[Boatanchors] HRO-60 repairs

[Al Klase]

I guess the first thing I'd look for is a non-functional local 
oscillator when the suspect coils are plugged in.  If that's the case 
swap the tube and check the value of the grid resistor.  The oscillator 
may be unhappy at the higher frequencies.

Al

On 2/24/2010 11:58 PM, John Page wrote:
>
>
> John Page K4KWM Hollow State since 1953 (ex W8PKU,N8BLB,NA8O)
>
> Need help on my HRO-60. Receiver works great with coils C,D,E,and F. Also works great on coil AC. But is dead as a post on coils A and B. One would assume the coil set is defective but not much in them. Caps check right value and coils are not open. Any suggestion as to how to proceed? John
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-- 
Al Klase - N3FRQ Jersey City, NJ http://www.skywaves.ar88.net/