BW 3.5 TFT LCD - 5V modification

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schnauzbart
Posts: 1
Joined: Sun Oct 07, 2018 8:48 am

BW 3.5 TFT LCD - 5V modification

Post by schnauzbart » Sun Oct 07, 2018 8:56 am

Hi all,

I just started my first try on a GameBoy Zero.

Therefore i purchased this 3.5 inch tft lcd display from BW:
(https://www.amazon.de/KFZ-R%C3%BCckfahr ... op?ie=UTF8)

My problem here is, that the board doesn't fit any I found online.
It's similar to a Variant 2 but not really the same.
https://www.sudomod.com/wiki/index.php/GBZ_Screen
20181007_1634208.jpg
board
20181007_1634208.jpg (2.7 MiB) Viewed 189 times
I've connected the display to 12V and 5V and measured out the voltage values on the chip, I suppose, is the DC/DC-converter.

In most guides the DC/DC-Converter is skipped by just connecting 5V to the VOUT pin.
My version however only has 4V output. I'm afraid that I will damage the board by connecting 5V to the pin I measured 4V.
20181007_163409.jpg
values
20181007_163409.jpg (3.64 MiB) Viewed 189 times
If anyboy is able to help me I would be really glad.
Thank you for your answers!

Greetings
schnauzbartS

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