Acer AL1911 AL1911 Service Guide - Page 26

5. POWER SUPPLY (VI-902) 5.1 Electrical specification 5.1.1 AC/DC CKT: 1. Input Voltage: 100 ~ 240 ±10 Vac 2. Input Frequency: 47 ~ 63Hz 3. Input Current: 1.2 Arms Max. @ 100Vac 4. Efficiency: 75% Min. 5. Inrush Current: Cold Start Up: Less than 30A0-p Hot Start Up: Less than 42Ao-p and must be met the stress required for all concerned parts (@Ta=40 degree) 6. Hold Up Time: 20mS Min. @ full load & 100Vac input condition (@Normal working loading) 7. DC Outputs: Total Regulation*¹ Output Current Output Voltage --- MIN. TYP. MAX. +5Vdc (Vcc) +-5% 0.05A 1.4A 1.5A +13Vdc (Vinverter) +25%/-10% 0.0A 1.8A 2.2A +5V audio +-5% 0.0A 1A 1A *¹ Total Regulation includes (1) Line Regulation (2) Load Regulation 8. Ripple and Noise: Ripple is less than 1%, Noise is less than 3% l Measured at DC output terminals which are paralleled with a 10uf Ecap & a 0.1uf Cermic cap. l Band Width is limited within 20Mhz 9. Protection Function: Auto-recovery design is acceptable, but input power must be less than 5W SCP: Short circuit protection must be acted on both outputs OVP, OCP: No function OPP: Should be protected when input power consumption is within 60W ~ 80W 10. Input power consumption: Less than 1W @ minimum load (no connected with I/F board) 11. Over / Under Shoot: Less than +/- 5% of nominal value @ power line on/off 12. Dynamic Load Regulation: Less than +/- 5% * 0% ~ 100% or 100% ~ 50% load change of any DC output @ 50% duty of 1Khz 13. Turn -On Time: 1 Sec Max. 14. Rise Time & Initial Cold Start: The rise time of +5Vdc output shall be less than msec and power circuit shall start and function properly when under full load, with worst case conditions of input voltage / frequency, operating temperature. 15. Output setting voltage of +5Vdc: +5.02 ~ 5.05V 16. Leakage Current: 0.2mA @ 100Vac 17. Insulation Resistance: more than 3M ohms while withstanding a voltage of 500Vac 18. Hi-Pot: 3Kvac with using 5mA cut off current 19.AC Inlet: HUAJIE / SA-4S-066 or equivalent 26