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#5
November 16th 05, 02:52 AM
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Question on Drake TR-4 restoration project.
Bill wrote:
gb wrote: A frequency counter could quickly diagnose this issue. Have you checked the crystals? The LMO may be working correctly. gb I'm firing off a reply before I get the schematic D/l from Bama but this reminds me of a problem I had with my old HX-50A. I wouldn't be quick to blame all 3 band xtals to just go bad in the same way...and it would seem that the LMO is ok. But my old Hammarlund had a common coil in the osc ckt that when mal-adjusted pulled the 10m xtal freqs WAY out of whack. Food for thought. Its hard to find a TR-3/4 anymore that hasn't been subjected to attempts to put it on 11 meters and the 10 meter alignment has been goofed up. -Bill Could also be a capacitor that changed in value. |
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