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working on a jcm2000 tsl 100 watt amp that has a lead channel that is not working. The clean Channel works fine. It appears that pop may have been spilled in around the power tubes. That has all been cleaned and I had all 5 boards out and went through and re-soldered all connections and visually inspected everything. I just got the schem today and will start taking a closer look but have a feeling it may be relay related. Any tips would be much appreciated. Thanks
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more info
Just got some additional info. Was told that a fuse blew and after replacing the fuse(not sure which fuse) is when the lead channel no longer worked. Dont know if it is significant but thought i mention it , Thanks again -
If the clean channel is working then you can rule out the power tubes! Would suspect a bad op amp.Originally posted by guitaraddict View Post
Dave.Comment
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found the problem
2 blown quarter amp fuses(-15+15v) after looking over schematic and doing some checks. Thanks for response.
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