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PlayStation SCPH-900x
Disassembly and Modchip installation
PlayStation / PSone Stealth Modchip
modchip.org has compiled this info so that you may be better informed about our products and the installation. If you have any questions please contact at first our Forum.


Here are some extremely detailed instructions that have been designed to help you modify your Playstation as quick as possible. Take your time and read all of the following instructions in full before beginning your install.

In order to begin your modification you will need the following:
  1. A low watt soldering iron (15 to 30 watt) with a fine tip and solder (we send you super thin solder, use it!)
  2. A Philips head screwdriver
  3. Electrical tape

Now that you have the materials we are ready to modify the Playstation!

1. Disconnect all power and A/V cords from your PlayStation and ensure that all devices including memory cards, controllers and/or compact discs are removed from the system. Turn the unit upside-down and remove the black case screws. Store screws in container and turn the unit right side up. Slowly remove the top half of the console case and set it aside.
   
2. The CD laser assembly is to be removed next. Begin by locating the ribbon cable connecting the lens assembly to the mainboard. Firmly grip the large white base that is attached to the mainboard while gently pulling upward on the ribbon cable to remove it from the base connector. Be very careful with this cable as it extremely fragile. Once the ribbon cable is free, disconnect the remaining connecting cables from the board. If the connectors are plugged in very tight, gently rock them left and right until they are unplugged from their base.

Remember: always grip the connecting base before removing the plug from it, never pull connectors by the wires.
   
3. Once all connectors are cleared, gently remove the lens assembly. To do this gently grasp either side and lift it straight up, off of the mounting posts. Be careful not to touch the exposed glass lens or drop the assembly. Set the CD laser assembly aside.  

   
4. Next, remove the brass colored screws that secure the heavy metal plate covering the mainboard. Gently lift this steel plate from the system and set aside.



CAUTION: Before handling the circuit board touch a piece of grounded metal to remove any static charge from your body. These components are static sensitive and care must be taken.
   
5. Remove the screws securing the rear edge of the circuit board as shown below and gently lift it from the case. Set the case aside.

   
6. The ModChip is installed on the top of the mainboard. Using the provided picture below, compare it to the board to identify the area in which the chip is to be installed.

   
7. The ModChip is now ready to be soldered (see the PS Stealth Modchip Installation Diagram) onto the mainboard. To start you should have a fine tip, low temperature soldering iron (15 watt is ideal). Using the silver solder provided, quickly touch the iron to the solder and form a small ball of solder on the iron tip. Place the exposed ModChip wire end on the proper solder pad and quickly touch the iron tip to the same pad. The solder will now bond the wire to the contact pad. To complete the wiring, attach the other remaining wires to the indicated soldering pads (color coded) using the same procedure as above.
   
8. Check all of your solder points again for accuracy and independence using a multimeter. This means that each of your solder points is independent from all adjacent points on the mainboard (no current flowing from one point to another due to an excess solder bridge). Also ensure that any of the wires which are to be soldered onto SMT resistor packs on the mainboard (small flat rectangular pieces) are soldered onto the end of the pack as indicated in the installation diagram and not on top.  You can now tape the ModChip on the board in a clear area where it will not be damaged.

After double-checking all connections, follow the above steps in reverse order to re-assemble the PlayStation.

Once you have completely re-assembled the unit, plug in your power source and video outputs. Power up the PlayStation. Test the unit FIRST with an original game. If your system boots successfully with your original disc then your install is correct and complete!

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Thursday 09 February, 2012