[Elecraft] K2 - intermittent probem in RX and TX

[Don Wilhelm]

Werner,

Look in the BFO and VFO areas.

An problem that corrects itself by tapping is normally caused by a bad 
solder connection.
Reflow the soldering (adding a little bit of flux from new solder) with 
a hot (400 degC) iron.

73,
Don W3FPR

On 4/8/2012 6:48 AM, Dr. Werner Furlan wrote:
> I have an intermittent problem when receiving and transmitting.
> Rx: the received modulation from other stations on 80/40m in LSB sounds like it is on the
> wrong sideband. The RX level seems quite low. Sometimes I have the impression that the
> frequency is not stable, it is like the radio is tuning upwards, the sound of the signal becomes
> narrower (with the OP1 selected)
> Tx: there is no or very little output power.
> All symptoms disappear when I tap on the top case and the radio works normal for a while
> until it appears again.
>
> Can someone imagine where I should start looking for the problem?
> Any specific information on the installed options needed?
>
> 73!
> Werner oe9fwv
>