Question about Sony STR-DE825 Receiver

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Protector off How can I put the protector off? my mail is rinkmedina@cable.net.co

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  • Sony Master
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Cambiale los IC de audio que esten dañados por eso se pone la leyenda protected.

Posted on Apr 04, 2008

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I have an older model Harman Kardon AVR and have started hearing humming from the speakers that are attached to it. Is my receiver going bad or is there something else I need to do to fix this problem?


Hi,
you may have a bad Earth power 110 V AC cable connection which makes such hum / buzz even nothing connected..
Check the connections between components and make sure they are secure before proceeding to the next Step. Sometimes, loose connections can cause a hum.
  • Separate the audio cables from the power cables; electromagnetic interference from the power cables can cause stereo hum. Use cable ties to secure the audio cables away from the power cables.
  • Plug in a surge protector to the outlet, and then plug all the components into that surge protector
  • Connect a ground plug to the surge protector and then plug the ground plug into the main outlet. A ground plug is available at any hardware store, and turns a three prong connection into a two prong. Ground plugs help eliminate 60 cycle hum.
  • 5 Connect the ground wire from your turntable to the ground wire connection on the receiver. If this doesn't work, looking on the back there should be a grounding point,

    Unplug your receiver.. Split a wire and attach one of the splits to the receiver where you will see the text, "ground" or something similar. Attach the other end to something metal such as a pipe that goes into the ground. Secure with electrical tape. Plug in.
    connect the ground wire to a screw on the electrical outlet.

    Read more: How to Fix a Hum on a Stereo Receiver ' eHow.com http://www.ehow.com/how_5183193_fix-hum-stereo-receiver.html#ixzz1PpFHs1Mv


    Take care and please remember to rate "AS THUMBS UP" Thanks
  • Jun 20, 2011 | Harman Kardon AVR 85

    1 Answer

    My sony receiver STR-DE135 is showing a protector message


    Check for shorted speaker cables, or even a bad speaker. I'd start by disconnecting all speakers, see if the indicator goes out. If so, try one speaker at a time until you find which channel is bad, and then examine the cables carefully for things like a stray wire strand. Less likely, but possible is a shorted speaker. If you disconnect them all, and still have the protector circuit on, it's an internal issue, and you're going to need a technician.

    May 30, 2011 | Sony STR-DE135 Receiver

    1 Answer

    Problem with my alpha arcam 7 amp.. internal 240v 25a fuse blows right after switching it on even when all speaker and RCA cables were disconnected.i need the schematic diagram. Where should i start the...


    hi,
    I have the service manual of ARCAM AVR 200 with me. send me a mail on my mail id. I will send u the service manual. its a large file having a size of 4.8 mb. I can sent it through fixya.

    agingopakumar@yahoo.co.in

    Check the standby transformer T752 first. if its primary winding is short the this problem can occur.
    ok

    Jan 17, 2011 | Arcam AVR-200

    1 Answer

    I hava an accurain 5048,reciever sound shuts off,protector reads


    as you have described the unit is in protect mode. disconnect all cable/wires to this unit. - and try again. if it is still in protect-a definate short within this unit.

    Mar 06, 2010 | Audio & Video Receivers

    1 Answer

    I keep getting a Protector reding on my screen and it will not let me do anything. What do I do to fix this?


    Try disconnecting everything (speakers cables, signal cables, all other units) except the power cord, then turn the unit on, if the protector message persists, then the fault is in the reciever.

    If this is the case, you should check the speaker and signal connectors for any damage, shorts or loose solder contacts, also check the unit for any shorted or broken wires, loose wire connections, bad solder contacts on connector pins, bad solder contacts on ANY other components (give some extra attention to the components that tend to warm up while they operate, like main power amp transistors / ICs, voltage regulators, power resistors, diodes, also coils, capacitors, etc). Any loose solder connections should be resoldered.

    If there's no message when you've disconnected the outside equipment, you have either a bad speaker, a bad speaker cable, a bad signal interconnection cable, or a fault in any of the units that were connected to the reciever. You can find which one is the cause by turning the reciever off, then connecting one cable or unit, turning the reciever on again, see if there's a message, if there's none, turn it off again, connect the next unit / cable and so on, until you get the protector message. The cable or unit that will make the message appear is most probably the cause for the trouble (there might be loose solder connections on other units' cable connectors or other components). When you plug and unplug the cables many times, with time this will loosen the solder connection on the pins inside the unit, so these need to be resoldered.

    Hope you can find out what it is.

    regards

    3rq8 (Triarcuate)

    Aug 08, 2009 | Sony STR-GA8ES Receiver

    1 Answer

    After my house was it by lightning my Onkyo


    If your receiver was connected to any power source and that power source was not a surge protector strip there may be damage to the receiver as lighting travels. Another thing to consider is the fact that many people will put their equipment on surge protectors but the cable is still connected to the TV etc...This is just another avenue for the lightning to get into the home and blow up your system. I always disconnect any cable from my computer and TV. The power source from the wall is also unplugged when there is a storm just to be sure. Surge protectors are limited in their use as well. I don't believe they can take too many lightning hits. It is best to change them out.

    Jul 18, 2009 | Onkyo HTR500 Receiver

    1 Answer

    Error code - protector


    Try disconnecting all the speakers from the back and turn the unit back on. If the "protector" display goes away, turn the unit back off and reconnect one speaker. Turn it back on and check for "protector". Repeat.

    If you find that one of the speakers causes "protector" to appear, you either have a bad speaker cable or bad speaker. Try swapping each of those out to see what happens.

    Apr 20, 2009 | Sony STR-DA90ESG

    2 Answers

    I have a Technic Cd player- SL-PG4- which has been working well until recently-npt very much used .Suddenly its Cd drive has ceased to open and the drive does not move in and out-though I can feel that...


    Hi again, I have found a few Authorised Service guys about the place. My knowledge of London is poor :)

    DIGITAL TONE LTD TRADING AS GALAXY REPAIRS&SPARES
    26 tottenham court road
    london
    W1T 1BS
    black_arrow.gif tel: 0207 580 1785
    black_arrow.gif Email:digitaltoneuk@aol.com
    black_arrow.gif web:www.digimart.eu7 miles

    CAMERA CLINIC LTD
    26 North End Crescent
    West Kensington
    London
    W14 8TD

    black_arrow.gif tel: 020 76027976
    black_arrow.gif Email:info@cameraclinic.freeserve.co.uk
    black_arrow.gif web:www.cameraclinic.co.uk7 miles

    TELEVIDEO SERVICES
    705 Fulham Road
    Fulham
    London
    SW6 5UL

    black_arrow.gif tel: 02076106661
    black_arrow.gif Email:mail@avrepairs.co.uk
    black_arrow.gif web:http://www.avrepairs.co.uk9 miles

    CAPITAL ELECTRONICS
    98 Merton Road
    Wandsworth
    SW18 5SR

    black_arrow.gif tel: 020 8874 0885
    black_arrow.gif Email:ali@tv-repairs.co.uk
    9 miles

    GEM TV LTD
    220 High Road
    Leytonstone
    London
    E11 3HU

    black_arrow.gif tel: 020 8555 4422
    black_arrow.gif Email:support@gemtv.fsnet.co.uk
    black_arrow.gif web:none
    9 miles

    ARMSTRONG HI-FI VIDEO SERVICES LTD
    32A BLACKHORSE LANE
    LONDON
    E17 6HJ

    black_arrow.gif tel: 0208 523 0023/0051
    black_arrow.gif Email:ahvsltd@aol.com
    10 miles

    VIDEO PRINCE
    UNIT 4, HORSESHOE CLOSE
    OFF OXGATE LANE
    LONDON
    NW2 7JJ

    black_arrow.gif tel: 020 84509842 / 6130
    black_arrow.gif Email:info@videoprince.co.uk
    black_arrow.gif web:www.videoprince.co.uk
    10 miles

    ATLANTIC ELECTRICS
    970 NORTH CIRCULAR ROAD
    LONDON
    NW2 7JR

    black_arrow.gif tel: 020 8208 6999
    black_arrow.gif Email:service@atlanticelectrics.com
    black_arrow.gif web:www.atlantic2u.net
    12 miles

    TRADEFAYRE LTD
    218 BURGES ROAD
    LONDON
    E6 2BS

    black_arrow.gif tel: 020 8470 7526
    black_arrow.gif Email:service@tradefayre.com
    black_arrow.gif web:www.tradefayre.com
    12 miles

    DK AUDIO VISUAL SERVICES (LONDON) LTD
    189 - 191 London Road
    Mitcham
    CR4 2JB

    black_arrow.gif tel: 0870 420 4006
    black_arrow.gif Email:call.centre@dkavs.co.uk
    black_arrow.gif web:http//:www.dkavs.co.uk

    Hope this info gets the problem sorted for you. Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers.

    regards
    robotek

    May 27, 2008 | Audio & Video Receivers

    1 Answer

    STR DE435 PROTECTOR STR DE435


    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

    Jan 29, 2008 | Sony STR-DE435 Receiver

    1 Answer

    Protector flashing


    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.

    Oct 05, 2007 | Sony STR-GA7ES

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