Icom IC-756 Pro II CCFL to LED Part 1 of 3 Back light Conversion. Dim Display Fix

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Icom IC-756 Pro II CCFL to LED Back light Conversion, Improve the back light on the Icom by removing the old ccfl tube and fitting led strip.
Part 2 of 3 how to connect existing brightness control.
• Icom IC-756 Pro II CCF...
Part 3 of 3 Updated Display Control
• Icom IC-756 Pro II CCF...
Corrected PCB diagram and build to replace incorrect one in video.
drive.google.c...
LED specifications list and cutting size guide.
drive.google.c...
The led type i used but any with same dimensions would work OK
drive.google.c...
LED supplier
www.ebay.co.uk...
Final design and schematic as in video 3 of 3 • Icom IC-756 Pro II CCF...
with full brightness control from original back light control.
drive.google.c...

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15 сен 2024

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Комментарии : 14

@g0fvt 2 года назад

Well done, I am about to tackle the inverter in a 746 Pro, this is a tempting alternative.

@XPFTP 5 лет назад

good set of videos. iam goin to try the 741 mod. on breadboard and see how i go.. but its in the save box for when my screen lite goes south ty for ur time doin the 3 videos

@skanti-sp2qz 6 месяцев назад

I am in Ipswich with 756pro 3 Would like to do this but dont feel confident vould you help please. Steve

@TE5LA-GAMING 11 месяцев назад

Are the buttons with red illumination on a different system? I have no lighting on power switch, the soft keys left of the screen, or on the numeric pad. Everything else works.

@Orionshield1948 5 лет назад

Great work, thanks--73!

@VK2XXL 5 лет назад

Thanks for this video! Just what I'm looking for. Any chance you could tell me where the control board would have to tap into the dimmer circuit for those of us who may want to try doing it? Cheers, Andrew VK2XXL

@bandcam 5 лет назад

Hi Andrew, I did a bit of research with the schematic and the PCB board, It does state a back light voltage point but when measuring this and linking to the Dim voltage control of the led module I was unable to get a result. I have not given up but will in the future be looking for ideas and maybe help from others but when I get a usable result will be posting here. But must say I am very happy with the results of the upgrade and tend to leave the 756 on most of the time with no fear of display failure. cheers Barry. G4LVD

@VK2XXL 5 лет назад

@@bandcam Thanks Barry. Sounds good mate. Not really a big problem at the end of the day when you consider how much better the LED mod is. I'll be trying this on mine. The main challenge for me will be making up that little regulator PCB.

@bandcam 5 лет назад

All sorted Part 2 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-e0rJKp7c2rk.html

@bandcam 4 года назад

Video part 3 of 3 now shows new control board and how to connect it. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-gyKRCw_njtk.html