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My speakers had a high voltage now they are not working, what the problem be and how can i fix it

The power light is not coming up. please help i just bought them last month.

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Is this a problem with your camera? Or speakers? It would help if you would tell us what type of speakers you have and what you mean by "a high voltage." How? From the limited amount of info here I can only guess you blew a fuse in the unit.

Posted on Jul 24, 2013


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that high whine sound you hear is the circuit crowbar most likely as its shuts down the high voltage because of a bad voltage detected in the circuit. simple for a tv tech but not worth it to the average peroson to fix

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This has the earmarks of a failed power adapter. If the voltage is low, everything will saturate. WARNING: You could do damage to the electronics if you try to drive high levels through the unit to compensate for low output from unit.

Check the voltage from your adapter. Check it UNDER LOAD as it may collapse when connected to the unit.

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I assume you use a set of PC speakers with own power connector.
If the power connector is plugged in properly and the power source is operating flawless, then either the power cable or the internal power supply are broken.
The soundcard has by 100% nothing to do with the voltage control of your speakers. All it sends is an audio signal (Unless you relay on USB speakers, in which case the power actually MAY come from the computer, but I excluded that since you said you're using a soundcard, and those don't provide USB output).

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You need to check the DC voltage across the power and ground terminals of the amp. If the voltage drops below ~11v when the amp shuts off, you need to check the power/ground wiring and fuses.

If the voltage remains above 11 volts, you may have a problem with the load on the amp (incorrect ohm load, shorted speaker, shorted speaker wires...).

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No picture no sound

most likely the horz output is blown and voltage regulator is shorted. I f you have a muti meter you could check if they are shorted that will tell me if the power supply is ok.

I beleve at this time you should be careful this is high voltage off of flyback is 30.000 volts

See if there is a local repair shop who charges cheap road calls. I think you are
looking around 295.00 to fix.



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You have an power supply problem & or a high voltage flyback transformer gone bad. The regulator is usually an STK followed by some numbers, located on a separate small board above the main chassis in the rear of the tv. The flyback is down on the main chassis & has a red high voltage lead wire coming out of it that goes to the high voltage/focus block.

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