Question about Marshall V-R171P 17.1 in. LCD Television

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It is not working

The power led is on but no video on screen although video connected with composite input. The buttons on tv is not working, you can't see menu. only power led on but nothing happens.

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Re: it is not working


Posted on Jan 22, 2007

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How best connect external DVD to TV: Composite or Component? Both available on both units

If the TV does have a component input, that will be your best choice. Component video provides an HD signal; composite is only an SD (480i) signal. However, if the TV doesn't have 3 RCA ports (red, green and blue) for the video itself, in addition to the red/white RCA audio ports, you may be missing an adapter that allows the port to be used properly. You'll need to set the TV to the external video input with a Source or Input button on the TV or the remote. If you press the DVD button on the remote, the TV will only attempt to get the signal from the internal DVD.

Please add a comment with the make and model of your TV for additional information. A number of TVs (like some LG models) share the composite and component inputs and use an adapter to reduce the input to a smaller area on the TV. Without the adapter, the TV can't correctly identify the signal. The component video adapter for my LG TV looks like this: . There's a second one for the audio signal.)

I hope this helps.

Cindy Wells

Jan 06, 2016 | Philips Flat Panel Televisions

1 Answer

Blue screen on Samsung LED TV? Is it the power board?

if the TV powers on and stays on.. sounds like you might be on the wrong video stream, (make sure u are using the same input as u are using the output on your cable box, satellite box, etc. if you are using HDMI , use your remote for the TV and find the Source or Input button and try each of the video streams that are listed.

Feb 06, 2015 | Samsung UE40B7020 40 in. LED TV

1 Answer

I have a 40" TCL TV with one black vertical line on the screen.

Your set has some board that performs the function to connect the screen to the video-generation function of the TV. Either your LED/LCD screen is failing or the video function is failing. If the set is under warranty, contact the manufacturer using the information on the warranty statement. Try using a different video input (hdmi/composite/etc) for the TV and see if you get the same line on all inputs. If there is no separate board, the next step would be to try and replace the main video board. With the prices falling on lower resolution TV's, it would probably be cheaper to replace the TV than trying a repair, if it is out of warranty. 40" 1080p TV's can be had for less than $200 at some sales (e.g. Black Friday).

Jan 14, 2015 | TCL E3010 Series LE40FHDE3010 40" LED TV...

1 Answer

Can I connect a cctv camera to this and how,where, what source setting

The Speco dome camera has a standard 75 ohm. composite video output so you should be able to connect it directly to your composite video input. It does however have a slightly higher and non-standard resolution (540i vs 480i) for composite video so it could be that the ViewSonic can't upscale it correctly as a true professional monitor can. If you can manipulate the composite input settings through the setup menu to upscale the inputs I'd give that a shot too.

Feb 14, 2013 | ViewSonic N4285p 42 in. LCD TV

1 Answer

I have a apex 32-inch tv model (AT3208S), This tv was connect to a converter box, the other day electric power went out in our area for about 8 mins or less, once the power was back on the tv screen was...

OK, I have one of these TVs, and here's a thought: There's nothing wrong with the TV nor with the cable converter box. Please bear with me. Since I don't know how much you may know about TVs in general and this one in particular, I'm going to assume you know nothing and go from there.

This TV has several different "inputs", which are ways a signal can be transferred from its source to the TV, where it "outputs" the video image. I believe this particular TV has 5 different inputs: In descending order of the quality of the video signal, there're one S-video input (a 4-pin video connector plus red & white audio), three composite video inputs (3 connectors each: yellow video and red/white audio--audio connectors are the same for both s-video and composite), and one coax connector (a single large screw-on connector with a little wire sticking up through the center of it) for a total of five different inputs.

The problem with these Apex TVs is that they always default to the Antenna/coax input first when they are restarted. Most people use the TV to display an input signal (like the cable box or a DVD player) connected either to the S-video or to one of the 3 composite video inputs, not to the coax input, which just displays the channel numbers from 1-125 when it's set to do that (hit the "display" button on your remote to toggle showing the channel numbers for the coax input). If there's no signal coming into the coax input, the screen with appear blue. (If it's blue, it simply means it's not getting a signal via the input to which the TV is currently set. You can turn off the blue screen in the menu settings, but then you'll just get a blank screen. It's probably better just to leave the screen blue; at least you can tell the TV's actually trying to display something that way.)

You have to manually select the proper input by pressing the "video" button either on the remote (lower right corner) or the "video" button directly on the TV (hidden control panel under the middle of the margin around the bottom of the TV screen. You'll have to press on the door, and the whole control panel rolls open to reveal another set of composite inputs and some buttons. The video button is the one farthest to the left.)

Anyhow, by pressing the video buttons, you'll cycle through the various inputs. Assuming your cable converter box is functioning properly, powered on, receiving a signal from the cable company, and connected to the TV via a(n) appropriate wire(s) connected correctly, you should see the output from the cable box on the screen when you cycle through to display the proper video input.

Another possibility: the power outage fried the input to which your cable box was connected on the back of the TV. If that's the case, your cable box would probably also have sustained damage. You can check to see if the various video inputs on the TV are working by connecting different source inputs (like a BluRay/DVD/VCR player, video game console, video camera, etc.) to one of the other inputs and see if you get a picture when the TV is set to the appropriate inputs. (Remember, the "video" button is what selects/changes/cycles through the various video inputs.) One of the sets of inputs went bad on my TV. I just use the other ones.

May 18, 2011 | Flat Panel Televisions

1 Answer

How do i hook up my ps3 with tv through hdmi as it keeps goin to blue screen

  1. Connect the PS3 standard composite video connector (yellow RCA plug) to the TV composite input and switch the TV to that input. Leave the HDMI cable connected.
  2. Make sure the PS3 is off. Turn it on and hold the power button until you get two beeps (at least 5 seconds). The PS3 navigation screen should be shown on the TV. If not, switch the TV back to HDMI; the screen should be displayed at 480i resolution.
  3. Go to the settings menu. Select Display Settings, then Video Output Settings, then press the X button on your controller.
  4. The on-screen instruction should be "Select the type of input on your TV." Select HDMI, then press the '> (solid right triangle) button on your controller.
  5. You will be offered the choice of Automatic or Custom settings. Try Automatic first (if there is a problem at the end, start over and pick Custom the second time).
  6. Press the X button. You will get a screen asking you to confirm the changes. Press the X button again to confirm.
  7. You may get a screen asking for the resolution setting. IMPORTANT: if your TV's maximum resolution is 720p or lower, do not pick a higher resolution. The TV may not display properly or may not display at all (blue screen). Pick the highest resolution your TV can display.
  8. Confirm this by selecting "Yes" and pressing the X button.
  9. The settings list should now read Connector Type HDMI; Resolution Standard (NTSC); 480p; 720p; 1080p (if applicable). Press the X button to confirm.
  10. You may be offered a choice of audio outputs; you can use HDMI or something else, depending on your setup. Confirm the setting and press X one more time.

At this point, the PS3 should send its signal to the HDMI port following restart. If your TV has more than one HDMI input, make sure you select the one connected to the PS3.

Mar 12, 2011 | Flat Panel Televisions

2 Answers

When I plug my PS2 or VCR into the back of my TV using red, white (audio), and yellow (Video) cables, the picture is grey and fuzzy. I have plugged the yellow into the far left port marked "Y". I...

Yellow is a composite output and should be plugged into a composite input, whereas Y indicates the COMPONENT input of the TV. If you don't have a separate composite input use a scart to phono (rca) adapter in your tv's scart input.

I hope I have been of help but please do not hesitate to ask if you have any further questions.
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Mar 04, 2011 | Insignia 42" LCD Flat-Panel HDTV

1 Answer

Hi, I bought an aquos lc-30hv4u and it has no rca jack etc, only two plug ins labled display input 1 and 2. I am guessing its just a pc monitor. How would I use it for cable tv video games etc

There are lots of inputs on the back behind the cover. Three inputs (1, 2, 3) have an S-video, composite video (A/V) and component video jacks. The cover will come off if you press the two top hook at the top of the cover. Then rotate the cover towards you. There are also a DVI-D port and 2 coax (antenna in) jack. The tuners included are for NTSC (analog OTA) and CATV (analog cable). The front of the PC (VGA) and a S-video or composite (A/V) video input (called Input 4).

Composite and component video jacks are all RCA jacks (as are the associated audio jacks for the input). Composite cables uses three RCA plugs on each end - yellow for video, red and white for Right and Left audio. Component video cables have three plugs on each end that just carry video (red, blue and green); the audio is wired separately with just 2 RCA red/white plugs. Match your colors from the device out to the TV input.

Changing inputs can be done with the remote or the input button on the top of the TV. The input button is to the left of the power and Main Power buttons.

Connecting your game system, cable system and all will depend on the units. For the best picture, use component video cables for mose set top box. Some cable boxes have a DVI port - use that if the box has that option. If they do not have component video out, then use composite or S-video cables.

The owner's manual is available from Sharp as a pdf: . Use the drop down menus as follows > LCD TV, Model not listed, LC-30HV4U then click Search. The picture of the inputs are on page 10.

I hope this helps.

Cindy Wells

Dec 15, 2010 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV

2 Answers

My television screen went black, but there is has sound

Make sure your tv is on the right input first of all. The newer flat panel lcds combine the componenent video (red , blue, green) with the composite video and audio (yellow, red, white). If your tv is on the component input then you hear audio from the composite input since the audio inputs (red, white) are shared. Look for a source or tv input button on your remote or the tv itself and try pressing this button unti you see a picture with sound.

Aug 15, 2009 | Flat Panel Televisions

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.

Jun 23, 2009 | JVC LT42P789 42 in. LCD TV

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