could get it to work. No luck.
    hmm, it should work. Just a dumb question here, but you are trying to connect to the coax input of your Haier right? Is there a "cable mode" maybe that you need to switch to? On my TV at home, I have to switch the TV between cable and air for over-the-air.

  5. #5
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    I'm stumped too. Yes, connecting the cable to the coax input and I have it switched to cable TV mode (CATV) before I do the auto search for channels. Like I said, it's weird because the TV is saving certain channels into it's memory, as if it's picking up a signal when it does the auto scan, but then there's no picture or sound on any of them. I suppose it's possible I have a bum unit, but it seems weird that the audio/video are okay when I just use the antenna for over-the-air broadcasts. Any other ideas?

  6. #6
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    Got clear QAM?

    Carefully check the HLT71's instructions for any reference to a "clear QAM" tuner. It needs this feature to decode unscrambled cable channels. If it doesn't have clear QAM, it can't tune cable channels. I searched online for specs on that model and found references only to ATSC (digital broadcast) and NTSC (analog broadcast) tuners, which differ from the QAM standard used by cable systems.

    The HLT71 appears to be strictly a portable tuner -- portability which goes out the window, of course, when the little TV is tethered to a cable. Unless the instructions say otherwise, my hunch is that it may not be designed to do what you want it to do. Sorry.

  7. #7
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    Quote Originally Posted by Don_M View Post
    Carefully check the HLT71's instructions for any reference to a "clear QAM" tuner. It needs this feature to decode unscrambled cable channels. If it doesn't have clear QAM, it can't tune cable channels. I searched online for specs on that model and found references only to ATSC (digital broadcast) and NTSC (analog broadcast) tuners, which differ from the QAM standard used by cable systems.

    The HLT71 appears to be strictly a portable tuner -- portability which goes out the window, of course, when the little TV is tethered to a cable. Unless the instructions say otherwise, my hunch is that it may not be designed to do what you want it to do. Sorry.
    Hey Don, I thought you only needed a QAM tuner to get HD channels?

  8. #8
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    Quote Originally Posted by Aaron62 View Post
    Hey Don, I thought you only needed a QAM tuner to get HD channels?
    No. You need QAM for all digital cable services whether HD or SD.

  9. #9
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    Thanks for everybody's help so far.

    Well, you're right in that there's nothing on the box or in the instruction manual that mentions a QAM tuner (although the instruction manual is pretty poor - as if it was translated from another language).

    What confuses me still though is that if you look up the TV on Amazon and search the reviews for "cable" or "qam," there seem to be plenty of people who have gotten it to work as I'm trying to do. Now some of the people that talk about hooking it up to cable may be using cable boxes and not mentioning it, but some explicitly mention that they're not using cable boxes.

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    Quote Originally Posted by dmwiecz View Post
    What confuses me still though is that if you look up the TV on Amazon and search the reviews for "cable" or "qam," there seem to be plenty of people who have gotten it to work as I'm trying to do. Now some of the people that talk about hooking it up to cable may be using cable boxes and not mentioning it, but some explicitly mention that they're not using cable boxes.
    Wonder if some cable carriers would broadcasting their signals that didn't need a QAM tuner somehow? It's confusing to me too because I thought that QAM was only needed for digital signals not analog.

  11. #11
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    Well, I took the Haier to a friend's house who has Comcast cable, hooked the cable up directly from the wall to the Haier, did the search for channels and it worked just fine! So I guess my problem has something to do with Verizon FIOS vs. cable. Maybe a QAM tuner is needed for FIOS, but not for cable? Can anybody confirm this? Also, since I'm now apparently in the market for a different small TV, does anybody know of any small (10" or less) TVs that have a QAM tuner? Thanks for everyone's help so far!

  12. #12
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    It does receive FIOS channels

    I have the same unit, and I thought it had that issue, but then I tuned up to some of the middle channels that it detected, and there were the working channels. For example, on FIOS here, on the HLT71, I can receive SD channels 63-1, and about 8 other 63-x channels, then 65-3 and 7 other 65-x channels, and there were a number of other channels above those that I could get, including the HD versions of some of the channels.

    Also note that it looks like you have to manually change the zoom between wide and normal depending on the type of content a particular channel has: It doesn't automatically adjust.

  13. #13
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    Well, that's interesting. So you have FIOS and you have the cable running directly from the wall into the Haier - you're not using a cable box of any kind?

    Unfortunately I already returned the TV since it seemed it wasn't going to meet my needs, but maybe I need to buy it again and re-try. I'm almost positive I never scrolled up that high into the channels. I just started down at the lowest channel and scrolled up to maybe the mid-teens. Thanks so much for the info.

  14. #14
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    Just occurred to me that I do have one other TV at home that's connected to FIOS without a cable box (19" Toshiba). I did scroll on the Haier up to a few channels that I get on the Toshiba, because I assumed the channels the 2 TVs picked up would be the same. Now I'm wondering is it even possible they'd pick up different channels? Not sure why that would be. Then again, doesn't make sense that ecarlson would get FIOS channels on the Haier and I wouldn't (assuming he/she's not using a cable box). Any thoughts?

  15. #15
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    Yes, I have the Haier connected right to the FIOS cable, with no cable box. I don't like how it detects tons of channels that it can't decode. It will take a very long time to go through and delete all the channels that it can't display so that I can more easily switch among the channels that it does display. I also have another TV that I had connected directly to FIOS, and it only listed the channels that it was actually able to display, which is much more user-friendly.

    I'm thinking of returning the Haier, because I don't like how it handles FIOS channels, I don't like the sound, it doesn't automatically set the aspect ratio based on the channel's resolution (nor even at least remember the setting I entered for each channel), the viewing angle is not very good, the picture isn't displayed as well as I'd like: It looks like not-so-good digital processing is used to display the video, and I think (but I'm not 100% sure it is the cause) it might give me a headache when I watch it.

    Also, it doesn't receive OTA channels very well, even when I attach my Silver Sensor antenna to it. My Zenith and Artec converter boxes receive a lot more channels on the same antenna.

    - Eric, www.InvisibleRobot.com

  16. #16
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    Quote Originally Posted by ecarlson View Post
    I'm thinking of returning the Haier, because I don't like how it handles FIOS channels, I don't like the sound, it doesn't automatically set the aspect ratio based on the channel's resolution (nor even at least remember the setting I entered for each channel), the viewing angle is not very good, the picture isn't displayed as well as I'd like: It looks like not-so-good digital processing is used to display the video, and I think (but I'm not 100% sure it is the cause) it might give me a headache when I watch it.
    One thing about it if you return it, there are a bunch of other units in the market now. You might want to wait until the new mobile standard ATSC-M/H - MDTV comes out in the next month or so too which I'm sure will come with a QAM tuner (at least optional).

 

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