[TenTec] Omni VI Frequency Adjustment

[Rick W]

I have recently acquired and Omni VI. The rig has seen little use in the last 10 years but it is working VERY well with a minor exception.  The rig is slightly off frequency  (about 150 Hz) - even after a significant warm-up.

Looking at the schematic, I have found the crystal oven on the Logic Board (81606).  It looks like the crystal frequency can be tweaked with C31.  This is an early O-6 and it has the crystal oven.

Other than C31, are there any other adjustments I should be considering? 

Thanks.

73,
Rick
VE7TK

Website: http://www.ve7tk.com