Question about Yamaha HTR-5450 Receiver

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When i turn the yamaha htr 5450 it turns on for a second then shuts off is this an expencive fix

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5 Suggested Answers

SOURCE: htr 5590

Mine played for about and hour then cut off. It would cut off randomly after this hour. I initially thought it was overheating but after seeing other people had it happen after immediate turn on it must not be the case. Intermittent problems like this are difficult to troubleshoot which is why I came to this site hoping someone had found a simple answer. I am a technician and will have to do it the hard way. When I find the answer I will report my findings to this site.

Posted on Jun 18, 2008

  • 336 Answers

SOURCE: turns on then off.

It probably needs a set of output transistors, 2 pre-amp transistors and a 5.6v zener diode. Possibly a resistor or two. I've fixed many of these. Definitely a job for a pro.

John W

Posted on Jan 10, 2009

petraman7
  • 1175 Answers

SOURCE: HTR-6130 will not turn on

Hi

Does the receiver have a switch that allows you to turn off all the speakers?
If so,turn them off and see if the problem stays.

If it still kicks off then , one of the power amp outputs has failed and it will require some fixing

Posted on Feb 04, 2009

Gurudristi
  • 98 Answers

SOURCE: my yamaha htr 3750 said check sp wires then turned off

Your Yamaha is going into protection model.

This mostly happens when:
1). There is rise of internal temperature.
2).Core wires of the speakers are touching each other or a core wire is sticking out of the terminal and touching the set's rear panel or the speaker itself has a problem.
3). Speakers with an impedance other than specified are being used.
or
4). the set is damamged or has bad solder / dry solder connection .

Just check your speaker cabling again. Make sure that all of them are seated properly, none is touching each other or the body of receiver. Rewire if necessary..
Are you using banana plugs for connecting speaker or just directly. Some times even a little tiny frayed wire touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough and it could blown a few trasistors in the power circuit.

If everything else seems all right and still your receiver shut down then it possible that
1).there are bad connections on the main board that are set in.
This would generally happen if the system is slighly old or have dry solder. This should be a simple repair that will not require parts. If you can solder, you will be able to repair this yourself. I could guide you a bit. If not, then a local service center will change the local labor rate.
2). Some transistors have blown on the output power board:
This will require little bit of more electronic knowledge.

I suggest if your set is still under warranty, then please take it to Yamaha.

Hope you can sort out your problem with the above trouble shooting. Let me know if I can guide you further.
Thanks for using FixYa!

Posted on Mar 12, 2009

smarthome2
  • 1114 Answers

SOURCE: I have Yamaha HTR 5930 receiver and it will power

The most common problem found on FixYa for Audio Video Receiver's is:

My receiver say's "Protect" or turns on then off. What's wrong? Seven times out of ten it is a shorted speaker or speaker wire2_bing.gif. To determine your exact problem, the first step is to disconnect all speaker wires "at your receiver" Next: Turn the receiver back on. If your receiver still says "protect" or turns off, it needs to be serviced. If your receiver stays on; reconnect your speakers one at a time and power back up after each speaker. You may find that after reconnecting all speaker wires it works! Most commonly the small braids of wire from the + to the - have touched and have caused the problem. In some instances, you noticed the problem only when turning the volume up. either way, make sure the exposed wires to your receiver are no longer than 1/2" long and are completely under the screw down terminal or slide in. When you've found the wire or speaker with the problem, your receiver will go back into "protect" At this point, disconnect the wire from the speaker at the speaker that may be causing the problem then test again.* Note* Make sure speaker wires do Not touch each other as this Will cause a short! If you turn the receiver back on and it stays on, you now know the problem is in your speaker itself. To test your speaker, you will need a multimeter. Set it to ohms resistance and touch the speaker terminals, if there is a short internally the meter will read "1......" If it's an analog meter, it will peg to the right. There's your problem. Now, within any speaker there are quite a few possibilities as to what could be causing the problem. Most common is a blown coil and the speaker needs to be replaced. Some speakers have internal crossovers (usually floor standing speakers2_bing.gif) and may have a shorted or burnt board (usually very visible brown burn marks on the board) and can possibly be repaired if your handy with a soldering iron. Now, if you disconnect the speaker wire at the speaker and it still says "protect" Check your wire for the obvious cut or nail thru the wire if possible. If your system has wiring that runs behind walls, you may need to use your meter again. Disconnect the wire at both ends, keep the ends separated, put your meter on ohms resistance and touch probes to the + and - wires at one side. If the meter pegs to the right or reads "1...." the wire is shorted and needs to be replaced or repaired at the short. Hope this helps.

Posted on Jun 17, 2010

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HTR-6130 will not turn on


Remove all speakers from the receiver and try powering it up again. If it still shuts down odds are it needs repair of one of the output channels.

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1 Answer

Turns on then off.


It probably needs a set of output transistors, 2 pre-amp transistors and a 5.6v zener diode. Possibly a resistor or two. I've fixed many of these. Definitely a job for a pro.

John W

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Yamaha HTR-5940 turns off after one second.


HI my Yamaha is working fine exept input selector , I selilng it for parts 45 , amp working fine exept inputs ( one milti channel in works fine) korrado6@hotmail.com

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1 Answer

Htr 5590


Mine played for about and hour then cut off. It would cut off randomly after this hour. I initially thought it was overheating but after seeing other people had it happen after immediate turn on it must not be the case. Intermittent problems like this are difficult to troubleshoot which is why I came to this site hoping someone had found a simple answer. I am a technician and will have to do it the hard way. When I find the answer I will report my findings to this site.

Apr 14, 2008 | Yamaha HTR-5590 Receiver

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