20 Most Recent JVC AV-56WP74 56" Rear Projection HDTV-Ready Television Questions & Answers

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6answers

Green curved lines going across my t.v.

change the green lamp
7/14/2019 5:13:14 PM • JVC AV-56WP74... • Answered on Jul 14, 2019
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2answers

04TA0691 power supply

Hi
I have a .pdf of the diagram - can you let me know your email so I can send it - it's too big to attach.
Glyn
12/6/2018 8:26:46 AM • JVC AV-56WP74... • Answered on Dec 06, 2018
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1answer

Removing STK-392-110 chip

Hi, they overheated and are really stuck to the heatsink compound you will have to use a flat blade screwdriver and a hammer and tap them until they break loose, be SURE to remove the old white heatsink compound before you apply the new compound to the new stk`s, you did purchase a tube of heatsink compound for the new stk`s right? No compound = cooked stk`s in 6 months, good luck, video-tek
10/18/2016 6:04:36 PM • JVC AV-56WP74... • Answered on Oct 18, 2016
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1answer

What does message ''warming up now, please wait'' mean?

I can't be sure, but it may mean "warming up now, please wait".
8/8/2014 6:37:37 AM • JVC AV-56WP74... • Answered on Aug 08, 2014
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1answer

OK so my jvc av56wp74 will turn on with a green

it sounds like u need a new lamp with housing if that dont work than its your main board on the inside of tv. but i would try the lamp first
9/19/2013 12:36:07 AM • JVC AV-56WP74... • Answered on Sep 19, 2013
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1answer

Just bought and installed convergence board and green is sweaped to one side in the middle

It sounds that the convergence adjustments should be re-touched. If you wish to get more details, check this site linked below. Pull up older posts there. Check the site with patience, as it has over 2350 posts now. All are related to electronic equipment repair help. If you search the site in Timeslide option, which can be selected from the drop down list at the top left of the display window, it will be easy to locate the related post. You can also do a search by type in the brand name to your device into its search box at the top right of display window.http://electronicshelponline.blogspot.com/
4/26/2013 7:00:56 PM • JVC AV-56WP74... • Answered on Apr 26, 2013
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1answer

Picture looks double

Most likely the two stk-392-110 convergence chips are bad and need replacing, several sites sell kits for this.
12/22/2012 7:23:32 PM • JVC AV-56WP74... • Answered on Dec 22, 2012
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1answer

Picture was fine until I put the TV on p

you can try to adjust the horizontal position
11/8/2012 4:24:01 PM • JVC AV-56WP74... • Answered on Nov 08, 2012
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1answer

Jvc tv has double exposure and curve

Convergence is most likely for this model------that circuit in this set is right at front behind grill below the screen.If you can solder it is a do it yourself type repair with parts under 30 dollars (most shops get 250 average parts and labor) and I can tell you how to get that board out and what is needed.11_1_2012_3_22_55_pm.jpg11_1_2012_3_23_20_pm.jpgHere is the board removed from a set.
11/1/2012 3:23:41 PM • JVC AV-56WP74... • Answered on Nov 01, 2012
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removing stk 392 110 chip

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