Question about Koss KS3101 System

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My power light keeps flashing.

My receiver no longer works. The power light keeps flashing and won't turn on. It sometimes will work but then the next day the light will flash again.

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  • raddar242 Nov 30, 2008

    I find I can reset it by unplugging power cord for at least 5 min. However, upon playing a DVD the player turns itself off and the power light starts to flash and stays flashing.

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  • 64 Answers

Diagnostically this isn't a signal that the company lists. This therefore must be a short. Bring this in for service and let them know that your device wont power up. I'd say it need a nes switch or power supply. Hope this helps! Thanks!

Posted on Jul 27, 2007

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Posted on Jan 02, 2017

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Power switch wont turn on,keeps clicking


The fault is not a relay, the clicking sound is just the protection circuit that prevents the TV from starting because a fault had been detected.

The TV is on protect mode.

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.


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Won`t turn on


Hi,
Try leaving it unplugged for longer period of time. Look on the remote for any possible reset function. Try power button without the remote. If any ot these doesn't work there is a power supply module inside that malfunctioned. If under warranty contact where you purchased it. If not under warranty if you can get the module it is a simple plug up procedure.

Dec 31, 2007 | LG 42LC7D-UB Television

1 Answer

Tv does not turn on


When TV does not start, and sometimes you hear a clicking noise, that means that the TV is on protect mode.

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.

Aug 18, 2007 | Zenith L13V36 13" Flat Panel LCD Monitor

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