Question about Sony PlayStation 2 (PS2) Console

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PS2 Internal Clock Stuck

Have a PS2 version V4 and it will play cds but nothing else. Read online it could be a simple clock fix. I went and tried to change the clock and it is stuck. Could something be wrong with the battery or could something have disconnected. It isn't the laser because I don't get a disc read error, it just sits at the main screen if there is anything inside other than a cd. The orbs are all together also. Any help would be greatly appreciated. Thanks.

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Re: PS2 Internal Clock Stuck

You shouldn't use alcohol, since it can make the lens even dirtier, best use Butane lighter refill, and then wipe it with cotton

Posted on Jun 19, 2008

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Re: PS2 Internal Clock Stuck

Hi Dominicano77,

It sounds like you PS2 needs a good internal cleaning. You can replace the battery and you will still have the same problem. I have repaired over 100 Playstations like yours and never did the battery thing work or help anything but keep the Parental password set. You do not always get Disc Read Error Message. I believe your Laser has a dirty lens. Clean it wil a Cotton swab lightly dampened with Alcohol. Then Dry the lens with the dry swab. i suggest you Clean the entire PS2 of all dust and lint. The orbs should fly around in a circle, not be all grouped. This indicates your have a motherboard data flow problem.

If your not comfortable with this , you need to Click on " Repair directory" at the bottom of the screen. Then click on "Video Game Consoles" and after that pick a Repair shop.

Posted on Nov 21, 2007

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The original PS2's had a problem with the laser that read CDs and DVDs, often failing, creating problems with reading DVDs and in rare cases, CDs.

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PS2 Modded Trouble Reading DVDr's

Your DVD potentiometer pot on the back of the PS2 laser lens needs to be readjusted. Some people will try to tell you it's out of alignment but if that was the case it would not read CD's. Some people will try to tell you the laser lens is bad. If that was the case it would not read CD's. On the back of the laser lens are two potentiometer pots. In english? Two lil screws that are turnable. One controls the power of the DVD laser one controls the power of the CD laser.

That link will give you pretty lil pictures of what i'm talking about :)

In a nut shell the story goes like this folks. If your PS2 won't read certain game DVD's that are of a certain color or if it all of a sudden mysteriously fails to read games it once read but will play cd's just fine, the voltage of the laser for DVD's is not set correctly. (this does needs manual tweeking from time to time if you take your ps2 and move it around alot or if you take it over to friends houses etc etc. Basicly alot of movment in general can take this out of alignment. Even keeping the PS2 on it's side could theoreticly (just my opinion) based on gravitational pull, unbalance the potentiometer.


Step 1 identify your PS2 version:

Version 1 - SCPH-30001, 10 screws on bottom of case, serial no. starts with "U1"
Version 2 - SCPH-30001, 10 screws on bottom of case, serial no. starts with "U0"
Version 3 - SCPH-30001, 10 screws on bottom of case, serial no. starts with "U2"
Version 4 - SCPH-30000, 30001, 35001, 30002, 35002, 30003, 35003, 30004, or 35004, 8 screws on bottom of case

NOTE: Version 4 has 2 varieties of motherboard: Gap/No Gap, the difference between v4 "Gap" and v4 "No Gap" is the "Gap" is there's a spot in the center of bios chip where each side lacks solder points.

Version 5 - SCPH-30000R, 30001R, 30002R, 30003R, 30004R, or 30006R. Also, some SCPH-30000, 30001, 30002, 30003, and 30004 models have a V5/V6

NOTE: Version 5 & 6 - the difference between these two versions is one of the connectors in the corner.

Version 7 - SCPH-39000, 39001, 39002, 39003, 39004, 39008 or 37000
Version 8 - Only in Japanese consoles. SCPH-39000, or, SCPH-39006 (GH-022 BIOS 090)
Version 9 - if you have SCPH-50000, 50001, 50002, 50003, 50004, 50006, or 50007 you have a v9 or v10 board.
Version 10 - SCPH-5000x, with date code "3D" to the right and below the serial number on the back of the console. (GH-026 board)

NOTE: To know if its a v9/v10 start up PS2 with no game in it ,press triangle and check dvd driver version dvd ver 3.00 = v9 & dvd ver 3.02 = v10.

If your model # is SCPH-50000, 50001, 50002, 50003 or 50004 AND if you can find a small ''a'' under the SCPH number or have DATECODE "3C" you have a V9 PS2 main board. (GH-026 board).

If your model # is SCPH-50000, 50001, 50002, 50003 or 50004 AND if you can find DATE CODE "3D" as shown below, you have a V10 PS2 main board. (GH-026 board).

Version 12 - The new slimline PS2 consoles are referred to as PSTwo here, but elsewhere they are also known as "v12" units... their numbers are SCPH-70011/SCPH-70012, and also SCPH-70004 CB (Belgium).

Step 2 use either google or the link above. If you're using google your keyword search will be something like "ps2 v12 laser lens adjustment" *replace v12 with your ps2 model.

In either case navigate to the site and follow instructions to set the pots back to their factory default settings.

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1 Answer

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Sorry I couldn't help you more, I tried to fix my own PS2 about a year ago and ruined the motor drive for the tray, so will not touch or condone such unless your pretty good with small parts and electronics.

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