Acer A231H Service Guide - Page 15

Acer Acer -LCD-A231H 4.8 Audio output SPEC(For Audio Module) Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.2 1.5 1.8 THD+N = 10%pAT 1KHz 1Vrms Output impedance (Ω) 3.4 4 4.6 AT 1KHz 1Vrms Total harmonic distortion plus noise --- --- 10% PoÙ 2.0W Note: Signal to noise ratio (dB) 40 --- --- THD+NÙ 5% PWM frequency (KHz) 200 250 300 The low pass RC Filter (R=100Ω / C=0.047uF) for Class-D Output Power and THD+N Measurement 4.9 DDC data EDID File Format : VESA's EDID Standard Version #3, Revision #0, EDID Structure : Version #1, Revision #3. EDID Data Table : See the attached table (for example)