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Kr-v7020 protect display is flashing - SR-10 Adpater Cable - Kenwood Twin-Pin Radio Cable - SC-A0110

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Karbonn k9 white display


halo sir karbann k9 white display

Jun 02, 2012 | Nokia N73 Cellular Phone

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When i turn on my kenwood kr-v990d it powers up for about 2min then shuts down


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise which can be a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board. Maybe the protect circuit by itself is shutting off due to a faulty bias or there is a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the amplifier comes out of the protect mode then check for short on the speakers.

Oct 23, 2011 | Kenwood KR-V990D Receiver

1 Answer

Kenwood kr-v888d after "ON", through 3sec.


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; 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 and competent hands-on tech.

Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.

May 18, 2011 | Kenwood KR-V5580

1 Answer

My kenwood, kr-v5580 dont have sound


There can be many causes of this. Please see the link below as the most likely condition is protect mode as described there. One experiment is to remove the speaker connections completely to see if the unit remains on. If so, the problem is with the speakers. If not, then the problem is internal to the unit. Feel free to post any additional questions.

Dan

Link: http://www.fixya.com/support/r5390728-protector_means

May 02, 2011 | Kenwood KR-V5580

1 Answer

When we switch on flash light ready signal green bulbe does not glow & flash is not fireing, but we can see only display in on.


Hey,
Mine seems to be in a bad shape too. It is not charging, and I have no control to the ETTL. I can't go either in the custom functions, or things like that.
Do you have the same symptoms ?
KR

Mar 16, 2009 | Canon SPEEDLITE 580EX TTL Flash

1 Answer

Where can I purchase a flash for ricoh model KR 5 super2


prasadsu,

any camera store will have a flash for your KR5. buy a non dedicated type that fits on the hot shoe.
or try ebay for a used one.

Jan 30, 2009 | Ricoh KR-5 SUPER II 35mm SLR Camera

1 Answer

Iam looking to buy a flash for ricoh KR super2


You don't need anything special. Just buy a flash with a hot shoe.

Jan 30, 2009 | Ricoh KR-5 SUPER II 35mm SLR Camera

2 Answers

KR-X1000 Power Problems


Sorry, no freebies from what I see online. But, when you power up, does it play before it shuts down? This will help me formulate a better answer for you...accordianman

Oct 25, 2007 | Kenwood KR-X1000

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