Acer H236HL Acer H236HL Monitor Service Guide - Page 6

4 1.2 General Requirements: 1.2.1 Test Condition: All tests shall be performed under the following conditions, unless otherwise specified. Warm up time AC supply voltage Ambient temperature Humidity Display mode e-color mode Contrast control Color temperature Brightness control Analog Input signal Picture position and size Viewing angle Viewing distance Ambient illumination > 30 min. 230V± 5%, 50± 3 Hz 20C  5C 65%  20% 1920 x 1080, 60 Hz, Pixel Clock：148.5MHZ,all white Set to "User" mode Set to The value under user mode, which allows that the brightest two of 32 linear distributed gray-scales (0～ 700mv) can be distinguished. 6500°K The value under user mode 700 mVss Factory preset value, 90 ° H and V 40 cm for LCD performance, 20 cm for LCD failures Dark room (< 1 cd/m2) 1.2.2 Test Equipment: CHROMA 6630. 1.3 Electrical: This section describes the electrical requirement of the monitor. Below is the block diagram. Led drive Flat Panel and LED backlight Main Board Speaker 19V Adapter Key Board AC-IN 100V-240V HOST Computer Video signal, DDC