[ICOM] IC-761 High Pitched Whine

[Tom Greenwood]

Hello all

 

I have an IC-761 that has developed an intermittent high pitched whine.  The
sound is coming from inside the rig and not through the speaker.  The
problem is that it is becoming more frequent.  

 

According to QSL.net, one of the possible causes is a DC-DC converter on the
display board identified as DP-6.  Unfortunately, this device is no longer
manufactured.

 

Has anybody found an alternative to the DP-6 or a means to repair it?

 

Regards and 73

 

Tom Greenwood

N1JQB