Question about Sony STR-DE435 Receiver

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STR DE435 PROTECTOR STR DE435

PROCTECTOR DISPLAY IN THE RECEIVER STR DE435, WHERE I CAN FIND THE FUSE

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  • Anonymous Mar 30, 2014

    Is there a fuse I can check

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I have the same problemwith mine. the protector sign is on- I do not know why- and do not know what to do about it. Let meknow if you do or if you get assistance and I will do the same. My e-mail address is 1971CJS@Bellsouth.net

Posted on Feb 28, 2008

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1 Answer

When I open my system it is writen PROTECTOR


Your receiver is in protect mode as a result of failure in the output stage(s) or components.

Aug 10, 2016 | Sony STR-DE435 Receiver

1 Answer

The protector light comes on i even try putting a new speaker wire in it to a speaker and it still does it.


The receiver has a short in the audio output stage in at least one channel, the parts must be replaced to bring it back up to normal operation.

Mar 10, 2011 | Sony STR-DE435 Receiver

1 Answer

My screen on my interainment system is flashing protector


hello almbom
looks like the unit is going to self protect caused from malfunction of the amplification sector. mainly happens if speaker cables shorten or when speakers used with very low impedance, feel free to cantact for further help
regards

Feb 13, 2011 | Sony STR-DE435 Receiver

1 Answer

Fuse keeps poping, what other type of fuse can i buy for this, my model is STR-DE435 (sony)


If it keeps blowing the rated fuse you really need to take it in to a shop for further analysis. Using an incorrect, higher value fuse will only raise the risk of fire or more damage to whatever is blown in the unit.

Dec 08, 2010 | Sony STR-DE345 Receiver

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

Sony str-DE435 Flash Protector


this is not a reset problem, you have a defective audio output, is either the outputs transistors or the drivers IC's ( integrated circuit) and sometimes if you are lucky is just loose connections on the drivers IC;s.
good luck

Jun 18, 2009 | Sony STR-DE435 Receiver

1 Answer

Protector is flashing and nothing can be done to get it off. what do i do to fix it


you have defective audio output circuit, like the other ones y might be the transistors or the drivers IC's (integrated circuit ) you need some repair skills to fix this problem.
good luck

Jun 18, 2009 | Sony STR-DE435 Receiver

1 Answer

Flashing protector


This usually means an output transistor is shorted and the amp is protecting itself. There are usually 2 8 amp fuses GMA type (glass tube) that are located near the large transformer on the main board that also get blown. You can try the fuses and see if it fixes it (10% of the time it will). If they blow again, it will be one or more output transistors are shorted, and the unit will need professional repair.

Jun 13, 2009 | Sony STR-DE435 Receiver

1 Answer

Stuck protector mode


find out why the fuse blew in the first place.the protector is just PROTECTING the main circuits of the receiver.the receiver turns on just to confirm the power circuit is OK.
have it checked by an electronic engineer.

Apr 16, 2008 | Sony STR-DE597 Receiver

1 Answer

Sony STR-DE435 Receiver


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

Feb 28, 2008 | Sony STR-DE435 Receiver

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