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Sony Reciever's Protector Function....HELP!!!

Old 08-23-00, 06:52 PM
  #1  
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I recently bought a Sony STR555es reciever and have encountered a problem. The first week I tried turning the reciever up about 3/4 of the way to listen to a cd out of my DVD player. After a short time the message PROTECTOR came up on the display and all sound stopped. I felt the reciever and it was extremely hot so I figured if I used a fan directed at it this would stop the problem. The reciever no longer ran hot, but 2 weeks later I encountered the problem again. The message displayed this time when I simply had the reciever turned up 1/2 way with the bass boot on and the front bass increased by 5db. Someone please help. I have checked all connections and wiring and they don't seem to be the problem.
Components:
Reciever - Sony STR555ES
Front Speakers - JBL S310
Center - JBL S-Center
Rears - None yet
Sub - None yet
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Old 08-24-00, 01:54 AM
  #2  
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Check your speakers for damage, listen for screechy sounds from your drivers. I can't imagine turning up my volume past 1/2 up the knob (I have a Sony DB930). How loud do you need your music to be? Are you not worried about your hearing? Get a SPL meter and make sure you aren't listening at levels over 103-108 dB for prolonged periods of time.


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Old 08-24-00, 10:47 AM
  #3  
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It sounds like you are drawing too much current than the receiver can handle. If you like your music very loud for extended periods you should get an amp/pre amp setup. If that isn't an option you may want to get a sub to direct more of the low bass away from the main speakers so the receiver doesn't have to work as hard.
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Old 08-24-00, 11:11 AM
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I had this exact same problem with my Yamaha 2095. I posted here and spoke to Yamaha and basically exhausted all means of gathering information. As you know this protection circuit is supposed to work exactly as it is. When the output to the speakers is so intense that there could be damage to the unit, it shuts down. What I finally ended up doing was:

1. Bought new speakers that could handle much more power than the ones I had.
2. Checked and rechecked every single speaker wire and put bannan plugs on each of them with the plastic sleeves so that there was not any possibility of anything shorting out.
3. Bought a sound level meter and adjusted all the speakers to that each was operating properly and none were sucking more power than any other.

The problem went away and has never returned.
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Old 08-24-00, 09:56 PM
  #5  
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I am sure my speakers are fine. The center can handle 150watts and the fronts each can handle 200watts. They sound perfect when I am watching a dvd. I have 12 gauge monster wire with gold banana plugs on every speaker so i know that isn't the problem. I am not sure about drawing too much current from the reciever. It is a Sony ES so I would think it would be fine. Plus it is putting out 120x5watts and I only have 3 speakers hooked up. I will eventually get a sub, and I hope that will help but for now I have no idea what to do.

P.S. Patman - I am not worried about my hearing, and I only had it turned half way up because I was testing everything out since it was new. Thanx for caring though
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