Question about JVC HD-52G786 52" Rear Projection HDTV

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When trying to watch the t.v. using cable input, it says the signal is two weak.

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  • JVC Master
  • 12,223 Answers

Follow this steps and fix it. God bless you

  • Reset component settings. Usually, the problems you encounter with a projection TV may be resolved through the resetting to its factory settings. If you experience inaccuracies in the color, reset the television's PerfectTint/PerfectColor capabilities. Simply press the Menu tab and then highlight "Perfect Color" using your right key arrow. After this, press "Enter" and then "Reset" in order to reset to factory settings. If you have audio / video problems (VCR or DVD player), simply press "Menu" and highlight the "Reset" option.
Reset television controls. In case you cannot fix your TV via its component settings, there are other ways of resetting. Just select "Menu", key in "1, 2, 3", and then press "Enter." In doing this, the TV's manufacturer's specifications will all be restored. If your TV's power system does not function, you should perform a complete system reset. You can do this by clicking on Reset System button located at the TV's control panel. Your television will be turned off and then a green light (LED) will quickly flash for approximately one minute. Once the light has stopped flashing, your TV should immediately turn on.

Posted on Jul 31, 2013

  • malcolm hough
    malcolm hough May 27, 2014

    i am experiencing these problems and dpo not have the remote from this model C97 ,what can i do ,besides wait untill i can find one,im trying with the menu and using keys but im getting same thing week signasl when i plug in HDMI and do i have to be on channel 03 for the box to work?

  • malcolm hough
    malcolm hough May 27, 2014

    where is the reset on the back or side control i dont see it on the side

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1 Answer

ERROR MESSAGE NO SIGNAL INPUT


What is your TV signal source? Press the Input button on the remote and try another input. (Make sure a DVD player or set-top box is on.) If you are on the TV input, try a different channel. Next make sure that your cables are securely connected to the TV and devices. Replace with new cables to test them. If you use an OTA antenna with a splitter, try a direct connection. (Similarly, if you have an amplifier on the signal, try a connection without the amplifier.)

For OTA or direct cable connections, try accessing the Channel Setup menu and rescanning for channels.

I hope this helps.

Cindy Wells
(I get some weak channels that give No Signal messages when the transmitter has a problem or the weather is bad. I've also had a signal splitter/amplifier fail and block specific channels by becoming a filter. The direct connection identified the amplifier problem.)

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Its possible its the signal source (cable, satellite etc) if using the coax input--the tuner in the set could even be bad.

If rear inputs for DVD etc function well you may be able to get around this with a box with outputs for those inputs on the set--bypass the problem.

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The words "weak signal" flashes on screen at different places and do not receive a picture.


seems like you are using an "off the air antenna" that receives weak signal, you may be too far from the station, go get a roof top amplifier antenna or subscribe to digital service from cable, satellite or at&t uverse. If you think your antenna is getting good signal, try to rescan your tv for available channel. Make sure your TV set up is correct, if you are using Off the air signal, your setting should be set at "Antenna or off the air", then rescan your TV. Normally on Satellite or cable box, you just watch it on video channel or component input, if you are using HDMI then tune to HDMI channel.
Check your connection to make sure they are making good contact. If you can post your set up, I can better solve your problem.
For a resource on "off the air" antenna, go to www.antennaweb.org for help.

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Screen shows no signal


HDTV sets are different from the old analog sets.

If your set is showing No Signal or Weak Signal you will have to do the following.
1) Connect an Antenna or Cable to the input on the back.
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3) Go into the Auto Program Scan menu and SCAN in the channels.

Now you can watch available channels.

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Troubleshooting vcr


Usually one connects a RF [cable tv, Dish tv, antenna ] cable to the INPUT of VCR & a RF cable output to tv (antenna )INPUT .The reason is that if you are watching TV reception (Cable, Dish, etc) and you want to watch VCR tape, just push the tape in and it should start playing picture.
From what I understand that you are trying to say:: [ YOUR NEW TV ! ] you MUST connect to the RCA jacks, CABLE S with RCA plugs that come out of the VCR to the new TV [ INPUT & OUTPUT] jacks .When you ["" use input botton on VCR remote"" ] you are using a DIFFERENT input signal. You are not letting the TV know that you are changing the signal from RF(antenna, Cable, Dish,etc)to the RCA signal ["" I use my input botton on my vcr remote""]

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"weak signal" on my RCA scenium


Hey! I have the same problem as you. But! this would happen only when I got a power outage. Unplug the TV for a couple of minutesand all was fine. For the last 5 day I have no TV. I have tried everything. All the out on the TV and I still get unusable signal. My rep told me to unplug for 24 Hours. Still didn't work. My menu option work as well and every time I put the TV on, off or if I change the input sound will come on for 2 seconde and stop. If I find the salution I will let you know. Gilles Ottawa

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