NEC Versa P520 Disassembly Manual Page 19
Removing the Audio board
1. Remove the RTC battery, microphone and connector module.
2. Remove the top cover.
3. Disconnect the speaker connector.
4. Unscrew the one screw retaining the audio board as shown in the picture below.
Fig. 32: Removing the audio board screw and disconnecting the speakers
4. Remove the Audio board and free up the front audio panel.
Fig. 33: Removing the audio board and the front audio panel
Pay attention on the audio board the charger board is still connected!
M2x4