Question about JVC AV-32FA44 32" TV

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No picture, No sound

The made a popping sound. The TV repair has said the unit needs a new power supply board, cost $280. Could this be the problem and does this appear to be a reasonable cost?

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Hi there!
If the set is dead after the popping sound, then it has probably blown a component due to high voltage. Everything inside a tv starts with the power supply. Nothing will work unless the power supply is 100%. I don't know what your rates for repairs are in general, but the price sounds good. The final decision is yours to repair or replace. Good Luck, JUS004

Posted on Mar 09, 2008

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Posted on Jan 02, 2017

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sounds like the power supply board..could be the system board, but sounds more like the power supply board..this unit still under warranty?

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You are most likely getting bad capacitors in the main power supply as well as the sweep power supplies. Looking at the age of this unit, the cost to replace the power supply, it will cost you about 350 to 450 to repair this set. You MAY ALSO need to replace the High voltage/ sweep board as well. The best way to properly tell would be to call out a factory authorized Zenith repair center. They should have all the boards available to test the TV with. That would also be a bit more to repair. In my opinion, the cost would not justify the repair. Good Luck with your TV set.

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When they say the board I would think the power supply board ( unless they meen the whole screen itself)is the problem, In my experience the problem may not be that costly, If it went pop I assume the fault caused the fuse to go ( the one inside the tv), if so it could be a small component . It may be repairable for less, at least get a second opinion.
Unless the power supply needs a total rebuild or the screen itself it shouldn't cost that.
pete

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Screen brightness is dull and about half or less of normal. And the tv makes a pop once sometimes twice when turned on. but comes on and has sound and picture.


Hi,

The pop noise and dull picture confirms that there is an internal failure. It would be really tough to speculate the exact cause. However, in most of the cases it is due to a bad IC in the power supply unit.If you have experience in repairing electronics, could read schematics and would be able to keep precautions, you could open up the TV. Locate the power supply board and on that you could see some bulged / fused / swelled / leaked capacitors. De solder them and buy the same value caps from Radioshack or Fry's. Re solder them properly and you could fix the problem.

Other than this, it needs more advance troubleshooting which would need other testing equipments.You could revert once you check the power supply board and we could further continue.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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If the pop up menu isn't coming on the the screen either, then it's a high possibly that the power supply board for the screen when bad. Most TV manufactures call it a Backlight Inverter Board. You can usually find a replacement over the internet.
Or, if you have some electronic experience, you can repair the board by soldering in the new part. The best thing to use to help with diagnoses is a Service Manual for the TV. Usually, costs under $20 over the internet if available. It will have schematics, test points, and part numbers for the TV.

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Hi James,
This could be one of two problems. I can't narrow it down any further without having the set in front of me.
1. The plasma panel or the componets which supply electricity to the plasma in the panel have packed up.
2. The video processing unit in the set has gone.
As for the cost of repair, if it's the panel, buy a new TV. It'll be cheaper. If it's the component that supplies the electricity to the plasma on the panel or the video processing unit, expect to pay between 300-400 as a conservative estimate for parts. Labour would be another 100-200.

Hope this helps


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Hi there!

Something did Pop and yes it will cost 150 - $300 to repair. The question is what would a new unit of the same size and quality cost. If the repair is about a third of the cost of a new unit , it would still be considered economical in RSA. If repaired it may run again for another 4 years so the Math speaks for itself. The decision entirely yours in the end. It could really be anything that popped so to give advice would be difficult. However, try the fuse first. It is certainly the cheapest option at the moment. Regards and good luck, JUS004

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I bought one of these tv's at a thrift store and it had the same problem, orange light blinking and static sound coming out of the speakers, no video at all.
The problem was the power supply board, this power supply has multiple outputs that feed the circuitry, 12V, 24v, 5V.
There was nine electrolitic capacitors I had to replace to fix it, all of them were bulged they are easy to spot, I measure one of them that was supposed to measure 1000uF but measured only 65uF. you can buy these from digikey for about 50 cents each, they need to be rated at 105 deg c and the profile has to be below the heat sink otherwise they will hit the top of the heat sink, the spacing between the leads has to be 5mm so they fit in the pcb. I replaced 3 1000uF/25v, 3 470uF/16v and 3 1000uF/16v and that fixed the problem, I bought this tv broken for 100 bucks fixed it with 6 bucks.
Good luck, don't perform repair if you are not familiar with dangerous AC voltage inside the TV.

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