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October 20th 06, 02:35 AM
posted to rec.antiques.radio+phono,rec.radio.amateur.boatanchors
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SP-600 tuning backlash....
A while back I posted about the 'SP-600 from hell'.
After a lot of work, and some great advice, the restoration is complete. Still a couple of small bugs to work out. One is bad backlash in the main tuning dial. This radio uses gears that are mounted on movable plates that are pre-loaded with an "S" shaped spring. I've made certain that the plates are able to move freely, and the springs are OK. Has anyone had, and solved this problem? If so, I'd sure like to hear from you. At this point I'm stumped. TIA Steve p.s.-still looking for the main tuning and crystal phasing knobs |
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Steve 
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