![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgL2Lci_8gHZT3pC7rvFg_ICI1o3Y16W-y9-MOzYXWpbjmKPFx3vTrXagsXN-X91n31j9fK-UbAEw0PZpssL1r9YVH1fTzv16VZ9VRTnKd-IqbziZSZ8Y7ygRonfAro8ez37A6kQnsAHADE/s320/pm3217.jpg)
Dana Simmons is a professional audio engineer and technology consultant and dabbles in instrument invention, synthesizer construction and other experimental music and technology related projects. Here he rambles about his recent projects and such.
Tuesday, June 24, 2008
Phillips Scope Repair (Done)
Like the title says, I've been able to successfully repair my PM3217, with a lot of help from a friend. Turns out there was a broken strand of wire that was part of an induction coil in the vertical amplifier, after a quick re-solder the C.R.T is fully functioning. The next step was to recalibrate the beast. I managed to find a service manual, which included the much needed instructions and schematics for the process. Several nights of tedious measuring and adjusting and everything is back in order. The finished product is pictured bellow, not a bad deal for $60 odd bucks on ebay after all.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgL2Lci_8gHZT3pC7rvFg_ICI1o3Y16W-y9-MOzYXWpbjmKPFx3vTrXagsXN-X91n31j9fK-UbAEw0PZpssL1r9YVH1fTzv16VZ9VRTnKd-IqbziZSZ8Y7ygRonfAro8ez37A6kQnsAHADE/s320/pm3217.jpg)
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