Bricked PS board?

[Yahtzee!]

So I'm a total electronics noob, but got a portable DVD player with an unworking lens for free and thought I'd try to portable-ize my original playstation.

I got the step down regulator from Texas Instruments. However, the local radioshack didn't have the recommended 1.8k or 2k resistors, only 1.5k and 2.2k. I tested the 2.2k with a multimeter and it gave about 4v. I hooked everything up and the disc would spin but the video was only a black screen. I then tested the set up with the original power supply to make sure I didn't junk up the soldering, and it booted fine. So I swapped the 2.2k resistor for the 1.5k. This gave about 3.6v. I tried this set up and nothing happened. Tried again with the power supply and still nothing...

Did I fry something? I intend to get another playstation from ebay or something, but I don't want to go through a slew of old units. Any help would be greatly appreciated.

[blaze3927]

im pretty sur most psone/1 models have a fuse somewhere that you can jump/replace.
i'll have a look around

[Yahtzee!]

If it helps, the PS model number is 7501. Do you think it was the incorrect voltage that caused the problem? Do I need exactly 3.5v for the middle pin?

[Haunted360]

Well technically yes. You need the exact voltage. It depends on how the PS1 will handle 3.5 volts. Like some circuits, it would be fine. Depends how 'sensitive' it is really...