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Yamaha CR 840 - IG 02940 IC

Discussion in 'Audio' started by Phil Owens, May 10, 2018.

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  1. Phil Owens

    Phil Owens

    1
    0
    May 10, 2018
    I have a Yamaha CR 840 and it does not produce any sound. I have been told it is possible the Pre Driver IG 02940 chip. There are two on the pc board so I am looking for two. Early on this site there was someone telling about a bunch of parts found in small envelopes. And one of the examples was this chip I need If any one can help me find two of these chips or help find out who was in the message I saw please let me know. It would be cool if there is any info out there please msg me [edited to remove email]
    Thanks waiting for some cool info.
     
  2. 73's de Edd

    73's de Edd

    2,761
    1,154
    Aug 21, 2015
    Sir Phil Owens . . . .
    I think that your odds of having both bad at the same time is RARE !
    More suspect is the power supply section.
    What are your capabilities,experience and skills, plus a basic DVM to use to analyze with?

    73's de Edd
    .....
     
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