Question about JVC AV-32D305 32" TV

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TV wont power on, clicking noise and flashing standby led

One of my neighbors gave me their broken JVC tv. When I turned it on, I got no picture or audio. There was a clicking noise and the red standby light on the front was flashing. I opened up the tv and found the clicking noise to be coming from a relay directly next to a transformer (not the HV transformer). When I was originally testing this, there was a terrible burning smell coming from the tv (not sure where exactly) and there was some small amount of smoke. Is this problem only from a broken transformer, or is there a bigger problem here? Thanks tv does not work timer light flashes after clicking noise inside tv stops

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Re: TV wont power on, clicking noise and flashing standby...

Sounds pretty bad to me, I had a computer monitor that did a similar thing when plugged in after blowing, it's not a good thing. I didn't even bother to mess with it. You may have to replace the whole power board or at least have a whole handful of pieces to re-solder. It most likely isn't worth it unless your other tv's are under 30" and you don't have a lot of money ;)

- Dave

Posted on Dec 28, 2007

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TV wont power on, clicking noise and flashing standby led

To all the user with this problem.

The TV is on protect mode. The clicking sound is the protection switch that keep turning the TV off to prevent further damage, this happens when a fault had been detected.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.

If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

Appliance parts, electronics parts & more from

Encompass Parts Distribution

Electronic Replacement Parts: Plasma & LCD TVs, Appliances |

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