> From: GMM > > Next plan is to dig into the service manual description of the Timer > Interface Serial I/O section, particularly as it relates to > the tuning process. If the working channels end up in tune, then the timer circuitry is probably fine. > I'm starting to think that the voices are working correctly, but some > are receiving bad information. We'll see. The only thing outside the channels that isn't common to the channels are the various decoded lines that enable the S&H switches and that clock the data latches. Have you tried replacing the chips that generate those lines (Z31, Z32, Z60, Z61, Z62)? -- Ciao, Paul D. DeRocco Paul mailto:pderocco@...
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RE: [chromapolaris] Re: Polaris stubborn tuning problems
2015-07-10 by Paul D. DeRocco