Acer P221W Service Manual

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Acer P221W Service Manual Manual pdf 20 page image

Acer Service Manual5.4.4 EDID data: (For example)P223 Analog190 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 04 72 0D 00 00 00 00 001 00 00 01 03 08 2F 1E 78 EA DE 95 A3 54 4C 99 262 0F 50 54 BF EF 90 A9 40 71 4F 81 40 8B C0 95 003 95 0F 90 40 01 01 21 39 90 30 62 1A 27 40 68 B04 36 00 DA 28 11 00 00 19 00 00 00 FD 00 38 4D 1F5 54 11 00 0A 20 20 20 20 20 20 00 00 00 FF 00 306 30 30 30 30 30 30 30 30 30 30 30 0A 00 00 00 FC7 00 50 32 32 33 57 0A 20 20 20 20 20 20 20 00 EEP223 DVI0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 04 72 0D 00 00 00 00 001 00 00 01 03 80 2F 1E 78 EA DE 95 A3 54 4C 99 262 0F 50 54 BF EF 90 A9 40 71 4F 81 40 8B C0 95 003 95 0F 90 40 01 01 21 39 90 30 62 1A 27 40 68 B04 36 00 DA 28 11 00 00 19 00 00 00 FD 00 38 4D 1F5 54 11 00 0A 20 20 20 20 20 20 00 00 00 FF 00 306 30 30 30 30 30 30 30 30 30 30 30 0A 00 00 00 FC7 00 50 32 32 33 57 0A 20 20 20 20 20 20 20 00 EE6. AUDIO CHECK6.1 Audio Sound Check6.1.1.1. Apply audio source of test program, (1)voice ”LEFT” and “RIGHT” ;(2)500mVrms sine wave thatsweep from 200Hz to 20 KHz, into audio input (light blue), it should be that L speaker soundswhile “LEFT” and R speaker sounds while “RIGHT”6.1.1.2. Set the volume control (on OSD) at max (100%). It should be that no buzz or rattling sound occursover the sweep frequency range.6.2 Audio control test6.2.1.1 When OSD is not on screen, press key ” ►”or “◄ “, volume adjustment bar appears on screen andvalue will grow or decrease and sound volume of speakers should be changed.If the functional test had been passed, adjust volume bar to be at 90% before exit OSD.After inspection, set the audio control out of OSD.