XPost: rec.radio.amateur.moderated
Ham radio ON7IR
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Replacement of nanoVNA TFT screen
Posted: 23 Apr 2021 01:47 AM PDT
https://on7ir.blogspot.com/2021/04/replacement-of-nanovna-tft-screen.html
The ordered 2.8" TFT module has arrived and I immediately tested it on the nanoVNA which was disassembled a while ago and was waiting in a corner of
the shack.
brand new :-)
A quick check shows that the new screen works perfectly. No annoying
unwanted lines anymore.
A quick check
I could not find a TFT screen without a SDcard interface. I had to remove
that connector because otherwise the LiPo battery does not fit between TFT
and mainboard, partly because of the height of the green capacitor near the
3 switches.
The SDcard connector at the left side on this picture should be removed.
But it is not a hard job to remove. So after desoldering the SDcard
interface and cleaning the pcb it looks like this:SDcard connector removed
and pcb cleaned
And now mainboard and TFT fit together as should be:LiPo battery fits well between the boards
Then the assembly was done after the screen protectionsheet had been
removed.
And voila, like new:Working!
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