Screen problem

Paxe87 · Post by **Paxe87** » Wed Jan 09, 2019 10:57 am

Hi guys, I have a question for you
I just received my display unfortunately I have no idea how to convert it 12V to 5V
is very similar to those from the guide, however, it is not the same

tinkerBOY · Post by **tinkerBOY** » Wed Jan 09, 2019 4:43 pm

If your board has the XL1509 chip responsible for converting the 12v input to 5v then read my GearBest Screen 5v mod post.

Paxe87 · Post by **Paxe87** » Thu Jan 10, 2019 12:35 am

Thank you,
I read and look easy, but I did not find these components on my board. I have those

rodocop · Post by **rodocop** » Fri Jan 11, 2019 10:01 am

You could just google those numbers and find some data sheets on those chips. Also, if you have a 12V power source and a multi-meter. Power the screen with 12V and probe those chips and find a spot where 5V is being output, and connect your 5V power there.

tinkerBOY · Post by **tinkerBOY** » Sat Jan 12, 2019 8:21 pm

rodocop wrote: ↑
Fri Jan 11, 2019 10:01 am
You could just google those numbers and find some data sheets on those chips. Also, if you have a 12V power source and a multi-meter. Power the screen with 12V and probe those chips and find a spot where 5V is being output, and connect your 5V power there.

This is exactly how I do the 5v mod to any 12V screen for Game Boy Zero. These screens use different dc regulators but they're all basically the same. They take 12v input and convert that to 5v.

infinitLoop · Post by **infinitLoop** » Sun Jan 13, 2019 7:23 am

I got a few of these too since they were running on special on amazon. The pin you want is pin 2 on the 2013s chip.

: 993FFDDA-C63F-493B-B2A2-19B84EDDBB99.jpeg (2.06 MiB) Viewed 6502 times

infinitLoop · Post by **infinitLoop** » Sun Jan 13, 2019 7:43 am

Btw. Nice photos... it took me quite a few tries in zooming and angling to try and get my phone’s camera to read the writing on the chips. Once I did that, I googled around with those various numbers till I found the schematics for 2013s which looked pretty promising, with 5v on it. Multimeter tests seemed to agree when I had it powered through the standard 12v in. I’ve wired up three like that and they worked like gangbusters.

tinkerBOY · Post by **tinkerBOY** » Sun Jan 13, 2019 8:40 pm

For anyone with the same screen, the schematics is at http://img009.hc360.cn/m8/M07/AA/BB/wKh ... jTI860.pdf.

Connect your 5v directly to the RZC2013S' pin 3.

: rzc2013s.PNG (148.9 KiB) Viewed 6478 times

Paxe87 · Post by **Paxe87** » Tue Jan 15, 2019 5:19 am

infinitLoop wrote: ↑
Sun Jan 13, 2019 7:43 am
Btw. Nice photos... it took me quite a few tries in zooming and angling to try and get my phone’s camera to read the writing on the chips. Once I did that, I googled around with those various numbers till I found the schematics for 2013s which looked pretty promising, with 5v on it. Multimeter tests seemed to agree when I had it powered through the standard 12v in. I’ve wired up three like that and they worked like gangbusters.

Thanks,
I took pictures of this little helper

infinitLoop · Post by **infinitLoop** » Tue Jan 15, 2019 5:45 am

tinkerBOY wrote: ↑
Sun Jan 13, 2019 8:40 pm
For anyone with the same screen, the schematics is at http://img009.hc360.cn/m8/M07/AA/BB/wKh ... jTI860.pdf.

Connect your 5v directly to the RZC2013S' pin 3.

did this work with pin 2 because that is the 12v in, and the pin 3 is the 5v out? so pin 2 works the same as if you just use the input pad?

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