Question about JVC AV-65WP74 Rear Projection Television

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Green double image

I bought this tv 4 years ago tried the convergence didnt work
my coworker also bought the same tv 4 years ago and his tv started doing the same thing 2 weeks ago.

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  • JVC Master
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You need to replace both convergence ICs they are both STK392-110 and you can get replacement ICs at the following link and they provide free step by step instructions with pictures so you can do the job yourself. Heres the link.
http://servicemanuals.vstore.ca/

Posted on Jun 30, 2008

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2 Answers

Color is separating (red and Green double images


Yes everything is repairable.....
The problem is in the Croma section of the TV
some times it ma happen due to 99% of moisture.........
Try Hot air Blow drying for 1 HR in side the TV i.e on the circute and blow clean if any dust partical are there
and then re check
if the problem prestis....contact the TV repai expert or the service centre....
May the Croma chip needs replacement....
Regards

Sep 20, 2009 | Mitsubishi WD-52525 52" Rear Projection...

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Tv has double image color red and a curl line on left upper corner also sometime in middle of tv it has line


This sounds like a problem with "convergence" of the TV. Convergence is the electronic aiming of the Red, Blue & Green projectors. Typical convergence problems look like double or triple images on part or all of the screen, wavy lines, curled edges, excessive red, green or blue color or tint, etc. Sometimes, convergence issues can be corrected in a menu setting of the TV that has to do with "Picture Settings" or "Advanced Settings".

If the colors are out of alignment a great deal or went out "all of a sudden" it will probably not be repairable via the menu adjustment described above - but is certainly worth trying.

If it does not straighten out with the menu adjustment, it will probably require replacement of the convergence integrated circuit(s) chips located in the TV. This was a big ticket repair years ago, but can be done sometimes for as little as $40 in parts. Don't let the low price fool you though.. It can easily take several hours (or more!) to access, remove & replace the components and reassemble the TV. Soldering skills are a must - and I'm not talking about soldering plumbing pipes here either. These are delicate electronic parts and need a 15 - 30 watt soldering iron and desoldering braid or solder ****** and LOTS of patience to perform CORRECTLY. As such, it is another "not a DIY project" unless you're willing to turn your TV into a large floor model paper weight. If you decide to attempt this repair, you should google your TV brand and model along with the term "convergence". Parts, costs and procedures vary by TV. Unplug the TV for a day or so before starting the work to let capacitors discharge fully - just to be safe. Lastly - don't forget the heat sink compound - it is an absolute *must*!

Sep 17, 2009 | Hitachi 53UDX10B 53" Rear Projection...

2 Answers

Red, green and blue colors don't match up on screen.


Please replace convergence out ICs (usually two) in TV.
If it is Hitachi 43UWX10B then its convergence out ICs are available in Part Store
Thanks.

Aug 24, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Samsung HCN4727W Rear Projection TV, green screen, audio works


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai2_bing.gif,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 10, 2009 | Samsung HL-R4667W Rear Projection...

1 Answer

Three separate images about 4-5 inch apart on my TV


Symptoms shows TV has problem of faliure of convergence out ICs. (2 ICs in TV) and need to be replaced.Let me know do you want to repair it at your own? ...
... if yes, it is necessary to have experience of TV repair and basic electronics knowledge.

Nov 23, 2008 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Blurry double image on the edge of the tv...


If you have tried to adjust the convergence on your TV within the menu feature then typically you do have a convergence problem. Check out this video to be sure...

Apr 16, 2008 | Pioneer SD-P50A5-K 50" Rear Projection...

1 Answer

Seeing double image in three colors


Its a convergence problem for sure ,,,if you cant move the red or blue (green is stationary) then your problem lies on the convervence module.. requiring ....mostly new output ICs like STKs your going to need a tech, for convergence is a common problem with rear projectors and requires patience and a expert to get it back just right. good luck

Sep 01, 2007 | Akai PT4298HD Rear Projection Television

1 Answer

Green Shadowing Around Images On Akai PT4398HD


your convergence amp's are defective this can usually be repaired for a few bills. easy fix for a qualified repair person...john

Aug 31, 2007 | Akai PT4298HD Rear Projection Television

1 Answer

Sony KP-57WS500


the unit needs the convergence ic's replaced and probably a couple of safety resistors.average repaire are about 300 from a tv shop

Mar 04, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Samsung HCM5525W TV red blue outlines on images


The Samsung has bad convergence IC's most likly. This should be repair ONLY by a trained technician as a TV set is not a place to experiment or tinker with because of the extremly high voltage inside. This repair should cost you in the range of 250 to 400 bucks . Good Luck

Jul 31, 2006 | Samsung HCM5525W 55" Rear Projection...

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