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Junior Varsity
Anyone with Allen & Heath repair skills?
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<blockquote data-quote="Jeff Hague" data-source="post: 31344" data-attributes="member: 128"><p>Re: New issue...: Anyone with Allen & Heath repair skills?</p><p></p><p>So the cable reset fix didnt last long. Saturday the hiss was back and a new problem has surfaced, although it may have been there all along but I didnt notice it.</p><p>I run the GL for house and a MixWiz for monitors and sometimes I run aux 6 from the GL into a channel on the Mixwiz so I can get my FOH talkback and canned music into the monitor mixes.</p><p>To minimize the hiss I have found that I can run my L&R faders much lower than usual - minus 15 or so insted of minus 5 to 0 - and run all other faders hotter than usual so that "solved" that issue. But, during soundcheck the band stopped dead and asked that I take the bass guitar out of all the monitor mixes - it was only up in 1 mix on the mixwiz. Scratched head, muted stuff, messed around and it went away. The band did 1 more song for sound check and were happy except that they said for a moment they heard the lead guitar in all monitor mixes but then it went away too - weird... After sound check I had some time to fiddle with things and realized that whenever I hit a PFL button or turned up the headphone output, it showed up in all monitor mixes. The monitor bus is being fed through aux 6 at a pretty high level. I mixed the show without using my cans which sucked but I got through it.</p><p>So now I guess Im back to replacing PC boards. Im confused a bit though because the hiss is in the left channel but the monitor circuitry is on the right PC board - maybe I need to replace both?</p></blockquote><p></p>
[QUOTE="Jeff Hague, post: 31344, member: 128"] Re: New issue...: Anyone with Allen & Heath repair skills? So the cable reset fix didnt last long. Saturday the hiss was back and a new problem has surfaced, although it may have been there all along but I didnt notice it. I run the GL for house and a MixWiz for monitors and sometimes I run aux 6 from the GL into a channel on the Mixwiz so I can get my FOH talkback and canned music into the monitor mixes. To minimize the hiss I have found that I can run my L&R faders much lower than usual - minus 15 or so insted of minus 5 to 0 - and run all other faders hotter than usual so that "solved" that issue. But, during soundcheck the band stopped dead and asked that I take the bass guitar out of all the monitor mixes - it was only up in 1 mix on the mixwiz. Scratched head, muted stuff, messed around and it went away. The band did 1 more song for sound check and were happy except that they said for a moment they heard the lead guitar in all monitor mixes but then it went away too - weird... After sound check I had some time to fiddle with things and realized that whenever I hit a PFL button or turned up the headphone output, it showed up in all monitor mixes. The monitor bus is being fed through aux 6 at a pretty high level. I mixed the show without using my cans which sucked but I got through it. So now I guess Im back to replacing PC boards. Im confused a bit though because the hiss is in the left channel but the monitor circuitry is on the right PC board - maybe I need to replace both? [/QUOTE]
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