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Description[edit | edit source]

KES-400A - lateral-top

KES-400A is the laser mounted in KEM-400AAA slide, in Blu-Ray Drive model BD-400 with daughterboards BMD-001, BMD-002, and BMD-003. Used in CECHAxx, CECHBxx, CECHCxx, CECHExx CECHGxx PS3 models (all retail Fat PS3's manufactured before october 2007)

It has a single can with the CD, DVD, and blu-ray laser diodes inside. The outgoing and return beams are separated by a pair of polarizing beam-splitter cubes. The only moving parts are a lens on a micro stepper motor controlled linear stage, and the objective lens.

Gallery[edit | edit source]

Most of the photographs and diagrams Courtesy of Leslie Wright and Samuel Goldwasser (lasersam) --- (

Other Sony devices with a KES-400A laser[edit | edit source]

Sony Blu-Ray Player BDP-S300

  • Notes:
    • The motors (disc spin motor and tray in/out motor) are compatible with PS3 too
    • The rest of the drive (slide, daugther board and mechanicals parts) are not compatibles with PS3