Question about JVC AV-48WP30 48" Rear Projection Television

3 Answers


Hello , this web site is awesome i hope you can help me out. MY JVC TV have pink and green neon wavy lines at top and bottom of the screen.... how do i fix it and what is it gonna cost me ?

Posted by on

  • 3 more comments 
  • steagald Nov 02, 2007

    hope this picture helps the web site is awesome

  • steagald Nov 02, 2007

    hope this helps thank you

  • Anonymous Nov 04, 2007

    I have red streaks all over my screen, what should I do.

  • Anonymous Dec 06, 2008

    can I use another stk chip on my jvc av-56wp30 the chip that I have is stk392-110

  • love38 Dec 06, 2008

    I have a jvc av56wp30 can I use a different stk chip I have stk392-110?



3 Answers

  • Level 1:

    An expert who has achieved level 1.


    An expert whose answer got voted for 2 times.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 4 Answers

This is probably too late being a year later, but for the reference of anybody else reading this later on down the line, THe convergence IC's need to be replaced. STK392-110. There are two chips and they both should be replaced in tandem. After that a simple customer convergence is all it takes to get it back to normal.

Posted on Oct 31, 2008

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Remove speaker off tv

Posted on Sep 15, 2008

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

This Sounds like it is a projection television. This style of TV is ran only off of one red, one blue, and one green light. (RGB) I have 2 suggestions. First, and most likely, the lights are out of alignment. Second the bulbs(tubes) could be going bad. I would contact a local TV repair service and have them bid to you the price or repair (for free) and see if the cost of the repair out weighs the cost of a new TV. Try and find a small independent tv repair guy he will be half of a big time guy

Posted on Nov 02, 2007

1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Jvc hd projection tv screen is tinted pink/red PLEASE HELP!!

not so sure if warped lines about it not being convergence, if the lines are diagonal and light red etc it may be a screen circuit issue. Hard to tell from description----take a few good photos and post them on a free photo sharing site and provide a link here---expert who sees what it looks like may be able to help...............

Sep 02, 2012 | JVC Televison & Video

1 Answer

Split screen, kind of inverted w/white wavy lines

It is a calibration problem, let me see if I can find some schematics for your tv.

Jul 19, 2008 | Panasonic CT-32SL14 32" TV

4 Answers

Screen role red and green wavie lines.

Hello dctc1,

Looks like there is a problem with the convergence IC's. You will have to replace both of them. I would also look for busted capacitors around the IC's.

However, if you are not familiar with TV repairs, I would advise against opening up the set. Best get a service man to come and diagnose/repair the set.

Hope that helps!

Please dont forget to rate or "Accept" the solution if it helped you in any way, or leas you to a fix.

Thank you for using FixYa!


May 18, 2008 | Mitsubishi VS-60607 TV

2 Answers

I have pink and green wavy lines. Most pronounced at the bottom of the screen.

Ur tv have a problems known as a convergence problems,it dead.The tv have colors lines R,G,B mis alignments anywhere in the pictures,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board,must be replaced to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

Nov 24, 2010 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Green and pink wavy lines throughout. Picture

I am having the same problem and so far unable to fix,

Jan 22, 2010 | Pioneer SD-582HD5 58" Rear Projection...

1 Answer

Mitsubishi DLP wd-52725 wavy lines from top left to bottom right

the DM board is going bad and needs to be rebuilt. check out

Jan 02, 2009 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Wavy green lines at top of tv

1024x768 Normal 0 Convergence

When A REAR PROJECTION TV has coloured outlines or a 3D image the Convergence Circuits most likely need attention.

Replacing the output amplifiers (located within the Convergence IC's) allows the pictures to line up correctly, and no more color outlines.

This is the most common fault in all makes of rear projection TVs.

Some models of TV require major disassembly and considerable shop/manufacturer's support to repair because of their design that causes other power supply or vertical deflection problems. The poorly designed products require a "bench" repair that can typically cost from $350 t0 $700.

Some TVs are designed for on-site repair and have more reliable circuit design that does not usually cause damage to other parts of the TV when convergence chips fail. The ones that usually allow reliable on-site repair are JVC, Samsung and Hitachi.

It is normal to have some resistors in the circuit burn up or increase in value from the heat (from 2.2 ohms to 5 or 10 ohms). These resistors must be replaced with the right value or the chip may fail again.

This is not a simple repair like changing batteries or a fuse. Reading through the other posts shows many that try and end up with bigger problems.

Your JVC uses STK 392-110 IC's. Misinformed people replace the IC's with other "new and improved" IC's, like STK 392-150. These are devices with different characteristics and require different value resistors in the circuit. Replacing with the STK 392-150 will cause overheating of the resistors and a damaged IC.

If you are in Calgary, I can help. If not, get someone that has experience working on your JVC. My website is below with some costs and explanation.

Good Luck,


Jun 02, 2008 | JVC AV-56WP74 56" Rear Projection...

2 Answers

I am told my Hitachi 61SDX01B (UltraVision/Ultrascan) has "Green Geometry"

Sounds like a convergence promblem.

Here are some of the most common symptoms of a convergence problem.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence or magic focus section.

Try to adjust the convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

Oct 15, 2007 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

Hitachi 61SDX01B

The problem is called green geometry.There is nothing wrong w/the green pix tube.It is critical to get the green geometry

accurate because the red and blue convergence overlays on

the green.If you have more than an alignment issue,that will need

repair before adjustments are attempted.

Oct 15, 2007 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

Emerson TV EWT2721 27"

Did the TV get pink with the wavy lines all at once, or did it start out gradual? If all of a sudden, then a defective part on the CRT control board or the picture tube itself could be going bad along with some components in the video section of the set. Probably not a cheap and easy fix I'm afraid.

Jan 01, 2007 | Emerson EWF2703 27" TV

Not finding what you are looking for?
JVC AV-48WP30 48" Rear Projection Television Logo

387 people viewed this question

Ask a Question

Usually answered in minutes!

Top JVC Televison & Video Experts

The Knight
The Knight

Level 3 Expert

74999 Answers

Jaime Hernandez

Level 3 Expert

2326 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers

Are you a JVC Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides