CEC Support / Löten der Leiterplatte

melanrz

jernej replied at 2016-5-21 21:00
For starters, disclaimer: Nobody tried this before and you might destroy your board in the process.
...

Hi Jernej,i cut trace on hdmi cable ,cut and solder on board its not good idea.look my solution,im ready to test.

jernej

I really can't imagine how did you connect this. It would be better to show some schematic...

If you connected GPIO pin directly to HDMI cable, I can tell you that it's not wise solution. You bypassed some kind of voltage shifter or protection or both.

melanrz

jernej replied at 2016-5-31 05:04
I really can't imagine how did you connect this. It would be better to show some schematic...

If yo ...

yes,directly to hdmi cable,i test it on old lg tv with cec support,if fired up opi pc or tv is not a problem,i want test it,after all i can make some kind of external logic level converter

Sylvania

Hi

I made the "CEC mod" without cutting traces.
Lift the Q2 Source pin and isolate it with a piece of Kapton tape.
Remove R105 and place it between Q2 source pin and the closest R105 pad.
Connect a wire from Q2 source pin and PA21 (pin 26)
Tested a few images and can't find any that works ! Please help !


Best regards
Kim

melanrz

Sylvania replied at 2016-6-2 14:17
Hi

I made the "CEC mod" without cutting traces.

try pa14 with tronfy image

Sylvania

Hi

Thank you.. CEC wire is now on PA14. Image http://freaktab.com/forum/tv-pla ... 3-rom-mmk-tronfy-x2 ain't working :-/
Can you give me a link to a working img with CEC support ?

Best regards