Sony Debug DTL-1102 Power Supply

Hi All,

Just picked up a DTL-1102 Sony Debug PAL unit with no PSU, I have heard you can swap PSUs from a retail unit into this one with no issues.

My question is do I have to use any specific model ?

Thanks

 

Which PSU are you talking about? The DC-DC converter board that goes inside the console, or the external 12V power brick?

If it's the internal board, you can put a SCPH-1002 PSU in it (I assume you want 220V power) - the external brick was only used on those debugs and there is no equivalent retail.

 

Hey man,

Yeah sorry the internal PSU board, so a 1002 is just a remove and drop in job ?

Cheers man

 

yehh mate I did it to test my unit
just remove nd drop in

 

Sweet, just wasted £23 on a universal PSU for laptops as I was lead to believe VIAO laptop chargers are compatible but none of the tips fit it. Just ordered a 1002 unit only for £9.99 shipped on eBay. Will see if I can return the universal PSU it's annoying as it came in one of those shitty plastic bubbles.

Cheers

 

well you learn from others and your mistakes

 

I think I might have a couple of the proper power supplies for these units... If you are interested drop me a message and I'll have a look.

 

PM'ed Cheers

 

I have a blue debug with the external brick.Time ago I used the "external" board/brick setup in a normal ps1 and the console was working fine but.... Are you saying that I cannot use the internal board on a blue debug?(never tried that's why I'm asking)

 

No, you can use a retail PSU in one of those SCPH-110x debugs with no problem - you have to use one from a PU-7 or PU-8 based machine because the connectors are different and there are slight changes to the mounting. All I was saying was that Sony never made a retail console with that PSU arrangement.

 

Btw why did they make an external brick for those models?? Also a little offtopic... Is there a way to remove the color banding from those "glitched" consoles?

 

At one point, there was a theory that the heat from the PSU was a significant factor in the failure of the CD-ROM drives, so it's possible they went with an external PSU brick to move some of the heat outside the casing. The external brick was also universal input, which is useful if you are doing something like developing NTSC games but are in Europe with 220V power.

If you mean the GPU banding, then there is really nothing you can do about it. On those old machines, the video DAC is hard-wired to the read port on the VRAM, and will always run at the same bit depth as the frame buffer. Since the PSX only supports 3D operations in 15 bit (5:5:5 RGB) mode, this means that you have only 32 intensity levels for each color component, which is what causes the banding.
On the new GPU, the video DAC is driven by the GPU rather than directly from the RAM - as a result, it can do the shading calculations in 8:8:8 RGB and output the results to the DAC without throwing away the LSBs and an area of color that would have appeared as a single shade using the old GPU can display at 8 different intensity levels on the new one.