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I have a Marshall VS65R amp that WAS working great until someone tried to daisy-chain another amp via the headphone jack and a couple circuts on the board cooked and look burnt. No sound now. Is it wo

Only the little circuts by the headphone jack are blackened.

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  • Music Master
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Assuming the repair is beyond what you can do yourself, I'd estimate the cost of repair to be $75-100. You'd have to decide if it;'s worth it to you or if you'd be better off appling the funds to a new amp. If you liked it before it blew up, I'd get it fixed.

Posted on Nov 12, 2014

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Posted on Jan 02, 2017

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technical114
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SOURCE: I have just bought a used Marshall VS65R. When I

Make sure that when the audio from the speaker cuts, the headphones are still working (try it several times). If this is correct the problem isn't at the preamp or driver tubes. Try to locate the wire that is connecting the speaker with the amplifier. There must be a bad connection at this cable or at the speaker's coil itself. Try hiting with a solid tool (the back of a screwdriver for example) the parts and the connections (not the tubes, just the mountings) while the amplifier is working in order to locate a loosing contact. Once you find it use a soldering gun to fix the connection.

In case of a problem or clarification, don't hesitate to post.

Thanks and regards
Please kindly rate this solution
Stelios
direct FixYa link: http://www.fixya.com/users/technical114

Posted on Apr 22, 2010

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Make sure that when the audio from the speaker cuts, the headphones are still working (try it several times). If this is correct the problem isn't at the preamp or driver tubes. Try to locate the wire that is connecting the speaker with the amplifier. There must be a bad connection at this cable or at the speaker's coil itself. Try hiting with a solid tool (the back of a screwdriver for example) the parts and the connections (not the tubes, just the mountings) while the amplifier is working in order to locate a loosing contact. Once you find it use a soldering gun to fix the connection.

In case of a problem or clarification, don't hesitate to post.

Thanks and regards
Please kindly rate this solution
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direct FixYa link: http://www.fixya.com/users/technical114

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