CRD-BP1500U's The picture of rear (Internal type)
  1. DIGITAL AUDIO Connector
  2. ANALOG AUDIO Connector
  3. Streo Jack 3P
  4. Factory use only Pins
  5. USB 2.0 Connector
  6. Power Switch (When using DC connector 5P)
  7. DC Connector 5P
  8. DC Connector 4P