Onkyo HT-RC560 transistor question

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  • tibimakai
    Badcaps Legend
    • Jan 2012
    • 3680
    • USA

    #1

    Onkyo HT-RC560 transistor question

    I have picked one of these up with the same Chk Sp Wire issue, so I have found shorted finals, ceramic resistor, a 2SA1200-Y transistor and another 120Ohm resitor showing a weird number.
    I need to remove these and re check them again, to be sure.
    But I know for sure that the 2SA1200-Y is shorted between C-E.
    I can't find this transistor around here, only in China.
    Which other transistor, could I use in it's place(complementary is 2SC2880-Y).
    I have found something on Digikey, but I'm not good at this and I don't feel confident in choosing a replacement transistor.
    http://www.digikey.com/product-searc...=0&pageSize=25
    I'm working, with the TX-NR626 schematics. I believe, they should be the same.
    In the 636 schematics, there is a INA6006AP1 transistor(Q5441-R channel).
    Any help, would be appreciated.
  • mmartell
    Badcaps Legend
    • Oct 2013
    • 3189
    • Canada

    #2
    Re: Onkyo HT-RC560 transistor question

    This came up at All Transistors Data Sheet site but you'll have to get someone to vet these as I can't translate it either.

    Code:
    Cross-reference Search Result (Equivalent Transistors)
    
    			 Mat		 Struct		 Pc		 Ucb		 Uce		 Ueb		 Ic		 Tj		 Ft		 Cc, pF		 Hfe		 Caps
    1.	2SA1200    Si 	 	 PNP 	 	     0.5 	 	 150 	 	 150 	 	 5 	 	 0.05 	 	 135 	 	 120 	 	 4 	 	     110 	 	 SP0
    2.	2SB1027 	 Si 	 	 PNP 	 	     10 	 	 180 	 	 180 	 	 5 	 	 1.5 	 	 175 	 	 	 	 	 	     150 	 	 SP0
    3.	2SB1028 	 Si 	 	 PNP 	 	     10 	 	 180 	 	 180 	 	 5 	 	 1.5 	 	 175 	 	 	 	 	 	     110 	 	 SP0
    4.	2SB1046 	 Si 	 	 PNP 	 	     1 	 	 180 	 	 0 	 	 20 	 	 0.05 	 	 165 	 	 	 	 	 	     160 	 	 SP0
    Last edited by mmartell; 04-07-2015, 10:05 AM.

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    • mmartell
      Badcaps Legend
      • Oct 2013
      • 3189
      • Canada

      #3
      Re: Onkyo HT-RC560 transistor question

      The formatting didn't come up very well.. Is the HT-RC560 the equivalent or sibling of the TX-NR626 ?

      Comment

      • tibimakai
        Badcaps Legend
        • Jan 2012
        • 3680
        • USA

        #4
        Re: Onkyo HT-RC560 transistor question

        I don't have a 626 at this moment, but online, that is what people are saying, that is the same.
        Thanks for that list.

        Comment

        • dolivas27
          Senior Member
          • Mar 2014
          • 66
          • United States

          #5
          Re: Onkyo HT-RC560 transistor question

          These guys have it in stock and are in CA but have a $25 min might want to see if they have anything else you need.

          http://www.questcomp.com/questdetail...id=178955&pt=0

          Comment

          • tibimakai
            Badcaps Legend
            • Jan 2012
            • 3680
            • USA

            #6
            Re: Onkyo HT-RC560 transistor question

            They are actually pretty close to me, but I don't think, that they sell over the counter.
            I think that I will use, what I have used in the 636: DXT5551DICT-ND, FCX555CT-ND.
            I will see how it will work.

            Comment

            • dolivas27
              Senior Member
              • Mar 2014
              • 66
              • United States

              #7
              Re: Onkyo HT-RC560 transistor question

              Diodes Incorporated shows this as an exact match for the 2SA-1200

              http://www.digikey.com/product-detai...96CT-ND/334756

              And this one for the 2SC2880

              http://www.digikey.com/product-detai...95CT-ND/334754

              Hope this helps.

              Comment

              • tibimakai
                Badcaps Legend
                • Jan 2012
                • 3680
                • USA

                #8
                Re: Onkyo HT-RC560 transistor question

                I have put back, the 2SC2880-Y and I have used the FCX555CT in 2SA1200-Y's place and it seems, like it's working great.
                Another one repaired. This one, is pretty much the TX-NR626, under different name.
                Thank you for everybody, who helped.

                Comment

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