Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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BOUGHT JVC AV-56WP74 IN JUNE 2004. 52

BOUGHT JVC AV-56WP74 IN JUNE 2004. 52". TODAY WHILE WATCHING MOVIE, THE TV WENT BLACK AND STARTED MAKING A LOUD BANGING NOISE THRU THE SPEAKERS. NOISE COMES RIGHT BACK WHEN TV IS TURNED OFF & ON. OUR EXT WARR EXPIRED 5/09. WHAT DO YOU THINK? TIME TO PURCHASE NEW TV?

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It is worth getting an estimate. From the symptom you explained, it looks like the horizontal output transistor became defective.

Posted on Jan 26, 2010

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Purchased this 56" projection TV


You can get it repaired. Its maybe a resistor/s thats losing its value and needs to be replaced.
You can locate this on the mother board close to the or near to the Fly-back transformer section.
Good luck.

G.

Aug 03, 2011 | JVC AV-56WP74 56" Rear Projection...

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I was watching Tv and my tv went out and start making a thumping nosie, what could it be?


Mine is doing the exact same thing. Was wondering if you had gotten any good advice yet.

May 23, 2010 | JVC AV-56WP74 56" Rear Projection...

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AV-56WP74


Check all of the large resistors on the convergence board. Usually at least one will be fried. Most likely, the 2.2 ohm if I remember correctly. Of course, make sure all the plugs are correct and plugged in.

Apr 21, 2010 | JVC AV-56WP74 56" Rear Projection...

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JVC AV-56WP74 Colors quit working or went out of balance.


Guns or CRT are probably ok. Your TV needs a convergence IC STK392-120 replacement. Lamp are used on LCD and DLP rear projection TV's. Color wheel are for DLP's. :)

Dec 26, 2009 | JVC Televison & Video

1 Answer

Loud popping on jvc av56wp74


if the noise is from inside the tv in the back,the high voltage transformer that feeds the anode for the rgb tubes,28000volts probably is arcing.

May 23, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Black screen and increasing thunping sound coming out of it


The power supply wants to start up but some other circuit is gobe faulty and preventing it from starting up. Needs it service centre my friend. Dont keep on putting it on , you might damage more stuff.

May 12, 2009 | Televison & Video

2 Answers

Have a polaroid tv, model 3700 seriel F0600181940001053. WATCHING THE OTHER NITE AND A LOUD SQUEAL CAME ON AND THE PICTURE WENT OUT, TURN IT BACK ON TODAY AND THE SQUEAL IS STILL THERE WITH NO PICTURE..NO...


I have a flat screen polaroid lcd hdtv model 3700, first the sound started to get really loud with a beeeeeeeeep when we turned on and after a while was gone, now it doesnt! we had to put mute and connect the tv to a sorround system to hear it without that crazy noise, and now the colors of the tv are gone too its just black and white when we try to see the dish satelite but if we put a movie on the dvd player colors are perfect we try to conect the ps3 player too but its black and white too. Help what can it be!!!!????

Nov 14, 2008 | Televison & Video

1 Answer

Speakers making a constant poping noise.


this could be due to some static  please get your electrical point checked up 1st  is your tv hooked to watch television thru RF or AV please have the interlink cables if this does not help get back with more details

Oct 15, 2008 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

2 Answers

Sudden crackles in the right surround speaker!


Your speaker is busted. You will need to get another one. It really can not be repaired and if it can, it will cost more than a new speaker.

Sep 12, 2008 | Logitech X-540 Computer Speakers

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