[Solved] Another screen problem :(
[Solved] Another screen problem :(
Hello everyone,
I'm trying to create a game boy zero with a bigger screen (4.3'') (the other components are the same XD).
The screen is this one: https://it.aliexpress.com/item/Jansite- ... 4c4dc83HDs
I try to find out the 5V pin with my multimeter but i only find 3v tensions on the pin (or 0,2v).
Someone can help me?
I'm trying to create a game boy zero with a bigger screen (4.3'') (the other components are the same XD).
The screen is this one: https://it.aliexpress.com/item/Jansite- ... 4c4dc83HDs
I try to find out the 5V pin with my multimeter but i only find 3v tensions on the pin (or 0,2v).
Someone can help me?
Last edited by Mike9490 on Fri Feb 22, 2019 3:35 am, edited 2 times in total.
- infinitLoop
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Re: Another screen problem :(
i think you need to get a better picture of the chips with legs on them. it may not seem like it, but there are chip codes printed on them, if you can get the zoom and angle/light just right, you can get a picture of them on your phone, but it's not easy. it might be that that size screen doesn't do the 5v conversion too.
Some of my builds...
BMO GBZ
Star Wars Millenium Falcon Challenge
Game Boy Color Zero
... and another Gameboy Color Zero with custom 3D-printed parts
"Ultimate" 3A+ Build
GlowBoy Zero
Some 3d designs I've done...
Soft Tactile Shoulder Buttons, for screw-hole, well mounting
Snap-in, Soft Tactile Shoulder Button insert, for screw-hole, well mounting
Pac-Man and Space Invaders Themed Rear Fan Holder
BMO GBZ
Star Wars Millenium Falcon Challenge
Game Boy Color Zero
... and another Gameboy Color Zero with custom 3D-printed parts
"Ultimate" 3A+ Build
GlowBoy Zero
Some 3d designs I've done...
Soft Tactile Shoulder Buttons, for screw-hole, well mounting
Snap-in, Soft Tactile Shoulder Button insert, for screw-hole, well mounting
Pac-Man and Space Invaders Themed Rear Fan Holder
Re: Another screen problem :(
I write all the components that are unreadable in the image.
do you think it's impossible to convert this screen?
do you think it's impossible to convert this screen?
- infinitLoop
- Posts: 536
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Re: Another screen problem :(
i can't say for sure, but none of those look very promising. you'd have to test the pins, but if you did that and none were reading 5v, then it might not have that voltage converter. have you tested to see if it'll just power up on 5v? if it does, it might be ok to run it like that, just inefficient.
Some of my builds...
BMO GBZ
Star Wars Millenium Falcon Challenge
Game Boy Color Zero
... and another Gameboy Color Zero with custom 3D-printed parts
"Ultimate" 3A+ Build
GlowBoy Zero
Some 3d designs I've done...
Soft Tactile Shoulder Buttons, for screw-hole, well mounting
Snap-in, Soft Tactile Shoulder Button insert, for screw-hole, well mounting
Pac-Man and Space Invaders Themed Rear Fan Holder
BMO GBZ
Star Wars Millenium Falcon Challenge
Game Boy Color Zero
... and another Gameboy Color Zero with custom 3D-printed parts
"Ultimate" 3A+ Build
GlowBoy Zero
Some 3d designs I've done...
Soft Tactile Shoulder Buttons, for screw-hole, well mounting
Snap-in, Soft Tactile Shoulder Button insert, for screw-hole, well mounting
Pac-Man and Space Invaders Themed Rear Fan Holder
Re: Another screen problem :(
I try using the 5 V but obviously it doesn't work...
I'll use the multimeter another time and i hope to find some 5V that i don't see
I'll use the multimeter another time and i hope to find some 5V that i don't see
- correia5022
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Re: Another screen problem :(
Well, not sure if it would work, but i did something similat into some audio amplifier boards and worked:
See that 10V cap? i'm sure there is a 5v rail passing there. i connected my 5v power supply to it and works.
ATTENTION: i used in audio amps, not in that type of pcb's. (but it wont hurt at least measure its voltage... confident it will read 5v)
See that 10V cap? i'm sure there is a 5v rail passing there. i connected my 5v power supply to it and works.
ATTENTION: i used in audio amps, not in that type of pcb's. (but it wont hurt at least measure its voltage... confident it will read 5v)
________________________________________
Starting on electronics
My first build, 2 years later
https://sudomod.com/forum/viewtopic.php ... 8&start=30
Check out my Boombox: https://nrcboombox.wixsite.com/website
Starting on electronics
My first build, 2 years later
https://sudomod.com/forum/viewtopic.php ... 8&start=30
Check out my Boombox: https://nrcboombox.wixsite.com/website
Re: Another screen problem :(
Thanks for the reply,correia5022 wrote: ↑Mon Jan 14, 2019 3:49 pmWell, not sure if it would work, but i did something similat into some audio amplifier boards and worked:
See that 10V cap? i'm sure there is a 5v rail passing there. i connected my 5v power supply to it and works.
ATTENTION: i used in audio amps, not in that type of pcb's. (but it wont hurt at least measure its voltage... confident it will read 5v)
I will try as soon as possible because i give my multimeter to a friends.
I hope to find that 5v somewhere on that board.
- correia5022
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Re: Another screen problem :(
So have you measured the voltage across the cap?
________________________________________
Starting on electronics
My first build, 2 years later
https://sudomod.com/forum/viewtopic.php ... 8&start=30
Check out my Boombox: https://nrcboombox.wixsite.com/website
Starting on electronics
My first build, 2 years later
https://sudomod.com/forum/viewtopic.php ... 8&start=30
Check out my Boombox: https://nrcboombox.wixsite.com/website
Re: Another screen problem :(
I try but i can't find any 5v near the 10V cap ( just a 3.3V on the pin of that capacitor).....
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