Question about Hitachi P50H401 50 in. Plasma HDTV

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My hitachi hdtv suddenly stopped receiving hdtv channels over the air. it received them for about 2 months them stopped . the signal strength for the digital channel is usually arround 75-78. i receive the channels over the air.

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  • Anonymous Mar 25, 2009

    I have a Mitsubishi WD-52725 HDTV that worked fine and received all the digital channels in my area (San Diego, CA.) after I rescanned the after the transition with a $20 set of rabbit ears. Last week I lost all digital reception and tried rescanning with no success. I bought a new $50 hdtv antenna but nothing changed I get only some analog channels that haven't converted yet or channels from Mexico. Any ideas as to why I lost digital reception?

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Have you checked your aerial is connected? It may be necessary to do a manual re-scan. Make sure you choose the option to 'replace' current channels.

Posted on Mar 28, 2008

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Cable in my area has switched to digital cable. I own a Hitachi HDTV about four years old. When I scan my channels it will only scan analog channels...the digital channels are an option but I don't...


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.

Retrevo has the manual for this Hitachi TV here: http://www.retrevo.com/support/Hitachi-65F59-TVs-manual/id/371ci977/t/2/ . You will need to enter a code to access the PDF.

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.

I wish that I had better news for you.

Cindy Wells

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1 Answer

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Is the antenna the correct one for your environment? Do you have the antenna pointed at the stations you want to receive? Use antennaweb.org or tvfool.com to get an idea of the location and likely channels you can receive at your location. Antennaweb assumes an outdoor antenna but is very conservative in the list of channels you can receive. (These may match the limits of the indoor antenna.) TVfool lists the stations and the appropriate antenna that will likely receive each station.

Tall trees and buildings will block the signal. Get the antenna as high as possible. Move the rabbit ears and UHF loop to maximize your signal strength. Then make sure the TV is set to use the OTA tuner (ATSC for digtal stations). (That may mean changing the source in the setup menu.)

Then scan for channels. Move your antenna or parts of it and rescan or edit the channel list. (For some TVs there is a weak signal setup option that will let you manually enter the station number (including sub-channel). Then it will provide the signal strength information as you move your antenna.)

I hope this helps. An amplifier may help you bring in weak stations with enough signal strength for the tv to see them.

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