Author Topic: lcd displays black screen (Read 3658 times)

atomicareprise · « **on:** January 14, 2009, 06:44:36 AM »

so what could be possibly wrong with my psp..

i swap my case then when i put it together

my lcd displays only black..i tries it with my other lcd its the same...

i'm using phat..please help guys..

H-Sauce · « **Reply #1 on:** January 14, 2009, 06:47:18 AM »

Check the backlight connector on the MoBo.

atomicareprise · « **Reply #2 on:** January 14, 2009, 07:42:47 AM »

i checked and clean it as well

Cookie Monster · « **Reply #3 on:** January 14, 2009, 10:42:37 AM »

is it completely off or is it just the back light. check by going to a light and reflecting it off the screen, u should be able to see the menu. if so then u've blown the fuse and need to bridge it.

Zay22446688 · « **Reply #4 on:** January 14, 2009, 02:38:51 PM »

Man I have the exact same problem I did a case swap for a chrome case on my psp 1000 I got my case off of DX. So far I havent found what is wrong. Do you have sound like me? And the screen is not on or the backlight. Im gona try swaping my brothers power board and motherboard into my psp. I think its a problem with one of the connections or dust. But until one of us finds the answer well have to play with dark screens.

atomicareprise · « **Reply #5 on:** January 14, 2009, 10:12:19 PM »

yes!!i only have sounds on it...

my case also from DX...some screws cant fit..

and i have to modify the trims and the case iteself!!!

what could be the problem..i had two ofmy phat with the same problem..

DubbleDutch · « **Reply #6 on:** January 15, 2009, 09:41:06 AM »

brigde the 0.5 amp fuse

if there is sound but no screen, and other screens won't work either

Zay22446688 · « **Reply #7 on:** January 15, 2009, 04:19:35 PM »

How do I bridge the 0.5 fuse and would it include a solder because ive never soldered before, and if it does can I get the $12 one at radioshack.

xSLICKVICx · « **Reply #8 on:** January 15, 2009, 04:58:37 PM »

Quote from: Zay22446688 on January 15, 2009, 04:19:35 PM

How do I bridge the 0.5 fuse and would it include a solder because ive never soldered before, and if it does can I get the $12 one at radioshack.

yes you have to solder the 2 points on the fuse together, you can ethier use just a big blob of solder on top of the fuse or get a wire and solder it on top of the fuse. about the $12 soldering iron at radio shack how many watts is the radioshack 1?, the recommended amount for the psp mobo is about 15-20 watts. if its a little bit higher just dont hold it on the mobo for too long when soldering. If your not ready to do this kind of stuff just ask a psp modder to do it, it shouldn't be that much to ship it.

Zay22446688 · « **Reply #9 on:** January 15, 2009, 05:07:46 PM »

I just checked radio shack and it is $10.99 for an electric soldering iron that lets you switch between 15 and 30 watts, and when i solder could I get a short piece of wire and attach it to each metal end of the fuse and then solder it there. I think I might try the usb mod first to get the hang of it.

atomicareprise · « **Reply #10 on:** January 15, 2009, 10:24:56 PM »

so after i solder the points what will be the outcome of this??

rceckspurt13 · « **Reply #11 on:** January 15, 2009, 10:38:25 PM »

Hopefully the screen will work again.

atomicareprise · « **Reply #12 on:** January 16, 2009, 01:13:23 AM »

is it possible that my mobo is busted??

rceckspurt13 · « **Reply #13 on:** January 16, 2009, 06:28:26 AM »

It's possible but it is most likely just that fuse. I'd try that first before getting a new mobo.

atomicareprise · « **Reply #14 on:** January 17, 2009, 05:48:46 AM »

thanks rceck...

atomicareprise · « **Reply #15 on:** January 19, 2009, 07:34:50 AM »

what if i just hold the wire on both ends of 0.5 fuse will i see the effect??

or i need to solder it??

Zay22446688 · « **Reply #16 on:** January 21, 2009, 06:48:39 AM »

I put on the blob of solder and still no luck so I am going to swap mobos with my brothers psp cause he doesnt use his anymore and it already has custom fimware installed on it and then downgrade to 4.01m33-2

Zay22446688 · « **Reply #17 on:** January 24, 2009, 05:56:41 PM »

Im not sure if putting on a blob of solder really bridges the fuse and i am going to reapply the solder since i messed up.

bustinthejustin · « **Reply #18 on:** January 24, 2009, 11:28:15 PM »

Putting a blob of solder does bridge it if you have it touching both ends...

Zay22446688 · « **Reply #19 on:** January 25, 2009, 01:09:32 PM »

Thanks, and I tried putting a screwdriver on the fuse to see if the back light would turn on and it did, but the screen either has random lines of color or displays black with gray lines, but it is lit, what may be he problem?

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Author Topic: lcd displays black screen (Read 3658 times)