Turned on my K3s this morning and got a blank screen. Could not turn it
off after that without removing power. Haven't opened it up yet, just
wondering if anyone has encountered this and can suggest a good place to
start troubleshooting before bothering Elecraft's Tech Support with it.
Jim S
Keith _always_ gives good advice. I would add one thing. Make sure the AUXIO
cable is disconnected from the back of the K3 when you do your testing. If it
is directly connected to a KPA500 or KPA1500, it just may keep the K3 from
shutting down. We don’t remember if the LCD will go blank in this
Our club's K3 has had a similar problem for several months. It only occurs
when you physically turn the K3 power off from the from the front panel. The
display stays lit, but remains blank. Pressing the power button has no effect
until I turn off the 13.8V supply, and turning it back on. W
Hi Jim;
First, do NOT try loading FW, don't do a Parameter-Reset (EE-INIT) when
it is in this state.
1. Check the right side of the radio, it should be warm not hot.
If hot, then the 5 or 8 volt regulator is working too hard, either a
short or itself is bad.
2. More likely, C102 on the FP (F
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