Question about HP LC3040N 30 in. HD-Ready LCD Television

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Tv tunner problem

My tv set is loosing cable signal and the monitor turn blue or blurry and loosing audio. but when i watching dvd it work perfectly. i think ihave a trouble on my tv tunner. where can i get a replacement and how can i exactly know the problem

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  • Master
  • 458 Answers

Need cabel box used vedio outpot to tv input get working
if you need replaced part+ larbe $300 up....

Posted on Sep 13, 2009

  • tvservice306
    tvservice306 Sep 13, 2009

    need cabel box used vedio outpot to tv input get working

    if you need replaced part+ larbe $300 up....



  • tvservice306
    tvservice306 Sep 13, 2009

    need cabel box used vedio outpot to tv input get working

    if you need replaced part+ larbe $300 up....



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How can i play ps2 on lcd without having a black and white screen ? how can i connect the cables ?.....when i look at the back of my lcd i find three ports (red white yellow) when i use them the screen is...


1) The set of input (Yellow= Composite video, Red= Right channel audio, White= Left channel audio). This set of input is for composite video.

2) The set of input (Red= Red video signal, Green= Green video signal + sync, Blue= Blue signal, Red= Right channel audio, White = Left channel audio (the Red and White will be grouped close together). This set of input is used for Component video for HD signal.

You should try using composite video source (Yellow RCA jack) from DVD player and feed to the monitor and see if it works OK with all color showing that way we acn find out if it is the video source problem or the monitor video signal processing problem. Try the PS2 on the TV if it works OK also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Aug 20, 2011 | Samsung SyncMaster 940MG 19" LCD Monitor

2 Answers

What channel or setting is used on the TV to play a DVD?


Hi, Channel 3 or 4 might work for older TVs. Most new HDTV's have a mode setting in the menu. (Video 1 or 2 or 3) or (Component 1 or 2). On your remote you may have DVD button. Try all these suggestions, 1 of these will work. You can play with the remote too. Good luck.

Jun 13, 2011 | LG 42LB2R 42 in. LCD HDTV

2 Answers

Watch tv properly with JVC DVD off


Some philips tv's have a built in aerial amplifier, perhaps if you bought a digital aerial booster it will improve the picture quality.

Apr 05, 2010 | JVC DR-MV1S DVD Recorder/VCR

1 Answer

I need help putting my surround sound to my tv .dvd and x box


2 ways to do this

if your tv has multiple inputs and an audio output its easy if not there is a way but its more complicated

if your dvd and xbox have HDMI (link to inexpensive hdmi cables) outputs pick up some cables on ebay and use that to go directly to the TV then use the audio output of the Tv and run it to any input on your receiver EXCEPT PHONO. I use video 1 since its easy to remember.

all you do is set your receiver to video 1 and then set your tv to the input you want to watch ie: video 1 for xbox, video 2 for the dvd
this will also work if you use component inputs on your tv (the red, green blue ones)


Now the harder way to do it.


Your receiver has high def (red, blue, green) component inputs

plug your dvd, xbox and cable box if you have one into the 3 video inputs on your receiver and teh TV audio can be plugged into the CD or aux input.

here is the issue.

running both the audio and VIDEO signal through the receiver may degrade your video quality based on the type of video processor that your receiver has.

secondly lets say your dvd doesn't have component outputs and you have to run s-video cable instead then you have to run multiple monitor outputs to your tv as the receiver wil not "upconvert or downconvert" the signal from one format to the other.

Newer higher end receivers will do the conversion but usually not until you get into the $500 and up price point.

when i do installs I try to ,ake it so that people have to push the fewest amount of buttons. Most people know how to switch the input on the TV but then get confused if they have to also start switching inputs on secondary devices such as receivers

hope that helps



Feb 19, 2010 | Yamaha RX-V461 AV Receiver

1 Answer

While watching blue ray, the receiver loses the Signal


check the continuity of the AV Cables and check for any loose connection/dry solder in the connectors

Jul 13, 2009 | Yamaha RX-V861 Receiver

1 Answer

I am having difficulty when I try to program the VCR to tape a TV show that I am not watching. When I go through the nine steps that are outlined in the manual on pages 24 and 25 the TV will tape for me...


if you are useing a cabel box you need to split your cable before the cable box with a two set coupler and run the second cable line to the VCR input and this should solve your problem. if you want to record the chanels from your cable box and not watch a diffrent chanel you can leave it hooked as is and select the chanel you want to record with your cable box tunner and leave it turned on, set the vcr to record channel 3 or 4 which ever is the channel you leave your tv tunner on and record that way.

Jul 30, 2008 | Televison & Video

9 Answers

Panasonic Viera TH-37PX8B Green Screen When Turn On DVD Player


I had the same problem, after reading the forums and playing around for a while I cracked it. It was to do with the output from the DVD player, in the DVD player setup I changed the output from RGB to s-video and bingo! Hope that helps

Jun 10, 2008 | Televison & Video

1 Answer

DVD movies do not play


A blue screen means the TV is not receiving a video signal. Check all connections, then try another player, cable, etc. Also, check DVD and TV AV settings.

Dec 10, 2007 | Pioneer VSX-D912 Receiver

1 Answer

Picture is of poor quality (wavy)


This may indicate a problem with the RF tuner. When you are using the DVD player is the output of the DVD using the F (RF Coax) Conncetor or is the DVD connect to the TV using the Video/Audio cables (either Composite (Red, White, Yellow) or Component (Red, Green, Blue)). I am do however believe this to be a RF tuner problem. Make sure that the TV is set to channel 3 and the cable box is connected to the TV (set to channel 3). What you could also do is get digital cable and use the video output jack as the input to the TV on one of your aux positions.

I would first make sure the tunner is on channel 3 when using the regular cable box, or if you are using the TV's cable ready features make sure the tunner is working correctly, this might have to be done by a qualifide TV repair person.

I hope this helps
Thank you,
Shuttle83

Nov 15, 2007 | Toshiba 57HX81 57" Rear Projection...

1 Answer

Dvd burner


Can you try just running a/v cable from your tv output to the inputs on the ilo, then whatever you watch on your tv you can record on your dvd burner. My new SDTV doesnt have audio out except Coax so this won't work for me on that tv. Why doesnt the newer tv's have audio AND video outputs???

Oct 30, 2007 | iLO DVD Recorder DVDR05

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