Installing a Stealth Chip into PlayStation Model SCPH 7502

Installing a Stealth Chip into PlayStation Model
SCPH 7502.

IMPORTANT: READ THESE INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING THIS MODIFICATION!
This document is for the Stealth Chip using Multi-Mode v2.x code only.
If you have any questions or queries about the installation described in this document call Andrew on 04-4773386 or email me at psx@fatcat.co.nz
Please read Disclaimer if you have not done so.

IDENTIFYING YOUR MODEL OF PLAYSTATION

Before dismantling your PlayStation turn it over and look at the label on the bottom of the case. On the top right corner of the label it will indicate what model you have. These instructions are for the model SCPH 7502. If this model number is different do not use this set of instructions.

MINIMUM EQUIPMENT REQUIRED

Medium size Phillips Screwdriver.
Solder Iron with a fine tip.
Side Cutters.
Time – Don't rush!!

REMOVAL OF TOP COVER.

Remove any CD from PlayStation.
Unplug all cables, controllers, memory cards etc from PlayStation.
Turn PlayStation over and remove the SIX screws.
Turn PlayStation back over and remove the top cover and cover for expansion port (if fitted), which is at the back right.

REMOVAL OF LASER DRIVE.

The Laser Drive is the black plastic unit siting on several supports located to the centre on the metal plate.

Disconnect the power cable (4 way ribbon cable) from the Laser Drive to the connector on the main board, by gently pulling from base of the connector.
Disconnect the orange ribbon cable by gently pulling the ribbon cable up from the connector on the main board.
Lift Laser Drive from the supports on the metal plate and place in a safe place.

DISCONNECTION OF CONTROLLER/MEMORY CARD HOUSING CABLE

Located at front of the PlayStation.

Firs t remove the White Plastic Retaining Clip holding the Controller and Power Supply cables in place. This is locate on the metal plate and is between the Controller Housing and Power Supply on the left hand side. The easist way to remove the clip is by squeezing it the middle and lifting up.
Disconnect the white ribbon cable by gently pulling up from the connector on the main board.

DISCONNECTION OF POWER SUPPLY CABLE.

The Power Supply is located to the left-hand side of the main board in PlayStation.

Unplug the power cable which is located at the to the bottom left of the main board.

REMOVAL OF THE METAL PLATE.

What the Laser Drive was mounted on.

Remove the FOUR screws holding the metal plate down.
Lift off the metal plate and the main board will now be exposed.

REMOVAL OF THE MAIN BOARD.

Remove the TWO screws located at the rear of the main board where the video, serial etc sockets are located that hold the main board down.
Carefully lift the main board away from the PlayStation.

REMOVING THE RF SHEILD.

The RF shield is the largtin cover on the top side of the PCB.

Carefully heat and lift up each of the EIGHT tabs with your soldering iron without splashing beads of solder over the PCB. Now lift the RF shield away from the PCB and place aside. The PCB will now be fully exposed.

INSTALLING THE STEALTH CHIP.

If you are installing a Bare Stealth Chip solder the 7 wires to the pins on chip as per table below.
Use the diagram below, locate where the Stealth Chip is to be placed. Using double sided tape stick the Stealth Chip to this position.

You can now solder the seven wires from the chip to their correct places on the main board as indicated on the diagram and table below:

Bare Stealth Chip	Assembled Stealth Chip	Connection on main board as indicated on diagram
Pin 1	RED wire	RED circle with a 1
Pin 2	No Connection	No Connection
Pin 3	GREEN wire	YELLOW circle with a 3
Pin 4	BLUE wire	YELLOW circle with a 4
Pin 5	GREEN wire	RED circle with a 5
Pin 6	BLUE wire	RED circle with a 6
Pin 7	YELLOW wire	YELLOW circle with a 7
Pin 8	BLACK wire	RED circle with a 8

DOUBLE CHECK that you have soldered the wires to correct positions on the main board and that the soldered connections are good, no bridging or blobs of solder left on the board etc

Now you are ready to re-assemble your PlayStation, simply by following the steps in reverse order from step: REMOVAL OF THE MAIN BOARD

Once you have re-assembled your Playstation, plug in all your leads and turn it on and check that it will load an Original CD and an Imported or Back up CD.

If all has gone well congratulate yourself otherwise read the Troubleshooting section.

TROUBLESHOOTING

If you identify any of the following:

CD's don't load
Laser drive not spinning
You smell something funny
Controller ports not functioning
Or anything else not right.

Turn the PlayStation off and disassemble to check the procedures have all been done correctly.

If can't find any obvious reason for the problems you are experiencing either call Andrew on 04-4773386 or email me.