Question about JVC LT-17X475 17 in. EDTV LCD Television

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JVC LT-17X475 cant change video inputs.

This has happened before, both by buttons on the tv or by remote i cant do anything, change input channel or volume. I think there is a board loose. I want to open and look around. Could this be just a soder point or is a board bad and need replaced?

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SOURCE: JVC GM-P420E Plasma no video green screen

the problem is with the micro processor on the back of the fx-1169a board (gm-p420ug) this is the board the inputs connect to . yours may be a diffrent p/n due to yours bein a "e" extention model. to repair this problem you need to remove the processor from the socket, remove the socket from the board and solder the processor onto the board. the processor is ic002 on the back side the problem is thermal in nature due to cold solder joints on the socket. i have fixed this problem many times by using this method.

Posted on Jan 28, 2009

  • 1779 Answers

SOURCE: JVC LCD TV LT-42X688-powers on, blank screen. no picture,no sound

You most definately have bad capacitors in the power supply. try and get it repaired as soon as possible, not an expensive repair that iv'e seen.

Posted on Feb 04, 2009

  • 1 Answer

SOURCE: Blue light

Okay, I found a fix! Called JVC, spoke to somebody there, here it is:
1)unplug the TV completely, no wall no power strips, completely
2)wait 10 sec
3)plug TV back in and Turn it on, the light will still be doing the same thing
4)wait 30 sec
5)ON THE TV, not the remote, locate the menu, volume (-) and power button.
6)while simultaneously holding down the menu and volume (-) button, pressed the power button ONCE and continue to hold the other 2 for 10 sec.
7)on the remote control, go to menu>settings>system info
*** now this I know as a FACT will work on systems that display: JVC - ver.5.32FO001, but I don't know of any other versions***
8)press the mute button on the remote twice
9)unplugg TV again and wait 10 sec.
10) plug TV in and turn on

It SHOULD be working normally now... Thanx to the guys a JVC support for this one, I know it seems like an obvious first place to look, but sometimes it isn't. I for one checked online forums first.

Posted on Feb 20, 2009

  • 1 Answer


go to menu select TV settings select add a channel  In the scan boxes  type 1 and 3 or what every you have your Satellite set to  Then hit start scan  The TV will come on reset to channel 3. 

Posted on Mar 29, 2009

  • 105 Answers

SOURCE: No Picture

I am deeply sorry but you will need to replace the backlight bulbs. These are not available.

Look on Ebay for a 32" JVC with a broken LCD Screen. Buy it and use these bulbs to fix your TV. I am sure there will be a few good ones in the broken TV. It's that or list it on Ebay for $50 and expect to get about 200-300.

LCD Panel repair for this problem is $500 for parts so you are stick with repair yourself or sell.

Posted on May 27, 2009

  • 105 Answers

SOURCE: No Picture

Backlight Bulb is out.
You cannot purchase these as a spare part, you must purchase the complete backlight.
Backlight cost is more than or equal to a new TV
You may sell this TV on Ebay (list your exact symptom). Start at 100 you will get about 250. Take this money and buy a new TV.
LCD backlights don't fail often but when they do there are no part available to repair them so you get stuck buying the complete assembly part. This is more expensive than a new TV since LCD prices have dropped so much in recent years.

Posted on Jun 23, 2009

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Unless this JUST started happening AND the TV worked previously, or you recently added a device to your set up, I am guessing that you simply are on the wrong input. For instance, I have a playstation connected to Video 2 and if my TV is set to Video 2 input AND my playstation is NOT on, the screen will be lit, but no picture. Make sure you are on the correct input.

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I accidentally pressed a wrong button when I was changing back to TV after watching a video. then the screen became snowy and I'm unable to get back to TV mode. I need help!

Hello rgas,
do you know if you have cable or satellite? Look on your remote and for a button called input or source and click on it. Remember what input it is set on first then try changing through each input. See if you get anything. If nothing still, go back to the original input it was on and change the channel to channel 3. If you have cable or satellite, turn it on. If nothing appears, go to input/source scroll through each input and hopefully you should get a picture. Good luck.

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It has to be on the right channel. If you are supposed to be on channel 3, 61, 73, 113 (ask the satellite company which one you should be on) then you'll have to change the channel. If you are not supposed to be on a channel you have to find out which input you're supposed to be on (video 1, video 2, video 3, av 1, av 2, av 3, hdmi 1, hdmi 2, input 1, input 2, input 3 for example).

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Selects the signal input source for the television: VIDEO-1, 2, 3, 4 or 5 for video devices like
VCRs, DVD players, or camcorders.
Press the V1, V2, V3, V4 or V5 button
• When you return to TV mode, press the RETURN+/TV button or direct 10 key pad or CHANNEL
+/- button.
• You can also access by pressing the INPUT button on the side of the TV instead of the remote.
This was taken directly from the manual which you can download and view here:
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1 Answer

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On the right hand side of this television there are panel buttons. It appears that your son in law knocked the tv out of the correct input. Press the input button in order to cycle through the 5 inputs. Typically pressing the input button on the side panel of a television and pressing it again and again and again will make it change inputs. Universally the buttons on the tv panel function as follows: Channel up moves the cursor up. Channel down moves the cursor down. Volume + moves the cursor right. Volume - moves the cursor left.
Hope this helps

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1 Answer

Tv works jsut no pic black and white screen says weak or no signel?

If it says "weak or no signal", this means your are not showing the correct input or have no channels programmed.

To find the the correct video input:
1. turn On the device you are trying to see
2. press the [input] button on the side of the TV until you get a picture (wait 3 seconds between pressing the button)

You program the TV by accessing it in the User Menu.

Also, You may access the inputs using the TV remote. Each input button (V4 and V5) may need to be pressed muliptle time to access the picture . When you press this on the remote you will notice the input change from Composite 1, Component 1, S-Video. V5 will show composite 2 and component 2. Using the side panel allows youto scan all inputs in case you are not sure.

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1. press "Sleep" button on the remote
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5. when the "self check" menu is displayed, Power off the TV.
6. unplug and replug the TV.
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1 Answer

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I need to use the cable remote to change the channel and the TV remote to change volume.
That is because your TV is looking at the output of the cable box (probably on channel 3 or 4) so the TV has to be statically tuned to see the cable box's output.
On the second question; I, and perhaps others, can't answer this without spending a lot of time to download manuals for both systems while you have them (presumably, since they are new) on hand. You didn't include the TV's model number anyhow so even that wouldn't be adequate.
The home theatre may have a receiver but what does it receive? Unless it also has channel capabilities that correspond to cable channels, it can't. The typical routing should be from the cable box to the TV S-video input and the sound can be routed separately from the cable box to either/or both, the home theatre's and also the TV's audio inputs.
When I am installing new stuff, I make a sketch of the routing I want (or have) to use. To me, this is less confusing than the supplied instructions.      

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