I am aware of the test mode. In the D-90, you need a wire to bridge the pin. I was not aware however of the pinout for the command signals. I might try that on a D-11 I am trying to revive (swapped the caps on the power stage/regulation and now it fails to play any CD).

My D-90s are still a work in project. The sled issue was purely mechanical. I spent a few hours polishing the brass pins for the gears with a cotton loop and some polishing compound. After that, the gears moved freely, but that did not solve the focus issue. I ended replacing every single...

Good day! I've been tinkering for a while with a few Sony and Philips PCDPs in the last months. I came across a Sony D-11 in very good cosmetic shape. The player works albeit only on batteries (with an AC adapter, it fails to detect a CD). When working on batteries, there is some skipping, and...

Hello forum! I just got my hands on a couple of Sony D-90 (D-9 for the folks in the US). Both were in very good cosmetic conditions, but both were not working. They turned on, the CD turned, but the laser did not move (the laser sled that is); pointing to the dreaded middle gear. So, I got my...

Hello kaousun! Since you are familiar with several models I am interested, I would like to know your opinion. I currently own a D-99 to which I replaced the caps (well, most of it. For some others, I haven't found suitable replacements). I use it to listen to music with my headphones, and I...