31
W / LED, No Backlight
Check 12V input
NG
OK
Check adapter or MB
Check ON/OFF
Check Interface board
NG
OK
Check IC801
NG
OK
Change ON/OFF
NG
OK
Change IC801
Check the input of Q805, Q806
NG
Check the output of PT802
Check connector & lamp
OK
NG
Change PT802
OK
Check IC801 PIN1.15 have the output of square wave at short time
Change Q805, Q806,D801,D802,D803,Q804
Summary of Contents for AT1930
Page 1: ...1 Acer AT2230 AT2231 Service Guide ...
Page 7: ...7 Monitor Features General Specifications Chapter 1 ...
Page 10: ...10 Factory Preset Display Modes Analog RGB Signal Timing ...
Page 12: ...12 Optical Specifications Test Conditions Optical Specifications ...
Page 13: ...13 Connecting Peripherals Front panel controls Chapter 2 ...
Page 16: ...16 Using the OSD Menus ...
Page 17: ...17 ...
Page 18: ...18 ...
Page 19: ...19 ...
Page 20: ...20 ...
Page 21: ...21 ...
Page 35: ...35 4 Click the button Read to load the software file and then click the Auto ...
Page 36: ...36 5 When the picture showed as below we can click the run to finish to upgrading ...
Page 42: ...42 5 Main Board 6 Key Board 7 IR Board 8 Speaker ...
Page 43: ...43 EDID Data DDC DATA for D Sub Input ...
Page 44: ...44 PCB Layout Main Board Chapter 9 ...
Page 45: ...45 ...
Page 46: ...46 Power Board ...
Page 47: ...47 Key Board IR board ...