Acer PD525 PD525 Service Guide - Page 65

No. Item 7 Blemish (Bright) 8 Blemish (Dark) 9 Boundary 10 Video 11 HDTV 12 Audio 13 Reset All Chapter 4 Description Test Signal : 1024 x 768 @ 75Hz Test Pattern : Full black and Gray 16 patterns - Please check and ensure the unit is under the spec. (The bright blemish should not be able to see under Gray 16 pattern) - If not, please return the unit to repair area. Test Signal : 1024 x 768 @ 75Hz Test Pattern : Full white and Blue 60 patterns - Please check and ensure the unit is under the spec. (The dark blemish should not be able to see under Blue 60 pattern) - If not, please return the unit to repair area. Test Signal : 1024 x 768 @ 75Hz Test Pattern : Boundary frame pattern - Please check and ensure the unit is under the spec. (The horizontal and vertical position of image should be adjustable to be the screen frame.) - If not, please return the unit to repair area. Test Signal : Composite video, S-Video and Component video Test Pattern : NTSC / PAL / SECAM - Please check and ensure the unit can display the video signal without color abnormal or image abnormal issue. - If not, please return the unit to repair area. Test Signal : HDTV signal Test Pattern : 480i, 480p, 720p, 1080i - Please check and ensure the unit can display the HDTV signal without color abnormal or image abnormal issue. - If not, please return the unit to repair area. - Please check and ensure the function of audio is work as well. (Volume, Treble, Bass, Mute) - If not, please return the unit to repair area. After final QC step, we have to erase all saved change again and restore the factory defaults.. Please select and enter "Factory Reset" function of "Service Mode" to ensure the function is work as well. This action will allow you erase all end-user's settings and restore the original factory setting. 60