Acer AL1911 AL1911 Service Guide - Page 28

5.2.3 Reliability Requirements: 1. MTBF: 60,000 hours 2. Abnormal protections: Should meet NMV's requirement 3. Operational Environment: 0 ~ 40 degC, Humidity: 20 ~ 80% 5.2.4 Safety, EMI & Ergonomic Requirements: 1. Safety: UL /C-UL, TUV/GS, CE 2. EMI: FCC Class B, CE, VCCI Class B, BSMI 6. VM-902 AUDIO BOARD 6.1 Description The Vm-906 audio board is design to amplify audio signals. 6.2 Connector Locations 6.2.1 Connector type for VM-906 Location Type J1 4500-02 J2 96113-1113 J3 SCJ-0345-1-X-S Maker E&T E&T SC 6.2.2 6.2.3 Connector pin Assignment J1 DC +5V Input Number of pins 2 11 3 Pin No Pin 1 Pin 2 Signal +5V GND Comment From Power board +5V output GND 28