Hitachi 55HDM71 - 55" Plasma Panel User Manual (English)

Questions and Answers:

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erikedwardsJul 29, 2025
What to do if my Hitachi Monitor displays 'No Sync Signal' or 'Power Save'?
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  Christian GoldenJul 29, 2025
  If your Hitachi monitor displays 'No Sync Signal' or 'Power Save', and the power indicating lamp lights up in orange, it means no sync signal is being detected. First, check the signal cable connection. Also ensure that the computer or imaging equipment is turned on and not in power-save mode. Finally, verify that the input selection matches the connection terminal.
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Sean DuncanAug 2, 2025
How to fix a Hitachi 55HDM71 - 55" Plasma Panel Monitor with no picture and the power light off?
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  Stacey HallAug 2, 2025
  If your Hitachi monitor shows no picture and the power indicating lamp is off, check the power cable connection. Also, make sure to press the power switch.
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Kenneth OwenAug 6, 2025
What to do if my Hitachi Monitor has power but no picture?
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  James PattonAug 6, 2025
  If your Hitachi monitor's power light is on but there's no picture, check the contrast and brightness settings, adjusting them for higher contrast and brightness. Also, verify the signal cable connection.
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Kyle NashAug 10, 2025
Why does my Hitachi 55HDM71 - 55" Plasma Panel Monitor say 'Invalid Scan Freq'?
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  Jimmy HughesAug 11, 2025
  If your Hitachi monitor displays 'Invalid Scan Freq.', it indicates that an input signal is not being received normally. Verify that the input signal matches the monitor specifications and check the signal cable connection.
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jennifer00Aug 15, 2025
How to troubleshoot a Hitachi 55HDM71 - 55" Plasma Panel remote control that isn't working?
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  Hunter AcostaAug 15, 2025
  If the remote control for your Hitachi monitor isn't working, check if the batteries are loaded in the correct direction. Also, ensure that the batteries in the remote control are not depleted.
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nicole81Aug 19, 2025
How to fix blurred text on a Hitachi Monitor?
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  Brian CollinsAug 19, 2025
  If text appears blurred or a fine pattern flickers on your Hitachi monitor, adjust the dot clock phase for the clearest viewing. (RGB input)
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ghaleAug 23, 2025
How to correct a slanted display image on a Hitachi 55HDM71 - 55" Plasma Panel?
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  Andrew CummingsAug 23, 2025
  If the display image appears slanted or text is vertically streaked on your Hitachi monitor, adjust the dot clock frequency and phase. Adjust the dot clock frequency first, then the dot clock phase. (RGB input)