148 hooked up at 20 volts now wont work need help

cowboy277 · Post by **cowboy277** » Sunday 10th Feb 2008, 5:13

i didnt realize my power supply was turned up to high and pluged my 148 gtl in and now it wont come on and shorts out my power supply the bored # is pc-412 anybody plz help maybe a safety feacher on here lol thx josh

ramblingman · Post by **ramblingman** » Sunday 10th Feb 2008, 16:01

sounds like you might have smoked the voltage regulator...check ic-4 the mb3756,this is the voltage regulator ic..also check d-44

cowboy277 · Post by **cowboy277** » Tuesday 12th Feb 2008, 5:53

thx for all your help but i found the prob to be d55 was blown so changed that one and evey thing worked again thx

booger351 · Post by **booger351** » Monday 24th Mar 2008, 21:08

I hate it when that happens.