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Post subject: PRRI issue - Reverb does not work, but trem does
Posted: Thu Mar 31, 2011 1:34 pm
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Joined: Wed Jun 10, 2009 10:11 am
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Turned on my amp the other day and the reverb no longer worked. At first I thought maybe its was the footswitch, but if I step on the reverb switch I can hear a slight noise coming from the amp when its in the on position - obviously no reverb coming out of the amp though. The trem does appear to be working though - I'm guessing that its just the tube for the reverb - any thoughts? I had all of the tubes replaced recently, but can't remember if the tech replaced the tube for the reverb tank

On a side note, the amp was not turning on at all at first, then I pulled the fuse - it was fine - put it back in and then the amp turned on - just no reverb.....


Thanks ahead of time


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Post subject: Re: PRRI issue - Reverb does not work, but trem does
Posted: Thu Mar 31, 2011 2:41 pm
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Joined: Sun Dec 19, 2010 12:00 pm
Posts: 1389
First here is the schematic:
http://support.fender.com/schematics/gu ... ematic.pdf
Second:
You may have an issue with V2 --> 12aT7 even cleaning the socket, V3a 12ax7 --> you can swap with another one or tank wiring --> check the 2 wires continuity, at last the footswhich jack can be unfonctional --> try to clean it, plug and unglug a couple ot time the jack.

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