Question about Sony STR-DB1070 Receiver

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Sony STR-DB1070 ive had this unit for a while and its been pritty good untill now. When i watch a movie the AMP keeps cutting off and says PROTECTOR on the screen.Dose anyone know what causes this to happan?

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  • firberger Apr 14, 2009

    all speakers are non working- the sub works and the second room works.

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Replace the amplifier section, it is ready to **** out on you. This is exactly what mine did. If you have proper ventilation and have a fan on it to cool it you may get some additional time out of it.

Posted on Sep 21, 2009

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Check all your speaker connections and make sure there are no shorts where any of the negative wires can come in contact with any of the positive wires.

Posted on Jan 07, 2008

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1 Answer

How do I set up receiver


HI YES YOURE GOING TO NEED A FEW RCA CABLES u. can use video 1 to plug youre tv in and use video 2 to plug in youre vcr ::::::::::connect youre speakers up to the red and black speaker terminals marked L & R..good luck

Jul 26, 2015 | Sony STR-DB1070 Receiver

1 Answer

Sound quit and display shows PROTECTOR Sony STR-D865


This is a common question on this site. Amps of all types have protection circuits to keep them from doing a self meltdown. Testing follows this logic.
1. Remove all speaker wires. 2. Keep the volume down - all the way. 3. Turn the unit on. 4. If it does not trip off, then there is a problem either in a speaker or the wiring. a. Reconnect one at a time until/unless it trips off b. That will tell you where to look further.
If it does trip off, then there is an internal circuit issue in the amp and probably requires professional help to fix.

Nov 09, 2010 | Sony STR-D865

1 Answer

Str de 435 I was watching a movie nothing was being moved when suddenly I heard the relay click the protector mode came on thank you


Relay click and Protect display indicates that receiver got problem in output amplifier section and most probably output chips got defective. This kind of problem is not user level repair and local repair shop will help you to get it fixed.
Thanks.

Oct 15, 2010 | Sony STR-DE435 Receiver

1 Answer

Volume change, followed by slight static playback.


I believe you have dry joints in output drive it require a qualifier Technician the do this you need special soldering station with anti static you are dealing with surface mount components if you shorted some thing in output drive it could damage to the output they are expensive to replace, now is not too bad you should bring in to Sony or servicce center Sony to repair it
Cheers

Dec 04, 2008 | Sony STR-DB1070 Receiver

1 Answer

Protector


It shows protector because the unit detects a short in the amp section of the unit. You will need to trouble shoot the amplifier section and replace the bad parts. If you have no solid state repair experience, my best advice would be to have a pro take a look at it for you. Good luck

Apr 10, 2008 | Sony STR-DE525

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