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Please Help Boss R12002 |
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Leonardo 
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Joined: 04 January 2020 Status: Offline Points: 7 |
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 Topic: Please Help Boss R12002Posted: 04 January 2020 at 9:57pm |
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So I have a Boss R12002 car amp, it shuts my power supply off, right when i put the remote cable.
Can someone give me some repair advise? I made a video see link below. https://mega.nz/#!iqIigaRa!rCiLf1twrf4WYUeEog42yjLCRFIoeB35xGv3Xi9Wyj8 |
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BJtheDJ
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Joined: 28 November 2012 Location: Bristol Status: Offline Points: 886 |
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Posted: 05 January 2020 at 12:32am |
Did you try connecting the remote cable before turning on the power ???
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It's a difficult choice, would you rather have:
A: A vegan son. B: An OnlyFans daughter |
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Leonardo
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Posted: 05 January 2020 at 7:52am |
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Yes sir I did, but I get the same result
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odc04r
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Joined: 12 July 2006 Location: Sarfampton Status: Offline Points: 5482 |
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Posted: 05 January 2020 at 10:53am |
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Check the remote cable is correctly wired for polarity.
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jackSpug
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Joined: 31 January 2009 Location: mid wales Status: Offline Points: 221 |
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Posted: 05 January 2020 at 4:30pm |
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Try putting a link cable between the 12v+ on the amp to the remote input. If amp fires up it's a fault with the remote from the head unit
Edited by jackSpug - 05 January 2020 at 4:31pm |
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two people use this account
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Leonardo
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Posted: 06 January 2020 at 10:32am |
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yes it is
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Leonardo
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Posted: 06 January 2020 at 10:33am |
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Leonardo
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Posted: 06 January 2020 at 10:38am |
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I had early removed the driver transistors to see if the Power Supply (PS) section is good or not, and as result the PS section is fine. So i checked driver transistors (according to it's datasheet) and they are working as they should. So i went further on to check the output transistors, surprisingly they were also good. Don't see any blown caps or resistors.. So that is wondering me where the heck the problem is.
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odc04r
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Posted: 06 January 2020 at 12:46pm |
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If the amp is working normally and only faults when you enable the remote input, then it isn't going to be a fault with the amplifiying circuitry.
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Leonardo
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Posted: 07 January 2020 at 7:17am |
Where should I look then for the fault?
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Leonardo wrote: