Stevo Posted October 5, 2009 Share Posted October 5, 2009 I have a amp by Crest: "Professional Power Amplifier", Model 4001. I have schematics, but have never troubleshot an amp before. Is there anyone on here willing to offer guidance and/or advice as I make this attempt? Diagnostics: Right channel works, Left channel doesn't (constantly in "protect" mode). I can work through stuff systematically, but if either A) this is against forum policies to have another brand's amp on here or you'd all just prefer I buzz off/ not do this here, then I'll not put posts on here. I just figured someone out there with experience might be able to help... Stevo Quote Link to comment Share on other sites More sharing options...
Stevo Posted October 6, 2009 Author Share Posted October 6, 2009 Well that was [Thank God] easier than I'd imagined... One loose connector (on the ground) trips the whole protection circuit. It works now.... I'll post pictures when I take some. Quote Link to comment Share on other sites More sharing options...
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