Acer Aspire Z5770 Acer Aspire Z5770 and Z5771 Desktop Service Guide - Page 14
Power Supply Electrical Design Feature, Security Feature, Thermal Feature, EMI Considerations
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Power Supply Electrical Design Feature 0 135W/180W in stable mode (Acer Assign System Power Unit) EPS 2.0 (The maximum no-load power consumption for EPS 2.0 is 0.5W or less for adapters with an output power of 50W to 250W) Input:100~240V~2.4A 50~60HZ Output:19V 7.1A (135W); 19V 9.5A (180W) Security Feature 0 Lock pad Thermal Feature 0 Support Intel 65W TDP CPU plus 55W VGA and full configuration should pass thermal criteria. Adequate venting in the rear of chassis Must Follow Thermal engineering requirement v2.2 RFW in Appendix. EMI Considerations 0 Metal shielding for MB (includes VGA card), touch panel control board. Apply aluminum foil between heatsink and VESA mount. The outside jacket of converter cable, LVDS cable, DVI cable and webcam cable are applying conductive tape, and they fixed on basepan by conductive tape. The ground tab which on RJ45 has to contact with MB shielding. Gasket on MB shielding button side for increase contact area between USB connector and MB shielding. Acoustic Criteria 0 Operating mode: 35 dBA or under (under Windows OS) Idle mode: 28 dBA or under (under Windows OS), please refer to Acer test summary for details Must Follow DT ATX acoustic Engineering RFW V1.2 in Appendix Shock & Vibration Test Criteria 0 Operating frequency 5 ~ 350 Hz Acceleration 0.26 G Sweep Rate 0.5 Octave/Minute Endurance Cycle 1 Cycle (2 sweeps) Test Axis: All possible operating orientation. Test Time: 23 minutes Vibration Unpackaged test (Random) 1-8 Hardware Specifications and Configurations