Question about JVC AV-48WP30 48" Rear Projection Television

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Tv shut off and wont come back on

My tv shut down and when i turned it back on it made a clicking sound for 5 sec. and then it stopped. the blue power light now flashes and no tv picture or sound? thanks for any help u may give, jb

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Hi I had the same problem with my TV and I fixed it by changing the 2 ic's part #STK392-110. Very common problem with this JVC TV. Its the 4th time i change them.Circuit runs to hot and burns them out

Posted on May 12, 2007

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Your TV is going into some kind of a protection shutdown. In todays tvs just about anything wrong anywhere and the tv will do what it is doing. Unfortunatley there is probably little you can do yourself to track it down, probably need a pro.

Posted on May 10, 2007

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Okay, I found a fix! Called JVC, spoke to somebody there, here it is:
1)unplug the TV completely, no wall no power strips, completely
2)wait 10 sec
3)plug TV back in and Turn it on, the light will still be doing the same thing
4)wait 30 sec
5)ON THE TV, not the remote, locate the menu, volume (-) and power button.
6)while simultaneously holding down the menu and volume (-) button, pressed the power button ONCE and continue to hold the other 2 for 10 sec.
7)on the remote control, go to menu>settings>system info
*** now this I know as a FACT will work on systems that display: JVC - ver.5.32FO001, but I don't know of any other versions***
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1 Answer

Hi i need your help please


When you adjsuted for the blue you were actually adjusting the voltages to the CRTs (lamps) which in turn shut them down. You will need to turn each one of the dials up agin untill your tubes stay lit, then the coolant in the green and blue CRTs will need to be changed as the green evidently is contaminated thereby making the blue dominant. But when you turn down the G2 controls your actually turning down the High voltage to the picture tubes thats why they dropped out on you.

Aug 24, 2008 | Televison & Video

1 Answer

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Good Day;
It sounds like the TV may have a shorted CRT, picture tube, but let's trouble shoot:
1. Unplug TV from wall.
2. Remove speaker grill, two on bottom, the screws are covered with plastic caps, right and left side on bottom next to floor.
3. Remove inner panel.
4. The blue tube is the one the right side, remove socket, with phillips driver, make sure it's not touching anything.
5. Plug and turn TV back on, if picture appears with no blue it's the tube.
6. If still shuts down, bad blue CRT driver IC.
CAUTION: Call a factory authorized service dealer to give you an estimate, if this sounds too hard.
Good Luck, Day, Big Irish.

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1 Answer

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