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Harman kardon hkts200sub no power - Audio Players & Recorders

Posted by Anonymous on

5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

im4um2
  • 77 Answers

SOURCE: When I go to power

Depending on your ablilities there might be a quick fix. It sounds like the contacts in your on/off switch are either corroded or worn out due to heat. Ensure the unit is unplugged from any electrical source. By opening up the unit you will have to detach the on/off switch, and by bending the prongs carefully, open the casing up. Clean all internal part using contact cleaner. If the contacts are worn or corroded, you can try replacing or what I did was added some solder to the contacts and put the unit back together reversing my steps.

Good Luck.

Posted on Jun 27, 2008

  • 382 Answers

SOURCE: can I conect harman Kardon avr 230 to apple tv

Yes, although it (AVR) does not support HDMI only component video.

Connect the audio to the receiver and the video directly to the TV if you have inadequate video inputs, or want to take advantage of the HDMI.

Posted on Jan 01, 2010

Testimonial: "cheers, have a good year."

caroldon
  • 17129 Answers

SOURCE: my Harman Kardon HS 250

Possible that the microprocessor stage is not working and is not conveying any display to the unit.
remove the cover and check the 5Volt rail to the mP section. If the voltage is absent check on the 5 volt regulator.
If present and there is no life, then check for oscillatiion of the crystal, might need a CRO to confirm if the mP is working or the clocck signals are present, if data tranfer is present. If not mP is faulty.Take help to confirm and find a source, might be approach Harman Kardon.

Posted on Aug 30, 2010

dunnbiker
  • 8546 Answers

SOURCE: harman/kardon avr 110, cuts off

Generally speaking, an amp protects itself from heat, shorts and overloads.


Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Posted on Jan 29, 2011

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My MacBook's audio still on even when harman Kardon speakers are connected to the computer.(Original version with USC connectors).


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Orastie
Wow, general problem here, but the most near your problem could be, power failure, or the Power adapter is bad, or a energy failure at home, time to buy a new adapter.
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