Ps1 not reading discs

Discussion in 'Repair, Restoration, Conservation and Preservation' started by Billden55, Oct 8, 2014.

  1. Billden55

    Billden55 Robust Member

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    So my friend gave me a broken ps1 in the trade and I knew it was broken. It is the oldest model of the ps1 and I know they had trouble because of the laser was so close to the power supply. What do I have to do to fix it. Replace the Laser? Adjust it?
     
  2. Segata Sanshiro

    Segata Sanshiro speedlolita

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  3. Lionheart

    Lionheart Robust Member

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    Turning it upside down also helps for a quick fix (seriously), I used mine upside down for a good 10 years lol
     
  4. Billden55

    Billden55 Robust Member

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    lol yea I know that but I'm going to trade it for some other console at this inside flea market place and I don't want to lie about it working lol
     
  5. FireAza

    FireAza Shake! Shake!

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    If you've got one of the older PS1s that have the laser wear issue (does it work if you flip it upside down?) you can simply replace the laser assembly with one from a later model which corrected this issue. The laser used in the PSone is suppose to the best (though you'll need to swap over the plastic cover so it'll go into your model).
     
    Last edited: Oct 8, 2014
  6. Billden55

    Billden55 Robust Member

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    Is it easy to take a newer model ps1 laser assembly and put it in the old ps1?
     
  7. Segata Sanshiro

    Segata Sanshiro speedlolita

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    Like how you've completely ignored my link.
     
  8. FireAza

    FireAza Shake! Shake!

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    Segata's link already mentioned it, but yeah, it's dead easy. Simple open up the console, unplug the cables from the old drive, take it out, and plug the cables from the new drive in. If you're using a PSone drive, you'll need to swap the plastic
    covers over, but this is like two screws.

    Best confirm it is the laser though, see if it works when it's upside down.
     
    Last edited: Oct 9, 2014
  9. Billden55

    Billden55 Robust Member

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    I will test it when I get home. Is it suppose to work upside down. What happens if it's not working.
     
  10. Billden55

    Billden55 Robust Member

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    Whoops, but I am literally herp derp in doing this stuff. Like I can take apart a console and maybe do like soldering stuff but like that's it. This would be an awesome thing taking apart a console fixing it then reselling it. Talk about bank.
     
  11. horstenss

    horstenss Active Member

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    PSX consoles are literally worth less than bricks :p
     
  12. FireAza

    FireAza Shake! Shake!

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    The older PS1s suffer from an issue where the plastic sleds that the laser slides along gets warped from being so close to the PSU. When you flip the console upside down, gravity takes the weight off the laser mechanism and the laser is able to move. If this makes it work, you know the console is fine and is just suffering from the warping I mentioned. Simply swap out the laser assembly with one from a newer model and you're done. No soldering needed!
     
  13. Billden55

    Billden55 Robust Member

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  14. Billden55

    Billden55 Robust Member

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    Also, if you need to switch the plastic wouldn't the ports on the back get in the way.
     
  15. Billden55

    Billden55 Robust Member

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    oh nvm i got it now.
     
  16. LeHaM

    LeHaM Site Soldier

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    You can pick up new drive assemblies on eBay, aliexpress for about $10
     
  17. Mord.Fustang

    Mord.Fustang My goodness, it's nipley out!

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    I dealt with a PS1 that hadn't been used for like 10 years... it wasn't reading discs. Upon further investigation one of the gears had popped up maybe from being moved around a bunch of times in storage and was preventing all the gears from spinning. All I had to do was pop it back in and it worked. After that, I re-greased the gears with some white lithium grease. Of course, if yours is spinning then it's probably not that... but just throwing the info out there.
     
    Last edited: Oct 19, 2014
  18. Billden55

    Billden55 Robust Member

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    Me and my dad was talking about this and he was going to adjust the laser but the ps1 has to be on but a website said that Ps1 has 400V in it. Is that true, he said he doesnt wanna die.
     
  19. Fuseki

    Fuseki Newly Registered

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    I swapped out my SCPH-1001 laser with a laser from a fried SCPH-9001. I had to snap off a couple of the bottom tabs and cut off part of the top of the laser assembly to get it to fit in the old case, but it works great.
     
  20. TriMesh

    TriMesh Site Supporter 2013-2017

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    There are high voltages in a PSX (not 400V, but enough to hurt you) - but they are only in a very specific part of the unit, basically the rear section of the power supply board nearest the socket for the power cord.

    This photo shows you the part to avoid:
    http://wiki.assemblergames.com/lib/...&h=375&tok=eb8bca&media=wiki:sony:psx_psu.jpg

    On the main PCB, the highest voltage is about 8V. If you have the white PSone, then there are no high voltages inside the unit at all.
     
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