Question about JVC LT-40X776 40 in. LCD HDTV

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JVC 40 inch LCD digital inputs (1 and 2) no longer works. Standard video and component cable inputs work, but not HDMI. Please help

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  • Anonymous Mar 15, 2014

    Tivo will not recognize on hdmi 1 input, HDMI 1 does not show on v 1 v2 v3 v4 v5 how do you get to the two hdmi 1 and hdmi 2?

  • Anonymous Mar 15, 2014

    The HDMI inputs are not working...

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This TV has a sensor that deactivates the inputs when light is sensed. perform this procedure to correct it:

1. press "Sleep" button on the remote
2. while "Sleep timer 0" is showing, simultanuously press "display" and "video" button on the remote
3. you should be in the Service menu of the TV....if not you should do the steps again
4. select "self check" from the displayed options.
5. when the "self check" menu is displayed, Power off the TV.
6. unplug and replug the TV.
7. Check the digital input.

if the input never worked for you, it is possible that you have the DVD/Bluray/whatever set up incorrectly. I don't think this TV accepts 1080P resolution so make sure it is set to 1080i or lower

Posted on Jun 23, 2009

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Ck the vcc on the hdmi smd ic

Posted on Oct 07, 2010

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Related Questions:

1 Answer

I can't get audio to work on my Samsung UN40HU6950F UHD TV HDMI 1 input using the Time Warner Cable Cisco 4742HDC cable box.


if all 4 inputs work with another input source(i.e. your Motorola box) it indicates the issue is with the TWC input source. Also check your HDMI cable to be sure it is in good condition & properly plugged in on both ends.

Jan 12, 2015 | Samsung UN40HU6950 40 Inch Ultra Smart

1 Answer

Hdmi will not work only use of component cables will.


Hello

The HDMI[1] input on your TV receives digital audio

and uncompressed digital video and audio from an

HDMI device or uncompressed digital video from a

DVI[2] device.

This input is designed to accept HDCP[3] program

material in digital form from EIA/CEA-861/861B-

compliant[4] consumer electronic devices (such as a settop

box or DVD player with HDMI or DVI output).

The HDMI input is designed for best performance

with 1080i high-definition video signals, but will also
accept and display 480i, 480p, and 720p signals.

To connect an HDMI device, you will need:

• one HDMI cable (type A connector)

For proper operation, it is recommended that you use

a short HDMI cable. You should not encounter

difficulty if you use an HDMI cable shorter than 16.4

ft (5m).

HDMI cable transfers both video and audio.

Separate analog audio cables are not required (see

illustration below). Some CDVs (video CDs) may

not output digital audio signals. In that case, you

may hear sound by connecting analog audio cables.

However, if you connect analog audio cables with

this connection, the HDMI terminal on the TV will

not receive the HDMI digital audio signal and you
will hear analog audio only.

To ensure that the HDMI or DVI device is reset

properly, it is recommended that you follow

these procedures:

• When turning on your electronic components,

turn on the TV first, and then the HDMI or

DVI device.

• When turning off your electronic components,

turn off the HDMI or DVI device first, and
then the TV.

To connect a DVI device, you will need:

• one HDMI-to-DVI adapter cable

(HDMI type A connector)

For proper operation, the length of an HDMI-to-

DVI adapter cable should not exceed 9.8 ft (3m).

The recommended length is 6.6 ft (2m).
• one pair of standard analog audio cables
OK

Dec 16, 2010 | Toshiba 30HF84 30" TV

1 Answer

How to hook up xbox 360 to jvc dlp thru hdmi ports


You can use an HDMI-to-DVI cable for the TV's DVI input and this would give you video at full HD 1080p resolution but you need to route the audio via standard red & white RCA. It would be better if it has digital audio inputs such as optical or coaxial to get Dolby Digital and other digital formats from your source.

If in the unlikely scenario that it does not have a DVI input (which looks similar to your PC's blue VGA only wider and is white) you can hook it up to your component video-in (which is the red/blue/green RCA inputs). For this you need a cable that has HDMI on one end and red/blue/green for video RCA's +red/white RCA's audio.

This would give you 1080i resolution with stereo audio.

Hope that helps.

Aug 27, 2009 | JVC Televison & Video

1 Answer

JVC LCD TV (LT-42X688) input panel not working!


1. This TV has setting for the HDMI input that allows you to select the HDMI Audio or Analog(red/white wire) audio. Make sure this is correct

2. Most cable boxes are DVI not HDMI. If DVI then you actually do need to use those Red/white cables. If HDMI, refer back to #1.

3. The cable box has a setting to select the Audio output, HDMI (digital) or Analog(red/white cables). Just like #1, this has to be set.

4. Contact your cable company to help you set up the box correctly. JVC can probably help you check the TV

Mar 05, 2009 | JVC LT-42X688 42 in. LCD HDTV

1 Answer

Can't connect XBOX 360 please help!


How many video ports does it have? You may have to search through video 1, 2, 3, or switch the TV itself to component/HDMI depending, with the remote. Should be with an 'input' button.

My tv has a list with HDMI, SVIDEO, COMPONENT, PC, ect. and its a 1080p one, im just assuming all HDTV's have a list

Feb 05, 2009 | JVC LT-47X788 47 in. LCD HDTV

1 Answer

Denon AVR-488 , problems routing cable box through receiver to tv


If you don't have one, the manual is available online: http://static.highspeedbackbone.net/pdf/AVR-488-OM-E_101.pdf

Suggestions:

1. Reset to default values. Per page 36 of manual: 1. Turn off Power. 2. Press Power while simultaneously pressing Speaker A and Speaker B. 3. Once the display starts flashing at intervals of about 1 second, release the two buttons.

2. Make sure you have AM or FM radio reception. This makes sure your speakers, amps, etc are connected and working correctly.

3. Connect DVD player to HDMI 1 in and TV to HDMI Monitor Out.
Play a known good DVD that works when you connected the DVD directly to the TV via HDMI.

Select the DVD/HDP input on the receiver and play the DVD. You should not have to perform any input assignments, etc. It should just work, as HDMI1 is the default system setting for DVD.

4. If possible, obtain a STB with HDMI out & repeat step 3 using the HDMI2 TV/CBL input. Keeping the signal path all digital (HDMI) will give you a better picture quality than forcing several analog to digital conversions (component video is analog).

4A. To use the component connection, first test by connecting the STB directly to the TV via component video/audio if possible. This tests that the component video output of the STB is working correctly.

Next, remove direct connection and connect via receiver. Connect STB to receiver as shown on page 13 in manual. Connect component video output from STB to component video input #2 (tv/cbl) on receiver. Connect the STB audio output to the corresponding tv/cbl audio inputs.

Make sure nothing is connected to the HDMI2 input or to any other TV/CBL inputs (composite video, s-video, digital coax audio).

Now select the TV/CBL input and turn on the STB. You should have both audio & video.

Mar 08, 2017 | Electronics - Others

1 Answer

No video input -- all ports -- for JVC LT-37X688


JVC may allow warranty exception or some accomodation for 15 days out. You have 2 seperate issues

1. White lines spreading is probably a video process problem. I think this TV has 3 Boards inside. Middle one is most likely suspect followed by the one on the Right

2. HDMI input not working is because they were turned OFF. JVC TV's have a sensor that will shut off the HDMI if the TV's back cover is removed. This must be reset in the Service Menu.

Nov 16, 2008 | JVC LT-37X688 37 in. LCD HDTV

1 Answer

No Digital Signal to TV


make sure you have Tv on that particular HDMI input .I believe video 6 or 7 .if you do check menu make sure that input is not blocked. or you might want to try the component outputs of cable box and connect that to a component input on tv to see if that is working,,i have seen these tv HDMI input board bad..lets hoe this is not the case..

Dec 16, 2007 | Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

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