Home Up 1002 Series New 1002 Series Old 55x2 Series 7002 Series 750x Series 9002 Series PSOne/102 Series Instructions Instructions [750x] Instructions [PSOne/102]




DISCLAIMER NOTICE – Please read this before installing your chip


This modchip is not designed as an official product to be used with the Sony Playstation. Playstation is a registered trademark of Sony Computer Entertainment. The modchip is a microcontroller that has been programmed with specially written code/software that allows it to function as a modchip. The software in the chip is also not licensed by Sony Computer Entertainment.

This modchip is sold to you on the understanding that

I and my re-sellers will not be held responsible for any damage to your Sony Playstation caused by fitting this chip.
I and my re-sellers will not be held responsible for any misuse of this chip.
You understand that by fitting this chip, it will invalidate any warranty you have on your Playstation.

If you continue on with this installation then you have agreed to all the terms above.



Chip wiring
1 = Red
5 = Yellow
6 = Green
8 = Black
[The Blue & White wires are not used.]

You will need a soldering iron with a very fine tip, not one that’s the size of a spade as there are some fine soldering points. If you are not too good with a soldering iron then I suggest you do not fit this chip yourself.

The model of the PSX is printed on the bottom of the PSX [SCPH-1002/55x2/700x]. If you have a 1002 model decide which board you have The newer 1002 series has two metallic contacts below and to the left of pin 5 on the diagrams attached, these metallic contacts are not present on the earlier 1002 series.

1. Removal of the Playstation cover.

Disconnect the power to your Playstation. Remove the screws from underneath. Turn right side up and lift the top cover off.

2. Removal of the laser.

[Do this very carefully, if you damage the cables you will need a new laser unit – these do not come cheap!]

1002 Models

Disconnect the ribbon cable by gently loosening straight up at each end on the black connector. You will feel it click when it is in the released position. The ribbon cable is now free and can be removed by lifting gently straight out of the connector.

55x2/700x Models

Pull the ribbon cable straight up gently by the white card bit.

Disconnect the ribbon cable connecting the controller unit to the main board.

All Models

Gently disconnect the grey wires by pulling straight up.

Lift off the laser unit once all wires are free.

3. Removal of the controller unit [1002 Models Only].

Remove the 5 screws holding the thin metal bracket in place. Lift off the bracket. Disconnect the ribbon cable by pulling straight up.

4. Removal of the heavy bracket.

Remove the screws holding the bracket in place. Lift off the bracket peeling back any copper screening. [There is no copper screening on the 55x2/700x].

5. Removal of the circuit board [1002/55x2 MODELS ONLY].

Remove the screws along the top edge. Then lift off the circuit board.

6. Prepare chip & board.

Tin the ends of the wires and the points on the board to be soldered.

7. Fit chip to board.

Once you have decided which machine and board you have solder the wires to your board using the points shown in the diagrams.

8. Finish off.

Once you have soldered all the points double check to make sure you have not soldered between any 2 points that were close together, and to see all the wires match the pin numbers Use the sticky pad to attach the chip to the board/assembly. Now you can re-assemble your Playstation making sure not to trap any of the wires going to the chip. If you have installed this kit correctly then your Playstation is converted.

Additional Hints

Never position the chip near the power supply. The best place is underneath the main board or on top of the metal bracket [700x].

When playing imports, you need to use an RGB SCART LEAD between your Playstation and TV or you will only be able to play the import games in black and white – your TV screen may even roll!

Newer 55x2/700x Playstations

These have new boards but are as easy to convert. TAKE GREAT CARE when soldering, as some of the contacts are very fine. On 700x models take great care with pin 6, you are soldering directly top the chip so try not to overheat the chip.


It seems that when a machine with a chip in it exhibits some sort of problem or perceived deficiency, the mod chip is the first thing everyone blames. Folks, in 99% of the cases THE CHIP IS NOT THE PROBLEM! Here is a breakdown of common problems and their likely causes.

Machine comes up with CD menu or "Insert CD-ROM" screen

This is almost always an indicator that a wiring mistake was made. It is very important to have clean, well-formed solder connections to the board wiring points and the chip. If any of them are wrong or are poorly soldered, then the chip is not going to function properly. The chip is not the problem – the installation is. Double-check and re-solder suspect connections. Make sure wires don’t get trapped under screws. Make sure the wires don’t short against other circuit points.

My backups boot, but my originals do not (very rare)

This is almost certainly a wiring error. The only way this can happen is if the mod chip signals are garbled by poor wiring or missing or improper wiring. The difference between CD-R and masked production discs in regard to booting is large enough to allow for this uncommon problem.

Imported games appear in black and white on TV

This is a common question, although the chips allow you to play the imported game, you need an RGB SCART LEAD for it to play in colour.


These suffer from a laser head problem that causes skipping, and often fail to load games. This usually occurs after around 30 minutes of playing. This is caused by an overheating problem due to the proximity of the laser head to the power supply. This is not a fault of the chip. Whilst it is possible to replace the laser head, this only delays the inevitable. If your PSX suffers from intermittent reading problems, it may be best to sell it now and replace it with a new unit. No models after the 1002 suffer from this problem as the laser heads were moved away from the power supply.



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