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The dvr99 3 dvd home theater receiver will not stay on

When you push the power button the screen flashes ''Dvd/CD'' then flashes ''Protect'' and then flashes ''Off'' and immediately turns off. It was working fine and then this.I've had it for about 5 years. What do I do?

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Protect kicks on commonly when it over heats or when the speaker wires are crossed and it detects a short on the output. Your symptom sounds as though it may be a speaker wire because it happens right after the power is turned on. Check the speaker wire carefully, it has a habit of breaking inside the connectors of both the receiver and the speakers, especially after 5 years of service.

Posted on Feb 27, 2009

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When I turn my system on, it waits 5 seconds, says "PROT" then shuts itself off.


There could be a short circuit in one of the speakers. This would cause high current flow thru the amplifier and result in self-protect. Disconnect all speakers from the unit and try powering up again. If there is no PROT, then reconnect speakers one by one until fault found or all speakers are reconnected.

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Sounds like either a blown mainpower fuse or the thermal fuse for the power transformer. If the protect circuit was kicking in, the display would light up, but then turn off with a red blinking light. the green light with no display means the transformer is not getting power.

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My kenwood vr-616 keeps cutting off while listining to the radio or watching the dvd, I have plugged the dvd into a different power supply and the dvd keeps playing but the system shuts off and the power...


Hi,

The unit may be overheating and shutting down to protect itself.

Please check the fan grills and make sure they are not clogged up with dust as can often happen to amps and receivers. If that is the case then a vacuum cleaner can be used to remove the dust.

If the unit is inside a cabinet try running it outside the cabinet. If it runs for longer before shutting down then this would indicate that it is overheating.

I had the same problem with my Sony home theater amp/dvd and cleaning out the dust cured the problem.

Please rate my answer if this helps.

Many thanks,

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You need "watts" of power to push air, while the devices produce milli-watts (watts/1000) of power.

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Don't forget to disconnect your sources also(dvd,satellite,vcr,cd player,etc) they could have a short in any of them causing receiver to go into protect,If still flashing "protect" your Sony could have an internal short of it's own, or caused by an external short previously mentioned. Good luck !

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1 Answer

Protector push power - dvd home theater system


Protect mode will kicking whenever a fault is detected.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

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when i turn on sony receiver it will not play it just says protect on the screan

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1 Answer

Brand new avr588 receiver is turned on....is on for five seconds and then cuts off to standby


Hi donnie025,

I can't believe you haven't received an answer before now.

The red flashing light normally indicates that the protection circuit has been tripped. It can be caused by something as simple as a short in a speaker wire. Even if there is one strand of loose wire that makes contact with the back of the receiver, another wire, etc. it can cause a short. To protect itself the receiver will simply shut down.

1st. I would suggest disconnecting all the speaker wires from the back of the receiver. Then turn on the receiver (obviously you won't hear any sound) and see if the receiver does the same thing. If it does you should try disconnecting all of the source components (DVD player, Cable box etc.) and try again. If it still does it the receiver is bad and needs to be serviced or exchanged if you still can.

2nd. If the receiver stays on after you disconnect, then turn off the receiver and connect one speaker at a time, then power on the receiver at test it after connecting each speaker. This way if it suddenly shuts down after connecting a speaker you know which speaker or wire to check.

Let me know how it works out for you, I hope this helps if you haven't figured it out already.
Matt @ OneCall
www.onecall.com
twitter.com/onecalldotcom

Nov 08, 2008 | Denon AVR588 Receiver

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