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v12 comsoft laser spindle problems
v12 comsoft laser spindle problems –
I had a customer with a v12 infinity premod return it with a dead laser. When we installed the chip the only fix out was the diode fix and so only that was applied. I've since done many v12s using both the summ0ne and comsoft fixes without any problems. I replaced the laser and installed the summ0ne and comsoft fix.
Now the problem is only original dvds and dvd-r will boot. If you put in a CD or CD-R and power on the console the spindle does a "stop, start, stop, start" loop for about 5 times and then the PIC powes off the ps2. If you put in a CD or CD-R after the console has started, as soon as it tries to read the disc, the comsoft fix kicks in and shuts off the console. I have checked all fuses and they are fine. I read a thread saying to replace the 30K resistors on the laser coils regardless if they read correctly or not, so I did that but I still get the same results. I get the same results if I disable the chip or unsolder the power and gnd wires.
Install is very clean.
I can't seem to figure out why dvds boot fine but cds won't.
I have not tried to uninstall the comsoft fix as I'm afraid the laser will die on me.
Any help would be great.
I have same prob with 560 ohm resistor after change dead laser
First measure focus and tracking coils.If u have a value lost please change laser again.
Then leave summone fix (mean install only comsoft fix)and look how boot cd or cd-r.
Third you maybe change different laser (pvr802 and big laser very different)