Question about JVC RX-7000V Receiver

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JVC RX-7000V Shortly after turning on my receiver, the display flashes the message OVERLOAD. I have the voltage selector set to 110, however this unit seems to have been purchased over seas, it has the European style plug. Which component could have fried?

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  • Anonymous Jan 28, 2009

    My unit does this even when the receiver is hooked up to nothing. I have a JVC mini stereo in for repair that does the same thing.

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As per the instruction manual the overload is there because of high volume condidtions and your over heating the unit. They recomend to turn down the volume shut off the reciver wait a few minutes and turn back on the unit with lower volumes. Second it states that the peaker wires or speakers could be shorted so make sure the speakers are good and the wires when you connected them to the reciver are not shorted. If all is hooked up properly then you have a problem in the output stage of the amp and its gonna need service unless you know how to replace the defective output devices? If not Go online at the addy I give you to find about service parts or service manuals.. Good Luck http://www.jvcservice.com

Posted on Apr 23, 2006

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Posted on Jan 02, 2017

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How do i factory reset my Harman Kardon avr 55 receiver


Troubleshooting Guide

Processor Reset
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ELECTREPAIRUSA@ELECTREPAIRUSA.COM

Jan 05, 2017 | Harman Kardon Audio Players & Recorders

1 Answer

Standby mode


When the STANDBY indicator

flashes

Immediately unplug the power cord

and check the following items.

• If your unit have a voltage selector,

is the voltage selector set to the

correct voltage?

Check the voltage for your region,

then make sure the voltage selector

is set correctly.

• Are the + and - speaker cords shortcircuited?

• Are you using the supplied

speakers?

• Is anything blocking the ventilation

holes on the rear of the unit?

After checking the above items and

fixing any problems, plug in the power

cord again and turn on the unit. If the

STANDBY indicator still flashes, or if

the cause of the problem cannot be

found even after checking all the

above items, consult your dealer.

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When i turn on receiver JVC rx-6032v it says overload


Overload indicates a short in the audio output semiconductors, check speaker wires for shorts, if okay! you will need a professional to assess cost to replace outputs.

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Have recently had an "overload" displayed. Have


HI:
Usually receivers go into overload due to a bad speaker make sure you disconnect the speakers also to make sure its overloading from a bad speaker. If the unit still shows overload even with all speakers disconnected, then your main amplifier output has a short usually a shorted output transistor is the cause. Unplug the speakers one at a time to and turn the unit on after disconnecting one of the speakers , to determine which speaker is at fault.

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I have a sansui stereo av receiver rz 7000 from 1990 which works on 110 220 230 volts and the receiver has a voltage selector on the back - I need to understand how to move the selector from 220 to 110...


Remove the fuse cover with a flat screwdriver, then pull the surrounding circular black plastic piec straight out and reorient it to show the desired voltage, then plug it in, insert the fuse and cap.

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How do i switch the Hz setting on the monitor


Usually, if there is a selector switch to match electrical requirements of a monitor or computer to that which may be available in the home, it is for voltage or voltage AND frequency. Seldom is there are selector for frequency only (I've yet to see one anyway).

The selector switch it typically found near where the AC mains power cord enters the enclosure. This can be on the monitor itself - or in the case of a monitor that uses a low voltage cable and connector connected to a power adapter, it would be located on the power adapter instead. Sometimes, these devices automatically detect and switch to match the power being supplied to it. The device should clearly indicate that it will work a wide range of voltages - do not assume it will if it does not specifically indicate that it will.

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The selector above is set to 230 volts.

Set the selector switch BEFORE connecting to the power outlet. Most times, the selector switch has the voltage indicated on the slide. The switch will allow the user to choose 110-120 or 220-240 volts. The 110/120 selection is likely to be the 60 Hz variety and the 220/240 selection is likely to be 50 Hz.

If you are unable to locate such a switch, the device is not intended to be changed by the user - and there is likely no "easy way" for the user to change it.

Please rate this reply - good luck!

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Display shows overload and receiver shuts down


This means that one (or maybe more) of the amplifiers is shorted. Remove all speakers cables and try again. If you get the same message that means that one (or more) amplifiers is fried. To find which and why you will have to open the unit and test the amplifiers.

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My reciever plays then cuts out


They don't overload from missing speakers. I'm curious, what buggered the one speaker?

Examine all of your speaker wires carefully to be sure no unintended contact is made between them and anything else.

Is "overload" being displayed?

“OVERLOAD” starts flashing on the display.

Speakers are overloaded because of high volume.

1. Press STANDBY/ON on the front panel to turn off the receiver.
2. Stop the playback source.
3. Turn on the receiver again, and adjust the volume.
----------------
Speakers are overloaded because of short circuit of speaker terminals.

Press STANDBY/ON on the front panel, then check the speaker wiring.

If “OVERLOAD” does not disappear after turning on the receiver again, unplug the AC power cord, then plug it back in again.
If speaker wiring is not short-circuited, contact your dealer.

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Speaker compatibility ( Just got this new reciever with 120 volts power requirement of the receiver, but in the philippines voltage standard supply is 220. can i use 110 voltage supply instead? and I dnt...


The most likely answer is no. Unless the power transformer is of the multi tap type and has a voltage selector window on the back panel... Most speakers today have an impedance of 8 ohms. The impedance is all you need to worry about when matching speakers. You can fit 8 ohm speakers to a 4 ohm system, but you cannot fit 4 ohm speakers to an 8 ohm system. It would overload your oputput stages and cause them to fail. It's best to match 4 ohm with 4 ohm, 8 ohm with 8 ohms.etc.

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