[BC] Harris THE-1 Recommendations

Alan Alsobrook radiotech at bellsouth.net
Fri Jun 15 12:52:09 CDT 2012


Danny Ray Boyer wrote:
> I am fixing to refurbish a Harris THE-1 FM exciter on the bench that has 
> been out of service for several years.

Danny,
the only real problem I've had with a THE-1 is dust accumulation behind 
the blower. That may not seem like a big problem but it can be with that 
unit. The dust gets across the control lines and should the unit get 
exposed to high humidity, it causes the high-z power control line to 
throttle it down to zero output. A tropical storm revealed this problem, 
and I've seen it on a few other THE-1's since.

My recommendations area a very detailed cleaning, check or replace the 
power supply caps, and fix any specific problem.

Note, I only have one of THE-1's in service, and it's been in service 
since it was new in 1993.

-- 
Alan Alsobrook CSRE AMD CBNT
St. Augustine Fl. 32086 904-829-8885
aalso at Bellsouth.net



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