[ARC5] A part badly needed

[Leslie Smith]

  Hello Ken,
   I suggest you check the plate voltage of the HF oscillator.

  The circuit diagram shows a plate dropping resistor in the circuit of
  the local oscillator.
  The plate voltage in the HF oscillator and BFO is quite low.

  The plate dropping resistor is "buried" in the coil box.
  The carbon resistors in these sets have a reputation of "going high".
  
  GL

  73 de Les Smith
  vk2bcu at operamail.com


On Thu, Jun 6, 2013, at 3:14, Robert  Eleazer wrote:
> Ken:
> 
> Back around 1981 I bought a 1.5- 3 MHZ set for maybe $1.50 at a ham swap
> meet, my original intention being to salvage it to build a VFO.  It was a
> sad looking thing, missing a cover and a few other things but as it
> turned out with only a little work, like replacing a missing tube or two,
> the radio worked great.
> 
> And then it stopped.  Eventually I found the problem was a cold solder
> joint at the top of one of the sockets for the coil pack.  So, since your
> problem it is coil pack related, you might check that. 
> 
> Good luck
> 
> Wayne
> 
>    
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