Question about Panasonic SC-HT740 System

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Error F6-1 All speakers shut down

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  • Nail ponder Feb 19, 2008

    Mistake on error. It show F16

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I found out that it is the chip inside of the unit, its hard to be fixed and it is not guaranteed. I am possibly swiching unite, an upgrade actually, for only about $60 or $70. I just opend up my surround sound about two weeks, but bought it in 2007. Panasonic referred me to a svc agent 52 miles away from me and they do not even have an inhouse svc tech and they only fix electronics you purchase from them!!!...I THINK PANASONIC NEEDS TO BE REPORTED AND POSSIBLY CONSIDER THIS A RECALL!!!! would someone else respond and let me know what they think or if they had even fixed there error message.

Posted on Feb 29, 2008

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Posted on Jan 02, 2017

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1 Answer

Onkyo ht r591 keep clicking on/off


Hi Markes,

It could be that there is a frayed speaker wire touching the back of the receiver and when playing at a low level the speakers do not require that much power, however when the level from the speakers increases more power is required and if there is a frayed speaker wire touching the back of the receiver there could be a short causing the receiver to shut down. A way to avoid the frayed wire is to use "Banana Connectors" that the speaker wires goes to and the connector will plug into the speaker posts. Please try the following to see where the issue is coming from. Have the receiver turned off, make sure all the speaker wires are labeled, and disconnect them from the speaker terminals. Turn the receiver on select a source that would give you sound if the speakers where still connected and turn the volume all the way up. If the receiver shuts down than it would need to go to a service center as it is an internal problem with it. If the receiver does not shut down, turn the volume down, shut the receiver off and connect one speaker and than turn the receiver on selecting the same source as before and raising the volume up. If the receiver shuts down, remove that speaker from the post and connect it to another speaker post to determine if it is the receiver or the speaker itself that is giving you the problem. If the receiver should shut down after moving that speaker you know it is a problem with the speaker or the wiring. If the receiver does not shut down, turn the volume down, shut the receiver off and connect another speaker followed by doing the previous test procedure. Keep adding speakers until you have them all reconnected to the receiver as long as it has not shut off while trying the test procedure. After determining whether it is the speakers or the receiver you would need to bring either to a service center to be repaired. To locate an authorized independent service center, check the dealer and service locator at our website: www.onkyousa.com or www.integrahometheater.com, Thanks, JT

Oct 11, 2015 | Onkyo Audio Players & Recorders

1 Answer

My Receiver very rarely comes on but shuts off in few minutes even the standby doesn't lit up. but when on works perfectly.


Hi Joseph,

It could be that there is a frayed speaker wire touching the back of the receiver and when playing at a low level the speakers do not require that much power, however when the level from the speakers increases more power is required and if there is a frayed speaker wire touching the back of the receiver there could be a short causing the receiver to shut down. A way to avoid the frayed wire is to use "Banana Connectors" that the speaker wires goes to and the connector will plug into the speaker posts. Please try the following to see where the issue is coming from. Have the receiver turned off, make sure all the speaker wires are labeled, and disconnect them from the speaker terminals. Turn the receiver on select a source that would give you sound if the speakers where still connected and turn the volume all the way up. If the receiver shuts down than it would need to go to a service center as it is an internal problem with it. If the receiver does not shut down, turn the volume down, shut the receiver off and connect one speaker and than turn the receiver on selecting the same source as before and raising the volume up. If the receiver shuts down, remove that speaker from the post and connect it to another speaker post to determine if it is the receiver or the speaker itself that is giving you the problem. If the receiver should shut down after moving that speaker you know it is a problem with the speaker or the wiring. If the receiver does not shut down, turn the volume down, shut the receiver off and connect another speaker followed by doing the previous test procedure. Keep adding speakers until you have them all reconnected to the receiver as long as it has not shut off while trying the test procedure. After determining whether it is the speakers or the receiver you would need to bring either to a service center to be repaired. To locate an authorized independent service center, check the dealer and service locator at our website: www.onkyousa.com or www.integrahometheater.com.

Jun 28, 2015 | Onkyo TX-DS989 Receiver

1 Answer

How to repair a onkyo A-812XG if a volume is higher the unit is shutdown


Hi Ryan, It could be that there is a frayed speaker wire touching the back of the receiver and when playing at a low level the speakers do not require that much power, however when the level from the speakers increases more power is required and if there is a frayed speaker wire touching the back of the receiver there could be a short causing the receiver to shut down. A way to avoid the frayed wire is to use "Banana Connectors" that the speaker wires goes to and the connector will plug into the speaker posts. Please try the following to see where the issue is coming from. Have the receiver turned off, make sure all the speaker wires are labeled, and disconnect them from the speaker terminals. Turn the receiver on select a source that would give you sound if the speakers where still connected and turn the volume all the way up. If the receiver shuts down than it would need to go to a service center as it is an internal problem with it. If the receiver does not shut down, turn the volume down, shut the receiver off and connect one speaker and than turn the receiver on selecting the same source as before and raising the volume up. If the receiver shuts down, remove that speaker from the post and connect it to another speaker post to determine if it is the receiver or the speaker itself that is giving you the problem. If the receiver should shut down after moving that speaker you know it is a problem with the speaker or the wiring. If the receiver does not shut down, turn the volume down, shut the receiver off and connect another speaker followed by doing the previous test procedure. Keep adding speakers until you have them all reconnected to the receiver as long as it has not shut off while trying the test procedure. After determining whether it is the speakers or the receiver you would need to bring either to a service center to be repaired. To locate an authorized independent service center, check the dealer and service locator at our website: www.onkyousa.com, Thanks, JT

Apr 26, 2015 | Onkyo Audio Players & Recorders

1 Answer

The protect mode is active what are the causes


It could be that there is a frayed speaker wire touching the back of the receiver and when playing at a low level the speakers do not require that much power, however when the level from the speakers increases more power is required and if there is a frayed speaker wire touching the back of the receiver there could be a short causing the receiver to shut down. A way to avoid the frayed wire is to use "Banana Connectors" that the speaker wires goes to and the connector will plug into the speaker posts. Please try the following to see where the issue is coming from. Have the receiver turned off, make sure all the speaker wires are labeled, and disconnect them from the speaker terminals.
Turn the receiver on select a source that would give you sound if the speakers where still connected and turn the volume all the way up. If the receiver shuts down than it would need to go to a service center as it is an internal problem with it. If the receiver does not shut down, turn the volume down, shut the receiver off and connect one speaker and than turn the receiver on selecting the same source as before and raising the volume up. If the receiver shuts down, remove that speaker from the post and connect it to another speaker post to determine if it is the receiver or the speaker itself that is giving you the problem. If the receiver should shut down after moving that speaker you know it is a problem with the speaker or the wiring. If the receiver does not shut down, turn the volume down, shut the receiver off and connect another speaker followed by doing the previous test procedure. Keep adding speakers until you have them all reconnected to the receiver as long as it has not shut off while trying the test procedure. After determining whether it is the speakers or the receiver you would need to bring either to a service center to be repaired. To locate an authorized independent service center, check the dealer and service locator at our website: http://www.onkyousa.com/Support/servicecenterLocator.php?source=globalnav

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1 Answer

The protect mode is active - what are the fixes


It could be that there is a frayed speaker wire touching the back of the receiver and when playing at a low level the speakers do not require that much power, however when the level from the speakers increases more power is required and if there is a frayed speaker wire touching the back of the receiver there could be a short causing the receiver to shut down. A way to avoid the frayed wire is to use "Banana Connectors" that the speaker wires goes to and the connector will plug into the speaker posts. Please try the following to see where the issue is coming from. Have the receiver turned off, make sure all the speaker wires are labeled, and disconnect them from the speaker terminals.
Turn the receiver on select a source that would give you sound if the speakers where still connected and turn the volume all the way up. If the receiver shuts down than it would need to go to a service center as it is an internal problem with it. If the receiver does not shut down, turn the volume down, shut the receiver off and connect one speaker and than turn the receiver on selecting the same source as before and raising the volume up. If the receiver shuts down, remove that speaker from the post and connect it to another speaker post to determine if it is the receiver or the speaker itself that is giving you the problem. If the receiver should shut down after moving that speaker you know it is a problem with the speaker or the wiring. If the receiver does not shut down, turn the volume down, shut the receiver off and connect another speaker followed by doing the previous test procedure. Keep adding speakers until you have them all reconnected to the receiver as long as it has not shut off while trying the test procedure. After determining whether it is the speakers or the receiver you would need to bring either to a service center to be repaired. To locate an authorized independent service center, check the dealer and service locator at our website:
http://www.onkyousa.com/Support/servicecenterLocator.php?source=globalnav

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1 Answer

Amp keeps shutting off


• Check again with no speakers connected, if it doesnt shut off,

Check speaker system, connect one at a time to find the cause.


• If the receiver still shuts down without the speakers,

troubleshoot inside the unit.

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1 Answer

My Samsung Home Theater System Shuts off about 2 seconds after turning on. The display says PROTECT and then shuts off. Any suggestions?


Hello David - That message is telling you the system is shutting itself down because of some electrical abnormality that could damage it or a situation causing it to overheat.

I suggest you first unplug the unit and let it sit for an hour or two. Power it back up. If the warning is still there power it down. Now would be the time to consider whether you have made any changes to the system, even anything as small as moving a speaker.

The most common reason for the error is that there is a short somewhere, usually in the speaker wire itself or at the connector to either the speaker or the system. Overheating is not the issue because of the short time between power up and the message. Detach everything that is attached to the unit (devices and cables/speakers) and power it up again. If the error persists you have an issue requiring service, hopefully under warranty.

If it doesn't that's a great sign and the next step is to attach everything back ONE device/cable at a time, powering the unit down before you attach the next device/cable. Be extra careful with the cable attachment and while you're handling the cable look for any visible abnormality with the cable, bare cable, cracked connector, etc.

Obviously if the error returns right after any connection the problem is right there, most likely a speaker cable and the fix is to make sure the cable is not shorting at the connections to speaker or receiver and if that can't be found visibly replace the cable with a new one.

Good Luck and Thanks for using Fix Ya.

Mikeywaf

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1 Answer

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Did the fact that it was responding negatively to the loud volume not suggest it might be a bad idea to keep doing it?

The threshold on the volume knob is NOT where normal undistorted listening levels are found. Given a normal level of input you could be pushing your amp so hard that it clips or distorts and kills your speakers.

Do what it asks: check the speaker wires for shorts. Or disconnect the speakers and pray it comes back to life, then isolate the shorted (dead) speaker.

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2 Answers

Shuts off when turning volume up. Error message


go to a computer store and tell them to rebot your computer that what i did it worked for me it should probly work for u

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Very nice unit this one but Im not able to help you with the code but sounds like its shutting down because of an overload . Contact Panasonic but you may be surprised on how bad panasonic treats there customers as it say that Panasonic answers very few of there BBB complaints???good luck

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