Question about JVC AV-48WP74 48" Rear Projection HDTV-Ready Television

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MY TV!! When I plug my cable into the s-video or just regular cable the screen is green on top and blue on the bottom!! When it is not plugged in its fine but I still have no picture and I do have sound the menu works fine!! I will get the picture for a little bit but then it goes to the green and blue screen!! I have a jvc AV-48WP74!!

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Re: MY TV!!

Try using AV im puts with dvd or vcr if this work your tuner is bad new cost aruond $90 to 120 if available but next year you wont have use for it

Posted on Apr 03, 2008

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My picture is in green. The convergence seems to work just fine. Why would my screen be green?

You might have the yellow for video, white, and red for audio (composite connection) plugged into the component plugs green, blue, red for video, white, and red for audio (component connection) somehow combined together on the back of your TV to whatever source your watching.
It should be color to color from your source to your TV.
It's that or only the green plug is plugged in for the component video. Hope this helps.

Jun 20, 2011 | Zenith R57W46 57" Rear Projection...

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The screen is green no color at all it makes aloud humming sound what is the problem we replaced the lamp last year

Do you have a cable box going to the TV and is this condition on all of the inputs or just one. Chances are you have standard video connection plugged into the component inputs.

If you have a (yellow/red/white) cable make sure you have it plugged into a connection on the tv that matches those colors because if you have a standard video (yellow) plugged into the Green then you will get a black and white picture.

If you are plugged into a component connection you will need a total of 5 RCA style wires. One will go from Green to Green, another from Blue to Blue, another from Red video to Red video, anther Red audio to Red audio and white audio to white audio.

The common mistakes made with this connection is the reversal of the RED video and RED audio which will cause the humming noise you spoke of as well.


Mar 01, 2011 | Hitachi 60V500 60" Rear Projection...

1 Answer

Hook up sony blu ray

You should be able to hook it up with a component video cable. A component video cable is a cable that has 5 color coded RCA style ends that are Green/Blue/Red/White/Red. The Green, Blue and one of the Reds is for the video and delivers the signals needed to produce the HD picture and the White and the other Red is for the audio to provide you with stereo sound.

The Video cords will plug into the section labeled component video facing up and down and the audio will plug into the side by side section. So if you plug into Component input 2 then you would plug in the audio into the audio section of input 2.

If you have a separate surround sound system you can connect one of two ways.
1. Plug a separate Audio (red/white) cable from the Blu Ray to an available input on the surround sound.


2. Plug all inputs into the TV (as noted above) and then plug a separate Audio (red/white) cable from the tv labeled "Audio Out" to an available input on the surround sound system.

Jan 03, 2010 | JVC AV-48WP30 48" Rear Projection...

2 Answers

Picture is red

If you are running component video, make sure the blue is plugged in and in the right spot. Component video works like this: the green is a black and white image, the red and blue are cover overlays to make the image display properly. So if everything looks plugged in right, then try plugging in a composite video (Yellow) or S-video cable switching to the appropriate input, and see if the image is still red. If so, go to the set up and set the set to factory defaults, and see if that fixes the color issue, It's possible that the color settings on the TV are messed up, with the S-video plugged in go through the set up menu and see if you can correct the color issue IF THE IMAGE IS STILL RED WITH THE S-VIDEO OR COMPOSITE VIDEO, otherwise the issue is a problem with the component video cable.

Oct 01, 2009 | Philips 60P8342 60" Rear Projection...

2 Answers

Blue lines in screen

Follow the steps below after verifying that the issue is occuring on other channels and other video sources.
  1. Turn off the television. IMPORTANT: For a projection television that uses an internal lamp, wait 5 minutes after turning off the television to allow the lamp to cool before continuing with the following steps.
  2. Unplug the television power cord from the electrical outlet.
  3. Let the television remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.
  5. Turn on the television.
If the issue is still unresolved, service may be required.

Sep 22, 2009 | Sony KP-51HW40 51" Rear Projection...

2 Answers

TV Picture is green

is your RGB cables are the same output from your tv...are you connecting from where dvd cable box sattelite box, if you are connecting from a box exs output of cable box is what colour are you using? for your your output to your tv and what input are you using of your tv set.[input 1is it video input 1,] or comp? let me know...

Jan 10, 2009 | Projection Televisions

1 Answer

Auto sensor finding wrong inputs, cant find good component signal

as any new technology TV as yours. your tv has a microcomputer (kind of mother board) that is not detecting your video inputs or any information to control. The initial set up cannot finish and there it go the answer: you have a blue screen or green with the bars (of course this is another area but still related with the control of video that it is another funtion af the main board). So the outside of the tv is ok now because you made many actions directed to troubleshoot conections, and there are fine, but the problem isn't there this problem is at the board level of the tv. technician is needed.

Jan 04, 2009 | Mitsubishi Diamond WD-65831 65" Projection...

1 Answer

HDTV comes up green

there is a setting in the menu under setup i believe it is called "LABEL VIDEO INPUTS". check you owners manual. you need to make sure that the DTV input is set to YPbPr NOT RGB.

Feb 23, 2008 | Mitsubishi WS-55907 55" Rear Projection...

1 Answer

JVC big screen t.v.

convergence fail. replace convergence ICs with stk-392-110 can be accessed through the front. take off the speaker grill and panel behind that. there will be a large heat-sink under the picture tubes that is the convergence power board. disconnect all cables(mark any that look the same) going to and from that board de-solder the amps --- replace any burnt or open resistors--- plug everything back in turn the tv on and adjust any alignment needed in the regular tv menu.

Feb 20, 2008 | Projection Televisions

1 Answer


Use your input button on your television's remote control.... you should have plugged the wires into the COMP 1 area on the back of your TV.  You will also need to make sure your red and white audio cables are plugged in as well (Five total plugged wires) Press the input button until you see COMP1 at the bottom of the screen... there you will find your picture and sound.

Oct 19, 2007 | GE D52GW12 52" Rear Projection HDTV-Ready...

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