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I agree, this would be a fantastic mod. Loading from SD or other storage medium, preferably with a switch of some sort to select the media source. Is anything like this being worked on at the moment? Although I have a technical background, I've not had the opportunity to study the Saturn...

Sorry to bump an old topic. I was wondering if anyone else since has experienced a similar issue and succeeded in fixing it? The other thing I did try was swapping the power supply out after 30 minutes of use for the cold one from the other unit with the same fault. In this case the Saturn...

Well I replaced all of the electrolytic capacitors on the power supply with new ones. I wasn't able to find exact component values (some of the capacitors have a slightly higher working voltage, but stated capacitance doesn't differ by more than 14uF at most). Anyway, I reinstalled the power...

Thanks for the advice. Unfortunately I don't have access to an oscilloscope; all I have is a multimeter. Now I think about it, I think you're right in that the voltage fluctuations on the 9V rail I had previously observed are only caused by the CD drive spindle motor activity. The erratic...

UPDATE: Ok, I have just acquired another Sega Saturn (Model 1) which I knew was faulty and it has the same problem as I have described above. The only difference is that there is no noise coming from the unit, but the banding/wavy lines are still present on the screen and it refuses to boot...

Thanks for the reply. I have just checked all of the capacitors and none of them appear to be bulging from the top. I also tried something else. I disconnected the CD drive assembly from the power supply via the connector coming from the mainboard after playing for about 15 minutes (enough time...

Hey. Well this problem has been persistent for quite some time now and I would like to find a solution. For the record my system is one of the early model 2 types with the oval buttons, 21-pin ribbon cable and 64-pin IC and it hasn't been modded at all. The problem seems to occur only when the...