AL1914 Service Guide
Page 23
The inverter board will provide thr 12V DC-power to inverter/ power board. The Adapter will drive the backlight of panel and the DC-DC conversion. Power board (include: AC/DC,inverter) - 23 - MONITOR BLOCK DIAGRAM The LCD monitor will contain an main board, an inverter/ power board, key board and internal adapter which house the flat panel control logic, brightness control logic and DDC.
The inverter board will provide thr 12V DC-power to inverter/ power board. The Adapter will drive the backlight of panel and the DC-DC conversion. Power board (include: AC/DC,inverter) - 23 - MONITOR BLOCK DIAGRAM The LCD monitor will contain an main board, an inverter/ power board, key board and internal adapter which house the flat panel control logic, brightness control logic and DDC.
AL1914 Service Guide
Page 39
...~3.3V 3.0 6.5 7.0 mA Frequency Lamp start voltage Striking Time Lamp Current Balance Efficiency Operating Life Time --@0℃ ----Vin=15V --- 40 --- 70 KHz 1400 --- --- V --- mA --- 80 --- % 50000 --- --- Backlight ON/OFF Control ON OFF Brightness Adjust Min. Luminance Output Voltage Vin=15V, Iout=7.5mA...
...~3.3V 3.0 6.5 7.0 mA Frequency Lamp start voltage Striking Time Lamp Current Balance Efficiency Operating Life Time --@0℃ ----Vin=15V --- 40 --- 70 KHz 1400 --- --- V --- mA --- 80 --- % 50000 --- --- Backlight ON/OFF Control ON OFF Brightness Adjust Min. Luminance Output Voltage Vin=15V, Iout=7.5mA...
AL1914 Service Guide
Page 40
Hr For AU Input Voltage Input Current Backlight ON/OFF Control Brightness Adjust Output Voltage Brightness Condition ----ON OFF Min. Unit 15 --- Luminance / Max. Max. S ±0.3 --- Luminance Vin=15V, Iout=7.0mA lamp current ...
Hr For AU Input Voltage Input Current Backlight ON/OFF Control Brightness Adjust Output Voltage Brightness Condition ----ON OFF Min. Unit 15 --- Luminance / Max. Max. S ±0.3 --- Luminance Vin=15V, Iout=7.0mA lamp current ...
AL1914 Service Guide
Page 44
Adjustment Range 0-100 Brightness Backlight Adjustment 0-100 Focus Clock H. Position Warm N/A Cool N/A User / Red Adjust Picture Phase to reduce 0-100 Horizontal-Line noise Adjust picture Clock to Cool. 100 User / ...
Adjustment Range 0-100 Brightness Backlight Adjustment 0-100 Focus Clock H. Position Warm N/A Cool N/A User / Red Adjust Picture Phase to reduce 0-100 Horizontal-Line noise Adjust picture Clock to Cool. 100 User / ...