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Laser Question –
I have a v4 console I acquired off ebay as a cheap fix since it looked like the only thing wrong with it was a cracked cd/dvd tray which was fixed easily enough with some super glue. I'm having a few problems with the laser though. It plays everything except for silver dvd's, even the blue ones, which I thought was kind of weird since from what i've read on here, the blue ones are usually the ones to be unreadable first. And it's not giving me DRE's either, it just pops up the screen saying to insert a PS2 disc. I tried messing with the white gear, but no go (still could read blues at every notch though but only at one spot would it see the silvers). So I scratched my head and pulled it apart and tested the DVD pot to get a reading and it's around 1300 ohms. I remember reading somewhere that they're normally between 650-1000 ohms so i was wondering if that could be the problem before I messed with it. Still don't see how it can read blues and not silvers since they're supposedly harder to read. Any thoughts? If all else fails, I can always trade it in to a game store for about $50 versus the $18 I paid for it off ebay so not a bad return all things considered. I just wanted a cheap second console so I wouldn't have to keep hauling mine with me every time I went back home.
Blue-backed discs are CDs and silver-backed discs are DVDs. Very good chance your DVD pot is shot; try the laser in another PS2 and see if you get the same results; because it could be tray issues as well since it was damaged to begin with.
Thanks, well I decided to try messing with the pot regardless. Turned it down to about 1100 ohms and almost got it to load a couple of games. It showed the ps2 logo and then struggled a bit, then went to the Browse screen saying "No Data", then the picture of a disk came up so looks like I'm on the right track. I'll try dialing it down to about 900 or 800 tomorrow cause it's getting late and i'm tired. Still wondering why it was so high to begin with. The case had been opened before and something was written next to the pots with a sharpie but the handwriting is illegible.
It is the DVD laser that goes in these 90% of the time. Very common with V4, your DVD laser lifespan is nearing the end and needs the pot to be lowered because it needs more voltage to work. Sometimes you can set it at around 800 ohms and it will work for 6 months to a year depending on use. Also if you get a pressed DVD to work it still may not be strong enough for DVD-R?s So if you plan on Modding you might want to test a DVD-R movie to see if it will read.
Don?t go below 700 ohms unless your goal is to just quickly put your laser out of its misery.
I'm at 920 ohms right now. Got it to read pressed dvd movies but not dvd-r backups. Still no luck with ps2 dvd's. It sees them, identifies them as ps2 dvd's, tries to load, then comes back saying "No Data" and the disk icon pops up again. Thanks for the advice, I won't go below 800. If all else fails, I've got an old 400-B I could try from a console whose BA5810FP cdrom IC got fried. A fuse next to it blew so I replaced it, it blew again, so I said "what the hell" and just bridged the connection. Then the magic smoke came out and now the drive won't turn on, spin, eject, nothing. Blue light still comes on and flashes on the eject/reset switch.