[AMRadio] Heathkit DX-60 grid current drops


Jim Wilhite w5jo at brightok.net
Thu May 27 11:21:34 EDT 2010


Brian the final is losing drive from the driver/buffer/VFO.  Check all 
tubes first then if that doesn't fix it you will be troubleshooting 
under the chassis to find out what components may be changing value.

Jim/W5JO


----- Original Message ----- 



> My Heathkit DX-60 grid current drops after a couple of minutes and 
> will keep dropping more rapidly as I increase drive level. Eventually 
> the tube plates glow red. I am tuning by the book.
> Any ideas?
>
> 73
> Brian



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