Byron,
There is no single cause, other than to say that somewhere in the
transmit RF chain there is a problem.
Turn to the back of the K2 manual and do the Transmit Signal Tracing
procedures.
While doing the procedures, work in the order listed. You may ignore RF
voltages that are greater than the listed expected value.
What you are looking for is the first point where the RF voltage is
substantially lower than the expected value. That is the output of the
failing stage. Check that stage in detail - component values, solder
connections, DC voltages etc.
Refer to the schematic to identify the components associated with that
stage.
73,
Don W3FPR
On 1/3/2017 8:46 AM, Byron Allen wrote:
Serial # 4455
What would cause the following low power after all the bandpass filters
have been peaked? maximum power setting
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