Its probably just a VCO alignment problem. There are 4 VCO's to cover
the whole frequency range. The four cover 0.1 to 7.0, 7.0 to 14.0, 14.0
to 22.0 and 22.0 to 30 MHz. The test point is at the junction of Q1-C
and Q3-C on the Major Loop board (P/N 81338). Adjust each VCO coil to
provide about 7.6 volts at the high end of each range. At the low end
the voltage will read about 2.75 to 3.0 volts.
73,
Bob WB2VUF
john ferro wrote:
i'm about to take a chance on a paragon - it's in good shape, but the owner
tells me it goes out of lock above 20 mhz. has anyone seen this specific
problem? - its interesting to me that the problem only occurs above 20 mhz -
any ideas would be appreciated. TIA, john
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