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When I press the power button, the unit clicks somewhere near the power supply, but it doesn't turn on. About 20 seconds later there is a second, quieter click. I pulled out a 125v 6.3A fuse near where the power cord plugs into a circuit board. The fuse wire bulges out in the center, like there is a bead in the middle of the wire. Is the fuse the problem or is it something else? Thanks for any help.

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  • Brad Brown Jul 31, 2017

    Hi zerodukemit, I want to help you with your question, but I need more information from you. Can you please add details in the comment box? make model and year?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 119 Answers

SOURCE: Kenwood KR V8080 receiver

if you sent 110v down the speaker wires & into the amp you most likely have damaged the audio outputs or the output ic. Look for a big aluminum heatsing & on one side you may find 1 or 2 ic's or numerous transistors, the ic's are hard to check, the transistors are easier to check, if transistors replace in pairs. also check for burnt /open resistors near outputs

Posted on Nov 02, 2006

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robotek
  • 1512 Answers

SOURCE: unit wont turn on

.Hi jepenny

The board you are looking at is the standby cct and power switching PCB. It sounds like that is working, so you have probably lost power to the transformer primary or the transformer is open circuit. Check for blown fuses and replace with exact same type and rating.

Be sure to unplug at the wall before touching any internals!!

If you can find no blown fuses, the power transformer may have failed. Good luck, get back to me here is you need any more advice. Thanks for using "FixYa"

regards
Graeme

Posted on Feb 18, 2008

  • 4234 Answers

SOURCE: Kenwood Receiver KR-a5020 receiver won't come out of standby

The unit is in what is commonly known as "protect" mode. This means that a problem has been detected in the final output stage of the amp and the outputs are shutdown to prevent further damage to either the receiver or speakers. This should not be a difficult repair for a service shop. Expect a parts cost in the $25-$40 range. Add in the local labor rate for the total repair cost.

Dan

Posted on Nov 28, 2008

  • 1 Answer

SOURCE: NAD 7140

The clicking is the sound of a bad relay. A relay is an electrical switch that opens and closes under the control of another electrical circuit. There is no user solution for this. You'll have to take it to an electronics repair shop (~$150) or dump the whole unit.

Posted on Dec 19, 2008

  • 2 Answers

SOURCE: I turn it on, it clicks off within a few seconds.

It sounds like a problem with the power supply. You might be able to find a place that can fix it, but I don't know for sure. It also could be a broken solder joint in the power supply.

Posted on Jan 12, 2009

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Hi, welcome to fixya!

You need to reset your sansa for it to be in order again.

Learn how to reset the your various San Disk models;

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1. Slide and hold the Power switch up for approximately 20 seconds.
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NOTE: The device can be either ON of OFF.

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I have a Mitsubishi WD-62525 HDTV that suddenly wont turn on. Just has a green blinking light when you hit the power button. Any ideas?


I found this on another website, most likely it is your power supply capacitors.
  1. Press the "reset" button and hold for 10 seconds .... Does TV turn on and blinking green light turn to solid green.

  2. Unplug the TV from it's power source for various times, ranging between 5 minutes and 24 hours..... Does blinking green light continue upon plugging in the TV.

  3. Disconnect ALL devices from the TV; DVD, Tuner, Cable Box, unplug the TV for various duration times .... Does blinking green light continues upon plugging in the TV.

  4. Press Power and Menu buttons simultaneously and hold depressed for 20 seconds .... Does blinking green light continue to flash.

  5. Press Power and Display buttons simultaneously and hold depressed for 20 seconds .... Does blinking green light continue to flash.

  6. Insure that no front panel buttons are inadvertently stuck in an "engaged" position.

Diagnosis: If none of the above test resolve the issue, then the failure lies in one of the following:

  1. DM Module Capacitors have FAILED.
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1 Answer

My hitachi will not power on when clicking the power button it comes on for a second or less and immediately clicks off


I have worked on a lot of these sets and in fact own one almost identical to yours. The shut off means either a "shut down" circuit is being engaged because of a problem somewhere in the set OR you may have the same problem mine had---here is what I did.

I plugged the set into a outlet controlled by a wall switch: turn set on and it shuts off, turn wall switch off for a second and back on and try turn set on.

In my case sometimes had to do this many times but eventually the set would come on. In my case problem turned out to be bad capacitor near the main power relay, that is the click you hear when try turn set on----if it will not come on after say 20 tries it is bad part most likely in power supply or even bad solder connections that develop after age in many set.

Let me know what you find and IF ANY QUESTIONS feel free to comment here and the site will email me so I can assist you.

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Could be an open internal fuse or power supply failure

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My Hitachi 42HDT79 is having problems coming on. When powered up the red light in the lower right hand corner lights, but will not turn to blue indicating regular operation when either the remote or the...


I have the IDENTICAL problem!! I've opened up the back and pulled the 100v 3300uf capacitor from the power supply board as it is bulging. I'm going to replace it tomorrow when the stores open (1:20am as I write this) - hopefully a common enough cap that I can find one in stock somewhere locally (GTA). Various information on line seems to point to this as the culprit. Fingers crossed it'll work...............

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