[Elecraft] Problem after installation of KSYN3A - no TX power (not direct related)

[Guy Olinger K2AV]

Check that ALL the mini cables are properly seated in their
sockets. Sometimes originally a cable was not properly seated but didn't
cause trouble. Then only a very light jostling during some later work
inside the case can break the connection.

Don't bother asking how I know this.  :>)

73, Guy

On Saturday, April 11, 2015, Johnny Siu <vr2xmc at yahoo.com.hk> wrote:

>  Hello Group,
> This morning, I installed the new KSYN3A to my colleague's K3/100.  The
> installation is easy and DISPLAY gives an indication of SYN1 ok.  RX is
> working well.
> However, the K3/100 gives no TX power output even I set below 12W solely
> using the LPA.  I then discovered that the supply power voltage was 15.7v
> as indicated in the VFO B display (I later turned it back to 13.8v for
> further testing).
> Apparently, the installation of the new KSYN3A should have no relationship
> with the TX problem.  Since the K3/100 did not deliver any power, TX
> calibration could not be done.
> I tried to put the setting via the MENU of KPA3 to PAIO ON or PA BYP or
> PAIO BYP but still no TX output.  The KAT3 was set to BYP as well.  All
> test under a Bird 50 ohms dummy load.
> Before approaching Elecraft support, could any of you give me some
> directions for trouble shooting?
> Thanks in advance.
> 73
> Johnny VR2XMC
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