Thanks Alan,
I'll take a look-see this weekend and see if it's something I can
tackle.
I've recently dealt with tiny flex connectors like that on another
project,
and it survived. :-)
I'll be sure to come back here and report my findings.
73,
-- Dave, N8SBE
On 2023-02-24 13:23, Alan Bloom wrote:
Hi Dave,
Another possibility is that perhaps one of the display connectors has
come loose or is making a bad connection.
I normally wouldn't recommend this since these tiny connectors are
kind of tricky, but since the P3 isn't working anyway, there's nothing
to lose.
There are two surface-mount connectors located underneath the display
on the front-panel board: a 4-pin connector for the display backlight
and a 40-pin connector for the rest of the display electronics.
To access them, remove the front-panel board from the P3 and then
remove the LCD display by gently prying it free from the rubber
holder. Be careful so as not to put stress on the flex circuits going
to the two connectors.
Examine each of the connectors to see if it looks like the flex
circuits are properly seated in them. To re-seat one, open the
connector by using a fingernail to pop open the top. After
re-positioning the flex circuit, press the connector top down again
until it clicks.
As I say, this is a rather delicate operation (which is why the front
panel came pre-assembled in P3 kits). So you might want to consider
sending the P3 in for service and let the experienced Elecraft techs
handle it.
Alan N1AL
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