Question about Yamaha HTR-5790 Receiver

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Hi im wondering what the cause of overheating in CYRUS III Amp!! Anybody had the same issue, after using a high volume for 30 minutes or so, then the protection relay operates!! Best Regards, Mac

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Protection mode is there to prevent your receiver from overheating to the point of failure. Try this. Make sure it is ventilated real well. Put it by itself. Don't stack anything on top of it. Even if it has a fan I us a little fan behind my receiver to circulate that warm air off of it. This works real well. Make sure your receiver is setting on a nice hard surface too. Not carpet or anything shaggy like that. Receivers and amplifiers will go into protect if they are rode real hard. Keeping it as cool as you can will minimize this. You can also turn the bass and or gain down on it a bit every now and again to help it cool a little bit. That receiver has final transistors in it that get war as power increases along with the time it is increased. Keep it cool and your it will stay out of protection mode.

Posted on Mar 22, 2011

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WHEN IM DRIVING, IT POPS OR JERKS ALL OF A SUDDEN AND THEN WONT SHIFT GEARS. WHEN IM ON THE EXPRESSWAY AND IT DOES THIS, IT WILL BARELY GO 55 MPH.


Your transmission fluid is dangerously low (tranny is dry). The pops & jerks are the transmission
internal components trying not to seize onto each other due to lack of lubrication and/or overheating.
Low transmission fluid leads not only to loss of lubrication but lots of overheating (of the tranny).
The loss of Elantra performance (speed tops out at 55), is caused by power loss due to friction inside the transmission. All your power is lost overheating the transmission (toward destruction), instead of
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The 2004 Elantra takes Hyundai SP-III Automatic Transmission Fluid, with 8.4 quarts used in a
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Jan 05, 2011 | 2004 Hyundai Elantra

1 Answer

Hey . uhm just wondering does anybody have the problem where when you turn your amp on nothing happens .. everythings gone ..but when i turn it off i can hear it turn off .. it clicks when i turn it off ...


Wonder no more, there are many others with many different brand of amps that do this. Obviously it needs repair unlless you have a problem with the cable or source you are using or have forgot to turn up the gain controls which I am sure you have checked. There are so many possibilities that there is no way we can say open it and replace this... If you get a small pop in the speaker when you turn it off, then the power portion of the amp is probably OK. A common probllem on amps that have a preamp out or power amp input jacks is a failure of the switch contacts on the crummy jacks that pass the audio through from teh preamp to the power amp...

Jan 03, 2011 | Line 6 Spider Iii 15 Modeling Guitar...

1 Answer

My line 6 spider iii 30 amp has a problem. The volume goes down by its self after a while and i have to turn the amp off and on again


If cycling the power IMMEDIATELY restores operation, it is likely something in the DSP (Digital SIgnal Processor) area associated with the built in effects. Do a test... see if the signal using headphones drops as well...

This unit uses a TDA type of power amp and those can overheat and shut down... so also do a test running it a lower level to see if it fails there... If it doesn't, you probably are just driving it too hard... solution is to get a bigger amp to get more noise...

Nov 09, 2010 | Line 6 Spider Iii 30

1 Answer

When I play my Line 6 Spider III Amp (Stack), the volume and gain output is very weak even though the settings are maxed, and the tone is very strained and sharp. It basically lost all of it's kick.


Poor contacts at jacks can cause this... it results in the contacts acting like a small capacitor passing only the high frequencies at very low level.

Power amp inout jacks are notorious with switch contacts that pass the preamp signal to the power amp if the power amp input isn't used.

There are many other possibilities and only hands on troubleshooting will determine the cause.

Jul 23, 2010 | Line 6 Spider Iii 15 Modeling Guitar...

1 Answer

I would be playing with my amp and after about 30 min there will be a a lot of crackling and then the amp shuts off


You are driving the amp too hard and the thermal protection in the amp chip is cutting out.

Either reduce the volume on this small amp or get a larger unit.

The heat sinks for the amp chip will overheat if you drive it hard and that takes a bit of time to happen, hence the 30 minute delay.

Jun 10, 2010 | Line 6 Spider Iii 15 Modeling Guitar...

1 Answer

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.

Mar 31, 2010 | JVC RX-6042 Receiver

1 Answer

High pitched squeal when the input jack is used.


Sounds like your master volume is turned up too much. The channel volume will make the squealing go away(caused by high gain and humbuckers). The best thing to do is dial in your favorite presets and change the channel volume to the correct level with the master volume where you usually keep it. I use my Spider Valve at master volume at about noon and the channel volume between nine o'clock and noon. Let me know if this does not solve the problem......

Aug 22, 2009 | Line 6 Spider Iii 15 Modeling Guitar...

1 Answer

JVC Car stereo with cd shuts off when volume is turned up


Hi Ithink , you are trying to push too much power to your speaker setup. Your cd, tuner, player, is only go as loud as the volume at half way setting. Your speakers are , probally good ones that want more power, and making your player overheat and making circut protection cut power. I would say, you should use it at 15, and that is as loud as it should be played to aviod distortion and overheating.
I'm guessing max is like 25 or 30, Is that so? You can listen to louder tunes by installing an amplifier. Or if you have an amp in your system it may be overheating, I would really like you to let me know if you have been trying use it at volume higher than half the maxium volume setting, so I know I helped, and you can start looking into power amp's. You can crank it up for good parts, but most players were not made to send alot of juice to good big speakers at high volume level.
Tell me what you think, tooldoc

Dec 05, 2008 | JVC AM FM CD DET FACE CAR STEREO

2 Answers

Hi there .......my sa gx303P stereo amplifier/tuner technics ...the cooling fan for the power amplifier works only on a somewhat strong signal .....if you play soft music at low volume the cooling fan...


These units are designed to only run the fan when necessary. If the unit is overheating, there is a problem in the detection circuit. This is a relatively inexpensive repair. If you are getting overheating when running at a low volume, it suggests that the speakers are not matched to the amp. In other words, the amp is expecting an 8 ohm load and is being presented a lower ohm load. This makes the amp work harder and generates more heat. Check the speaker wires and make sure that they are not frayed or crossing in any manner. Also, verify that the rating of the speakers is correct.

Update this with what you find.

Thanks,
Dan

Dec 02, 2008 | Technics Audio Players & Recorders

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