Playstation 2 / PS2 V9 PS2 V10 LA chip burnout prevention
It is a well documented fact that the latest v9 and v10 & v12 slimline machines (SCPH50002 /SCPH70002 /SCPH75002) suffer from a major problem. The LA chip has a tendency to die. After it dies, the only solution to get your machine working again is to replace the chip with an original LA6508 or a device called LA6508 RII. However, in both cases, it is quite a hard soldering job. (much harder than to install a chip). The following can be done to reduce the chances of the LA 6508 chip dying. For slimline version 12 consoles a small laser protection circuit board can be installed for the same result - to help regulate voltage to the PS2 Laser and prevent spikes.
Playstation 2 Modchip List " All Models " Click Here
This PS2 Laserfix or PS2 Romeo Fix / Romeo Mod procedure should be done whether or not your console has a mod chip /
The prevention - by far - easier than the cure:
1) Carefully lift Pin17 of the LA6508 Chip,
2) Ensure no solder links it to the pad it was just lifted from,
3) Link Pin17 to 5 volts with one connecting wire - as demonstrated in the picture below.
Pin17 was factory connected to 12v which is suspected to be the cause of dead V9 & V10's when scratched or poor media is played in the playstation.
Playstation 2 ( V9 ) Version 9 & PS2 ( V10 ) Version 10 - LA Chip Location
Lift Pin 17 ( Marked in Red ) - Off the Main Board end Gently with Fine Pin
Connect Pin 17 ( Red ) - With Wire to any 5 Volt Point on M/B with 1 Wire
Make sure you have a solid Connection and Romeo Mod is Done !!
SCPH 50002 SCPH 50003 SCPH 50004 SCPH 50001 SCPH 50000 V9 Version 9 5 volt points - PS2 Romeo Mod
SCPH 50002 SCPH 50003 SCPH 50004 SCPH 50001 SCPH 50000 V10 Version 10 5 volt points - PS2 Romeo Mod
Playstation 2 Slim / PS2 V12 V13 LA chip burnout prevention
The following can be done to reduce the chances of the LA 6508 chip dying. For slimline version 12 consoles a small laser protection circuit board called a Laserfix can be installed for the same result - to help regulate voltage to the PS2 Laser and prevent spikes. PS2 mod chips like Modbo 4.0 come packaged with a small extra circuit board for this purpose - installation of a version 12 / Version 13 PS2 laser fix below.
Cleaning & Adjusting the PS2 Laser:
Before assuming your PS2 is suffering the dreaded V9 syndrome, first try to clean the laser lens, as this is known to build up a thin layer of film which can reduce the laser's ability to read data from CD's and DVD's (especially if you smoke, or the station is stored in a dusty environment or on carpet).
Playstation 2 Laser Eye Plastic Glass cover can also Fog due to heat over long hours of usage in this case the small eye cover must be replaced.
Adjusting Lens angle (Part 1) - On V9 & 10 playstation laser assemblies there are two visible white cogs that enable you to adjust the angle or height of the sled as the lens moves to the outer edge of the disk. This adjustment is also known as the Radial Skew. As the laser gets old or worn - it may help to adjust this to bring the lens closer to the disk.
To perform this adjustment:
1) Eject the tray so that it is out of the way.
2) Mark the original position of the cogs with a black marker pen.
3) To raise the sled adjust anti-clockwise
4) Only adjust one or two clicks at a time
5) After each adjustment test with both CD and DVD media.
6) Repeat until desired improvement occurs.
7) If no improvement - set back to original position.
Adjusting Lens angle (Part 2) - Known as Azimuth or Tangential Skew adjusting. This will adjust the angle the lens sits at on the sled. This should only need adjusting when replacing lens units - even then, the factory set angle should be fine!
To perform this adjustment:
1) Mark the original position of the screw with a white mark.
2) To raise the lens on the left adjust clockwise (screw in)
3) To lower the lens adjust anti-clockwise (screw out)
4) Only adjust fractions of a turn at a time.
5) After each adjustment test with both CD and DVD media.
6) Repeat until desired improvement occurs.
7) If no improvement - set back to original position.
Adjusting the pots - On all stations even ones of the same model number, the CD adjustment pot and the DVD pot can vary in factory set values, so always measure the original settings before adjusting the pots. It is not recommended to reduce the laser biasing by more than 10%, as this can reduce the life of the laser diode. Adjust your factory set laser biasing at YOUR OWN RISK.
Playstation 2 V9 laser
Playstation 2 V10 laser
On All stations, depending on which media the laser struggles with:
1) Carefully adjust the CD (or DVD) pot down by 50 to 100 ohms at a time,
2) Test a backed-up CD (or DVD) that is known to work on other stations,
3) If it does not play at all or skips, then continue to adjust the pot.
4) Do not reduce the pot by more than 20%.
In General original settings can be around:
V9 stations - CD = 1200 to 1400, DVD = 1200 to 1400
On worn lasers you will find more often than not - settings of around 10 to 20% less than factory setting are required to guarantee reliable booting. Although this may reduce the life of the laser - at least you will get (depending on the required extent of adjustment) an extra 6 to 12+ months life out of the worn laser before being forced to buy a new one. So a simple answer to all those people who warn against adjusting the laser pots is - "well a working laser that will die some time in the future is far better than one that does not work at all now!"
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