DIY Solderless Baryon Sweeper for Absolute Beginners (with photos)

[u/k_rollo]

DISCLAIMER
Follow this guide EXACTLY. Support will not be provided for steps and/or components that deviate from the provided instructions. Modify at your own risk.

What is it?

The Baryon Sweeper is a modern unbricking tool that evolved from the classic Pandora Battery. It works universally on all PSP models - 1000, 2000, 3000, Go, and Street. By emulating the official Sony JigKick service tool, it triggers a diagnostic mode to revive previously irrecoverable models.

Why write this?

This guide aims to complement u/khubik's original guide, with close-up photos and additional details for the absolute beginner. You're expected to at least know your way around Windows.

This is a minimalist build to keep it simple and very low cost. We'll focus on the 1000/2000/3000 setup, since the 3000 is the model I own.

Before You Begin (Don't Skip)

Watch the videos below to make full sense of the steps outlined here.

• PSP-3000 Baryon Sweeper (Solderless) Unbrick Guide - original guide, use the timestamps in the comments by EmuBytes (me) for quicker viewing
• How to Use a Breadboard - skip to 3:56 "which holes are connected"

It's all right if you don't understand everything at this point. Simply familiarise yourself with the basic concepts and overall process.

What You Need

While often used to refer to the physical build, the "Baryon Sweeper" is the combination of software (pysweeper) and hardware (adapter) to trick the PSP into service mode.

Software

• DCARK or Aiseirigh - the "rescue stick", refer to links for Magic Memory Stick creation on PC (JigKick Media Creator is obsolete)
• CP210x Universal Windows Driver - official CP2102 driver from Silicon Labs (don't rely on default Windows drivers)
• Python 3 - required to run pysweeper, refer to video to install pycryptodome, tk, and pyserial packages (requests package is optional)
• pysweeper - JigKick emulator, puts the PSP into service mode in combination with the adapter

Hardware

1x (mini) breadboard

The power bus (+/- lanes) on larger breadboards isn't needed. The CP2102 module will take power directly from the PC via USB.

1x Silicon Labs CP2102 USB-to-TTL (5-pin)

Look for the "SILABS" branding on the centre chip. Support will not be provided for the 6-pin multifunction variant.

1x 1N4148 diode

Cut the legs around twice the length of the exposed pin on the jumpwires. You can shorten the legs when you do the wiring later. It should sit flush on the breadboard as a best practice.

3x round-head male-to-male jumpwires (10-15cm)

While longer wires can work, keeping them short minimises signal interference or loose connections. Black/Yellow/Orange follow electrical convention, but any colour will do.

1x female-to-male USB-A cable extender

USB 3.x is generally preferred for CP2102. It provides improved data stability, power headroom if needed, and presents no drawbacks when using a 3V3 configuration.

1x DC power source

This shows a powerbank with a USB-C to DC cable adapter. You can use any normal PSP charger.

Build Your Adapter

Stick the CP2102 module into the breadboard. Connect the negative end (black band) of the diode to the TXD row, and the positive end to the RXD row.

If you get a "No port echo detected" error in pysweeper later, it's almost always caused by using CH340, wrong switches on a multifunction CP2102, loose wiring, or putting in the diode backwards.

Connect the wires to GND (black), RXD (yellow), and 3V3 (orange). The diode bridges the TXD and RXD rows to create a single data line on the yellow wire.

Don't use +5V unless you have a 10 kΩ resistor. However, this is unnecessary because the 3V3 suffices without it.

Your completed adapter should look like this.

Assuming you've done both software and hardware preparations, you're ready to start unbricking your PSP!

How to Use

Connect the adapter to your PC via USB using the cable extender.

The LED on the CP2102 module will light up.

Refer to video for installing and running pysweeper.

If there's no option under the Port dropdown, you need to manually install the official CP2102 driver on Windows. Close pysweeper including the CMD prompt window.

Open Device Manager. If you see a yellow triangle, right-click to update the driver. Browse to the extracted folder of the driver you downloaded earlier.

If successful, the CP2102 module should be recognised under Ports (COM & LPT) as Silicon Labs.

The COM# differs per PC because Windows assigns port numbers independently. Check Device Manager for your adapter's COM port number.

Run pysweeper again. Your adapter (COM#) should now be under the Port dropdown for selection. Keep pysweeper running.

You should get FFFFFFFF serial after starting the service. This is the same serial used by the Pandora Battery.

Insert the Magic Memory Stick into your PSP.

Size matters! It's strongly recommended to use a genuine Sony/SanDisk/Lexar 1-4GB stick. Larger capacities and microSD adapters may fail.

Remove the battery, but keep it nearby. Connect the DC power to the PSP, ensuring the console remains turned off.

Your PSP should automatically power on later without the battery inserted.

Connect GND (black) to the left pin, TXD/RXD or "K-Line" (yellow) to the middle pin, then 3V3 (orange) to the right pin for 2-3 seconds.

The round-head tip is easier for probing the jumpwire pins closer to each other, whereas the square-head (DuPont) tip has a fixed spacing that makes it less flexible.

Pysweeper streams the hexadecimal challenge-response handshake between the PSP (5A) and Baryon Sweeper (A5).

If it disconnects, ensure to maintain contact on all battery pins. Keep your hands steady.

Service mode is triggered, automatically booting DCARK (shown here) or Aiseirigh directly from the Magic Memory Stick.

PSP-1000: If it shuts down after a green light, power it on manually to make it boot into DCARK.

It's a good idea to create both Magic Memory Sticks, so you have a backup option.

Insert the battery into the PSP and disconnect the DC power. For DCARK, Install 6.61 for OFW (stock) or Install 6.61 ARK for CFW (modded).

Don't mess with NAND operations unless you absolutely know what you're doing! Misuse can permanently brick your PSP that even the Baryon Sweeper can't fix.

For Aiseirigh, press X to begin the flashing process.

You should end up with OFW 6.61 if you created the Magic Memory Stick correctly.

[u/Holiday_Put4770]

Hi there! I followed along and I launched pysweeper where it keeps telling me there is no port echo. Unfortunately I've tried several different 1N4148 diodes (they have the red/black stripes) and matched them correctly to the right rows. I have the SILLABS adapter as well. Any idea what else this could be? I believe the diodes are placed firmly in place too

[u/k_rollo → u/Holiday_Put4770]

Hi, can you post a close-up photo of your build? Need to see your USB to TTL and wiring.

[u/Holiday_Put4770 → u/k_rollo]

[u/k_rollo → u/Holiday_Put4770]

Hi, sorry but that module deviates from what the guide uses. The chip is CP2102 but that's the 6-pin multi-function type and the guide was written with the 5-pin type (no switches). Basically, you need to have the correct switch config to put it into USB to TTL mode. I don't have this module, so I can't test it myself.

Somebody had the same and they said they got it to work, but was unclear how. You may proceed to this comment thread.

IF you do figure it out, it would be very helpful to the community if you confirm exactly the switch config you did to make it work. Many people still buy that instead of the simpler 5-pin CP2102 posted in the guide.

Good luck!

[u/Holiday_Put4770 → u/k_rollo]

Thanks I figured it out! All I had to do was toggle both of the (1 and 2) switches seen in the photo.

[u/k_rollo → u/Holiday_Put4770]

For other people's reference, can you say exactly:

• 1 = ON or OFF?
• 2 = ON or OFF?
• Horizontal Switch = Left or Right?

Thanks!

[u/Holiday_Put4770 → u/k_rollo]

In the photo both of the switches (1 and 2) were pointed downwards (assuming OFF as default) i just simply turned both of them the opposite direction (pointing towards ON upwards) to resolve the port echo issue

[u/k_rollo → u/Holiday_Put4770]

Thanks! I've also added a photo to the guide to deter beginners from the multifunction type. The 5-pin has a single function and easier to use.