42-321 model variations, schematic needed

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42-321 model variations, schematic needed

Sean
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Posts: 149
Threads: 4
Joined: Oct 2005
City: Sullivan, MO

10-09-2009, 05:50 PM

Hi Stephen,

The info in the 1942 Philco RMS Yearbook appears to be exactly the same as what is in Rider 14-18 and 14-19. It sounds like your oscillator is not oscillating. Have you checked voltages around the 7A8, checked continuity of the oscillator coil, cleaned the pins on the tube and the socket contacts?

Sean
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Messages In This Thread

42-321 model variations, schematic needed - by FStephenMasek - 10-08-2009, 09:18 PM

Re: 42-321 model variations, schematic needed - by Sean - 10-09-2009, 05:50 PM

Re: 42-321 model variations, schematic needed - by Guest - 10-30-2009, 03:47 PM

Re: 42-321 model variations, schematic needed - by FStephenMasek - 11-08-2009, 05:11 PM

Re: 42-321 model variations, schematic needed - by PTurney - 11-09-2009, 09:17 AM

Re: 42-321 model variations, schematic needed - by FStephenMasek - 11-11-2009, 09:06 PM

Re: 42-321 model variations, schematic needed - by Joe Rossi - 11-11-2009, 09:12 PM

Re: 42-321 model variations, schematic needed - by FStephenMasek - 11-12-2009, 11:20 AM

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