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AE9RB • View topic - LED Message: XTAL

LED Message: XTAL

General discussion and support for the Peaberry SDR V2.

LED Message: XTAL

Postby vk5yx » Fri Sep 04, 2015 4:51 am

Question: Can the LED message "XTAL" mean anything other than a bad crystal?
Should the crystal be replaced?
from Hans VK5YX Adelaide, Australia
vk5yx
 
Posts: 7
Joined: Wed Nov 06, 2013 3:38 am

Re: LED Message: XTAL

Postby W4MMP » Fri Sep 04, 2015 4:58 am

73
Ron / W4MMP
W4MMP
 
Posts: 579
Joined: Fri Jan 03, 2014 3:31 pm
Location: Lovettsville, Virginia FM19EG

Re: LED Message: XTAL

Postby vk5yx » Fri Sep 04, 2015 5:26 am

Hi Ron, thanks for taking an interest.
Yes it has worked; had a few good QSO-s, but there were a few intermittent problems and I was not satisfied with my workmanship on soldering the PSoC.
I chose to remove and replace it with a new one (from David AE9RB).
I'm confident that I've done the job well; it's nicely aligned and all legs are cleanly soldered.
However, on "power up" it displays XTAL. Perhaps the crystal was marginal in it's operation?
I can't see any other reason for the message, so am inclined to get a new crystal. What do you think?
73, Hans VK5YX
vk5yx
 
Posts: 7
Joined: Wed Nov 06, 2013 3:38 am

Re: LED Message: XTAL

Postby W4MMP » Fri Sep 04, 2015 12:37 pm

73
Ron / W4MMP
W4MMP
 
Posts: 579
Joined: Fri Jan 03, 2014 3:31 pm
Location: Lovettsville, Virginia FM19EG

Re: LED Message: XTAL

Postby vk5yx » Mon Sep 07, 2015 7:13 am

Hi again Ron,
The problem turned out to be an open circuit between the crystal and pin 39 in the board.
I installed a thin wire jumper from the land pattern at pin 39 to the crystal and now all is well! (not easy!)
Thanks for your input.
73,
Hans VK5YX
vk5yx
 
Posts: 7
Joined: Wed Nov 06, 2013 3:38 am

Re: LED Message: XTAL

Postby W4MMP » Mon Sep 07, 2015 8:05 am

73
Ron / W4MMP
W4MMP
 
Posts: 579
Joined: Fri Jan 03, 2014 3:31 pm
Location: Lovettsville, Virginia FM19EG


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