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could it be too much amperage?

i dont see why it wouldnt be enough amperage though. a powersupply of 9 volts and 210 miliamps makes it act weird i think its the voltage. the batterys are a little bad they only supplt 8.3 volts now. i think that is the problem considering the screen requires 9 volts

if it is indeed amperage then how can i get more amperage i am using an 1500 milliamp rc car battery

in that case, watch out for the screen. if you have my luck it will be plagued with problems

so i unwired the screen and then re wired it and the screen went back to black but the video didn't work. i then got the video to work but the screen turned white again so i unwired it and it is still white. idk what to do anymore mabye i should put it away for a while then come back to it

ok i have checked all the resistors i possibly can. and the screen is still bright white. is the screen just dead

okay thanks. ill have to check the resistors that lead to the signal

im building a portable nes and while testing and relaxing playing a game of mario on it the dvd player i am using for my screen it got really bright. The video still comes in but the screen is bright white. Any input by anbody

guess im doin the nes cause i love playin double dragon

the genesis is easier but it is bulky. the nes mobo is smaller but you have to build more custom circuits in order to make it effective

If this is the wrong spot to post this im sorry. Im new to portablizing game systems and after doing a week of research i cant decide weather to portablize my nes or my genesis v2. any input would be greatly aprreciated.