Hitachi HDTV "no sound" or "no audio" OTA channels *SOLUTION*
I am actually just posting this, for anyone else searching for OTA audio issues on *some* (not all) HD broadcasts:
Check your TV settings for the firmware version. For a Hitachi 50VS69A / 55VS69A / 62VS69A, this is found from the remote: "Menu-->Setup-->Reset the Software". The MMC version will be something like v.0102.0001.
As of now, Feb 2009, I just upgraded to v.0109.0001.
You will have to go to the Hitachi website and email their tech support. They will send an MMC card, instructions, and a return envelope. You put the card in the back of the TV, turn it on, drill back down the menu, and select to upgrade. After that, you unplug the TV, remove the card and send it back to the Hitachi mothership.
Also, in my search to find a solution, I found only one post somewhere, which mentioned upgrading the firmware--something I would have never thought to do on a television. So, I'm throwing another post out here, in the hopes that the idea helps someone else.
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A very well written question and I think you have provided your own answer.
this set uses a antenna switching assembly and they do fail. It could also be a bad tuner--note that the other owner got blu ray and such on it which are not via the coax fitting.
If your box has audio/video output jacks (like the blu ray) connect them to one of the rear audio/video inputs on rear of set and select that input on the set---box will then be used for channels but connection will not be via the coax but via that input.
If the box does not have those outputs get another--most providers do not charge for a box with those outputs on it.
If works you are just bypassing the tuner where your problem seems to be---those antenna networks are no longer available from Hitachi.
If set is Hitachi 60V500 and speakers are turned on, speakers are good and still no sound from internal speakers you have a audio circuit problem==this model is part of a class action lawsuit for another issue....
Unfortunately, you need a set-top box. The Hitachi 65F59 has an ATSC (digital OTA) and NTSC (analog) tuner. It doesn't have a clear-QAM (unencrypted digital cable) tuner.
There are a few DVR set-top boxes with QAM tuners that you can buy separately. (You will need to make sure a given model is compatible with your service. FIOS uses a different option on the Cable Card than other providers.) Alternatively, you can get a cable box from your company.
If you want OTA HD, you will need to determine the correct antenna for your area and the direction to the transmitters. (External antennas pick up more stations. In some areas amplification may be needed to get a good signal.) See antennaweb.org or tvfool.com for searches on the appropriate antenna to get a signal and where to point the antenna. Antennaweb assumes an external antenna but is very conservative in the received channel list. You would need to set the TV signal input to Air and rescan for channels if you choose to go with the OTA signal.
So far as I know the HLN series does not have an ATSC tuner, thus no over the air (OTA) reception. You can probably still get a $40 coupon for an OTA ATSC to NTSC converter. Note that will NOT get you high definition (HD). With Dish you can get HD receivers that do get OTA ATSC both HD and SD. With Direct, no OTA AFAIK. With cable you would need a QAM tuner, not in your TV AFAIK to get clear channels as required for locals. Otherwise cable needs a Set Top Box for digital and scrambled channels although the standard definition (SD) non-scrambled channels work with your NTSC tuner. Too bad there seem to be no ATSC to 5-cable RCA or HDMI HD converters except Dish.
In answer to your question, you have an HD TV Monitor, which means that your television is capable of viewing high definition, but does not have an HD tuner. You will need a separate tuner or in the case of cable, a HD cable box. These are the only options that you have for viewing high definition channels. I hope this information allows you to resolve this issue. If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs UP) If you cannot rate this post with the highest rating, then please comment to this post and I will try to help you further.
Thanks FixYa...found the answer on your forum..selected PCM in the audio menu on my HDDVD player..plugged in the same HDMI cable and now have sound...saved me a bunch of money from buying a more expensive HDMI cable..Thanks again
This television has an extremely weak tuner. It is very sensitive to both ghosting (multipath) and weak signal conditions, which cause it's digital decoder to "error out". Coupled with this is the decoder's long set-up time (time to actually begin a decoded video stream after signal is selected)and you find that every time the decoder loses sync it takes several seconds to reestablish normal decoding. The net result is the possiblity that the tuner will be continually restarting and never display anything. An extremely directional antenna may help. Otherwise, find a good external tuner box and use that.