SB-102 - more troubles

[Kenneth G. Gordon]

On 15 Jul 2009 at 17:40, Glen Zook wrote:

> Fixing the lubrication problem has no effect on the calibration, it
> only removes the warbling.  As I said before, the company that made
> the solid-state LMOs for Heath (not TRW) didn't put forth the effort
> to calibrate them as did TRW on the tube-type LMOs.

Brian just told me in a private e-mail that the solid-state 
LMO in HIS SB-102 IS made by TRW, and is held together 
with screws exactly like the earlier ones.

Heathkit seems to have made several changes to the SB-
102 during its production life.

We have found at least two different "S" meter circuits in 
various schematics.

Ken Gordon W7EKB

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