Question about Hitachi 42HDS69 42 in. Plasma Television

2 Answers

Black screen for HDTV channels -- but TV menu and DVDs display normally

We've had our Hitachi 42" plasma for almost two years and it's worked great. But a few weeks ago, it stopped displaying over-the-air HDTV channels. It seems to think it's still displaying them--it shows the channel numbers when you flip through them via the remote, and it shows SD channels (and DVDs work/display fine). I checked the signal strength in the TV Menu -- all channels are 95% or higher strength. I got a new HD antenna, no change. I reset to factory settings, had the TV rescan for channels, etc. Obviously the display is working, but somehow it's not displaying the TV signals that it is receiving. Any suggestions?
thx Dave

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  • DTSch Aug 01, 2008

    Still looking for help. I've poked around in the onscreen menu and can't find anything that fixes it.

  • DTSch Aug 03, 2008

    Well, I feel dumb, but that fixed it. Thanks!

  • Anonymous Mar 26, 2014

    I can't get any channels on my bt vision, have tried scanning for channels , my aerial works but it says i have no signal strength, the night before there was thunder and lightning.

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Try hard reset, Please unplug the tv cables and power cables for 30 min and redo the cable and check its working ....




Good luck...

Posted on Aug 01, 2008

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SERVICE MENU SETTINGS
All system, geometry and white balance alignments are performed in production service mode. Before
starting the production mode alignments, make sure that all manual adjustments are done correctly. To
start production mode alignments enter the MENU by pressing “M” button and then press the digits 4, 7,
2 and 5 respectively. The following menu appears on the screen
There are 3 submenu in service menu. These are display, calibration and deinterlacer menus. Press
“◄/►” buttons to select a menu title and then “▲/▼” buttons to select a menu item and “◄/►” or “OK
buttons to set the menu item to the desired option. To exit the service menu press “M” button.
Entire service menu parameters of Plasma TV are listed below.
13.1. display menu
By pressing “◄/►” buttons select the first icon. display menu appears on the screen
blank color
By pressing /. button, select blank color. Press ./. button to set the blank color. The options are:
black, red, green and blue.
panel
Displays panel resolution
power on time
Displays total working time of the set
backlight on time
Displays total backlight on time of the set.
calibration menu
By pressing “◄/►” buttons select the second icon. calibration menu appears on the screen.
color temp
By pressing /. button, select color temp. Press ./. button to set the color temperature. The
options are: 5500K, 6500K, 7500K, 9300K and user.
user color temp
factory reset
By pressing /. button, select factory reset. Press “OK” button to return to the factory setting values.

Posted on Aug 01, 2008

  • LORETO LACARON
    LORETO LACARON Aug 01, 2008

    Resetting the TV







    If the
    buttons on the remote AND the buttons on the TV case do not work (channels do
    not change and you cannot open or navigate the menu), the TV has stopped
    responding. Reset the TV as follows:












    NOTE:




    Some TVs have a reset
    button. If available and accessible, try using the reset buttons before
    using the steps below. Using the reset buttons can save time.





























    1.
    Unplug the TV
    power cord from the power outlet.








    2.
    Unplug any
    connected devices (DVD, Set-top boxes, etc...)








    3.
    Press and hold
    the TV power button for five seconds.








    4.
    Plug the TV
    power cord back into the power outlet and turn on the TV.








    5.
    Open the
    on-screen menu to confirm that the TV is responding again.








    6.
    Turn off the TV
    and reconnect the devices.








    7.
    Turn on the TV.









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