List, A fellow technician who is not subscribed has asked me to pass a question on to you for your wisdom. Get your tissues out, it's a sad story. My friend was called to service a Yamaha C7 at a church. He arrived on Tuesday, and was told that the piano had been tuned on the previous Friday (by a reputable tuner - tuner only, she doesn't do repair work - that's why they called him). He checked it out and all the unisons from about midrange to the top were out and the tuning was just awful! The music minister said they've had it tuned every 2 weeks for the last 20 years! They have never been happy with this piano and my friend was the first to check the pinblock to flange fit. Sure enough - huge gap in the treble section between the plate and pinblock. His question: Would it be worth his time and their money to try shimming the pinblock? He was really considering just sending it off to a rebuilder for a new pinblock, as one of the previous quack techs who looked at it doped the pinblock in hopes of solving the lack of tuning stability. Another sad point is that he thinks it's out of warranty now, and for sure since the pinblock has been doped the warranty is void anyway. If someone competent had seen it early on, it could have been fixed by Yamaha at their expense and saved this church tons of money in tuning fees over the years. Any and all suggestions welcome. Todd L. Mapes PTG Associate Member Fort Smith, AR
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