[Johnson] More Ranger adventures

[n6kyr at netzero.net]

All:
Decided to pull apart the VFO yesterday. Didn't see any physical problems. The 18 kohm resistor is in good shape but under the advisement of some, I have chosen to excise that unit and opt for an external-to-the-VFO mount of a 20kohm 5 watt unit. Additionally, I did test the 6AU6 and 0A2 tubes. The VR tube tested fine (according to my TV-7A/U t.t.). But the 6AU6 was a very dead number. Nary a peep on the test meter of the t.t. I had preemptively ordered an extra 6AU6 and OA2 a few days before from Antique E.S. I also ordered a handful of .005 uF ceramic discs to replace some of the questionable looking items. I also have a spare panel and cabinet ready to ship off to PNT for his silk screening/refinishing magic.

Other than that, I'm still not clear what was causing the arcing of the 6AX5 rectifier tube. I will continue doing various cap replacements and doing the chart resistance checks in accordance with the manual. If everything works out, I hope to have a station set up sometime in September/October. Cal, N6KYR. 

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