Question about JVC AV-56WP30 56" Rear Projection Television

SERVICE MODE IS THERE A SERVICE MODE FOR THIS TV THAT I CAN ACTIVATE TO TRY AND LINE UP MY BLUE CONVERGENCE PROBLEM

Posted by MITZI DUNCAN on Jun 10, 2006

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LMoore Nov 02, 2007

Picture looks like double vision like the words are double and blurry I was told to use the remote to line up convergence but dont have remote anymore if this is what i need where do i get a replacement one?
brian Jan 20, 2008

i have a hitachi 53fdx01b. something with my blue is off . the blue light doesnt go all the way up the screen but it not a staight line . it goes up about left 4 inches from top, middle 8 inches from top, right 2 inches from top. can you help.

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Re: SERVICE MODE

I have a tv bluesky model PR14 .can anyone help me with service mode-

Posted on May 21, 2008

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Re: SERVICE MODE

Always consult service literature for convergence and/or geometry procedures unless your experience is accurately memorized through frequent use. Ex.==SONY== press mute,then ENTER to write changes in memory.

Posted on Sep 29, 2007

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Re: SERVICE MODE

Service literature will tell you how to adjust geometry and convergence in servicer mode.Just having the entry code is not enough info to complete alignment to near 100%.Senior tech skill level needed.

Posted on Sep 29, 2007

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Re: SERVICE MODE

Depending on the age of your TV, there may be some manual adjustments as well. You can usually find these adjustments behind a piece of trim that is between your screen and speaker house on the front side. But as I mentioned... this is only on older units as the newer units have internal convergence PCBs that do it all through your remote control as mention by Hardrocko.

Posted on Aug 28, 2007

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Re: SERVICE MODE

I had a problem with my TV colors not lining up. One day I turned it on and the green was out of wack. I checked this message board and replaced the STK chips, bad soldering and all led to me just giving up on that and buying a whole new Convergence Board ($185). I replaced the missing silver box on the new board and I just plugged this in and though now my Green lines up okay, my red is out of whack. Is there something I am doing wrong? Can anyone help me? Did i miss a step? Frustrated......Bruce

Posted on Aug 18, 2007

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Re: SERVICE MODE

I have

Posted on May 21, 2008

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Re: SERVICE MODE

Also try http://www.bus.ucf.edu/cwhite/theater/ServiceMode.htm

Posted on Jan 13, 2007

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Re: SERVICE MODE

I have a Sony KP-51WS500. To pull up the adjustment mode, turn off you tv then on the remote press Display,"5" button, "+" on the volume, and the power with in a second. Your TV should come on with GReen letters. After that press 1 and 4, 2 and 5 to change menus. Go to PJE (or something like that) and you should see PJE GREEN CENT, SKEW, SIZE etc. Press 3 to change colors, 6 to bring up the cross hatch and 9 to bring up fine tunning. Line each color up with the white boxes with the menu nipple thing. Press mute to write your changes then switch the TV on and off. Good luck.

Posted on Dec 29, 2006

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Re: SERVICE MODE

A single-color mis-convergence problem is not the DCU.
The blue convergence amplifier IC is at fault---let me know if you
are still interested in repair procedure specific to your make and model-----I can detail step by step,just let me know.....T.

Posted on Oct 27, 2007

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Re: SERVICE MODE

With tv off press and hold vol - and chan- u haft to press the vol first and hold both for 10 sec. use the buttons on the fron of the tv

Posted on Nov 11, 2007

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Re: SERVICE MODE

Go to menu. Select either video or setup. Select convergence. There could be one or two setups. Try the automatic setup first. If it's just a minor problem this should work. Let it do it's thing and if all goes ok you should have a good picture. If this does not solve the problem do any other convergence setups available. If this does not solve the problem you probably have a bad digital convergence box. Less than $100 part but you'll need a tech to fix it.

Posted on Jun 22, 2006

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See my solution <http://www.fixya.com/support/t2795690-convergence_off_blue_line_only_vertical>.
You need to get to the service menu--it's been 4 years so go to AVSforum.com to turn off the different guns and get the better pattern.
At your risk: To get into Service mode:
1. Turn your TV on. 2. For X81 or earlier series: Press MUTE on your remote and release. 2. For H80/H81/HX81 series: Press MUTE on your remote and release two times ("Mute" on-screen) 3. Press down MUTE on your remote again and hold. While holding, press the MENU button on your TV set's front panel. 4. Release both buttons. 5. An "S" should appear on your screen. Press MENU again on your TV. 6. Now you're in service mode. Channel Up/Dn - Scrolls through Parameters and Volume Up/Dn - Changes Parameter Value
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Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

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

Here is a quick test....

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

Try to adjust the red and then the blue 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.

Solution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

TV set after fluid change

Solution #2

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

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Common Symptoms include....

Screen looks 3D
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CONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
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Here are some photos of convergence problems.

Here is a quick test....

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Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

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