Question about JBL LC-S960 Car Speaker

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Jvc subwoofer will not power up

Hello all, I have a JVC SP-PWA380 Subwoffer that was DOA. Upon viewing the main board I see that Resistors R41,R40,R42 and R36 are burned beyond recignition. Would anyone know the values of these resistors and or know where I could find a service manual or at least a parts list? Any help would be greatly appriciated. Thank You. Rich..

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  • tech2353 Nov 01, 2008

    Hello all, I have a JVC SP-PWA380 Subwoffer that was DOA. Upon viewing the main board I see that Resistors R41,R40,R42 and R36 are burned so bad I can't tell what they are. Would anyone know the value of these resistors and or know where I could find a service manual or at least a parts list? Any help would be greatly appriciated. Thank You. Rich..

  • tech2353 Nov 01, 2008

    Thanks all I am a tv repairman also since 1995. I am not too familiar amplifiers but know how they work. I usually check a burned resistor anyway but usually get an open or aronious reading. Don't think I spelled that right but you get the idea. I have searched the Internet for a schematic or parts list or service manual for this unit but have had no luck. I did notice however that the two transistors used for amplification were shorted. It looks to me that whoever had this unit terribly overdrove it. I do believe I could bring it back to life if I could just find some lit on it. thanks again and hope this helps explain better.

  • tech2353 Nov 11, 2008

    Good news, I can order the main board from JVC for $45.00. See as how there is no known lit on this unit, it would take the guess work out. Think this would the best way to go. Thanks again for all your help. tech2353...

  • Bud Jamison
    Bud Jamison May 31, 2015

    I have the same subwoofer, and it has blown C29, causing a load hum that makes it useless.
    Maybe someone can tell me the value for this capacitor?? Can't find a service manual for it.

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Please find the Part No. as required by you :

Part No.

R41 2001529 CHIP RESISTOR
R40 2004273 CHIP RESISTOR
R42 2004273 CHIP RESISTOR
R36 2001529 CHIP RESISTOR

You can buy this parts from JVC or also from Bestbuy or Walmart.

Thanks

Posted on Nov 01, 2008

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This is not a response to your inquirey but i'll say this if the parts you are looking at are so bad then remove them individually and take them to a electronics center and have them tested.from what i know about this stuff the board may be shot. usually cheaper to replace the board than parts. test the speaker on home amp, or car amp, as deemed appropriate to see if it is good then it becomes a problem of input. good luck

Posted on Nov 01, 2008

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You can get the value from this link..

http://www.doctronics.co.uk/resistor.htm

Posted on Nov 01, 2008

  • Legin Varghese
    Legin Varghese Nov 01, 2008

    Without getting the color bands of the Resistors it is very difficult to find the value.
    As you mention the board is very badly burned out, there could be many out componants having issue. My opinion is to contact the service center.
    http://maps.jvc.com/cAscList/
    Thanks
    Kevin

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