Question about JVC AV-48WP74 48" Rear Projection HDTV-Ready Television

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My JVC 48' I'art when cut on has popping sounds coming from the speakers. It will do this for 30 or 40 seconds then stop and the blue light on the front will flash on and off. Pleae help! Laid off and broke!

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  • greg ellerbe Jan 15, 2009

    I have no picture and popping sounds coming from speakers and the blue power light is flashing.

  • dreameyez18 Jan 17, 2009

    I am having the same problem. I don't even have to turn it on. As soon as it's plugged in, popping noise comes from the speakers and the blue power light flashes. Please help!!!!

  • carl5199 Jan 30, 2009

    same thing really. turn it on and it pops for a bit then nothing. blue power light flashes. no picture at all. black screen.

  • paulpenajr13 Feb 02, 2009

    tv comes on no picture

  • cubefreak25 Mar 03, 2009

    Its not that expensive tard. I see why your still an apprentice. Its a convergence board issue. The stk's were $50.00 on ebay and the resistors were under $3.00. Better yet, if I didn't want to solder them in and replace them myself, the convergence board costs around $150 new. Instead of posting something as stupid as that comment next time post something helpful. That is what this site was intended to be, a help forum for people with technical problems. If anyone has issues with this model tv email me at cubefreak25@yahoo.com. Ill be glad to help anyway I can.

  • jcoggins1 Mar 08, 2009

    my jvc 48" I'Art popped a few times and the screen went black, the blue light started flashing. i unplugged the set then plugged it back in and it started clicking like when lighting a stove then the thumping started and blue light started flashing again. we are having thunderstorms.

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Sell parts on ebay will get $$$$ to expensive to repair

Posted on Mar 03, 2009

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1 Answer

The blue power light flashes and you can hear a popping sound but no picture or audio


I hook up another set of speakers to my tv that was connected to a amp.when we turn on the amp it blew something we could smell something burning it the tv

Jul 03, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

HI, my JVC AV-48wp30 has the same symptoms as other posts here. Powers on with no screen, HV, and no CRT heater coils light up. Thumping sound in speakers, and then shuts off. Blue light flashes. ...


take off the front panel and unplug the convergance board up front just behinf panel if the set now comes on replace your con amps if not you have a power supply issue more than likly the con amps are bad

Nov 20, 2009 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Jvc i art pro doe not turn on


The clicking sound is the TV trying to restart itself. It generally attempts this several times before giving up. The blinking code indicates the type of error (error codes are documented in the manual for the TV). The most likely cause is a burned out bulb, but could be something else.
If it is a bulb, it is usually replaceable without a service technician, and at a cost far less than $450.
Good luck.

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1 Answer

Flashing power light on JVC 48W TV


Tri to remove the concergence pcb assy and start the Tv.If the TV is working just replace the convergance IC.

Feb 11, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Lost sound on JVC TV


http://www.amazon.com/JVC-AV-48WP30-Widescreen-HDTV-Ready-Rear-Projection/dp/B000066R7X

Cut and paste this link. Amazon's page has a link to the JVC manual. That'll tell you what you need to know

Jan 21, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

JVC AV-48WP30 48 in. Rear... Problem:


Take the batteries out of the remote control. Press every button 2 times. Then re-insert the batteries. While doing this unplug the TV and hold the power button down for 30 seconds. Then let go and leave the TV unplugged for 3 min. Then turn tv on do a channel scan and then try yhe remote.

Jan 08, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

JVC I ART


Funny sounds tend to lead to a short of one or more componets most likely the HOT and FBT I also would not rule out the convergance IC's. this repair should be left to the repair gods.

Jan 01, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Power-on problem


yes..jvc has an upgrade for the crt driver ic's replace all three chips and resistors note: resistors must be replace at time chips are replaced now call a local tv guy you know the fix!

Aug 21, 2007 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Jvc Av-48wp30


try unplugging for a few seconds the plug it back in

Jul 11, 2007 | JVC AV-48WP30 48" Rear Projection...

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