AL1914 Service Guide
Page 7
Table of contents Chapter 1 Monitor Feature 8 INTRODUCTION...8 ELECTRICAL REQUIREMEENTS...9 MONITOR BLOCK DIAGRAM ...23 BLOCK DIAGRAM ...24 MONITOR BOARD LAYOUT ...27 SOFTWARE FLOW CHART ...29 GENERAL INSTRUCTIONS ...30 SYSTEM INSTALLATION ...31 POWER/INVERTOR BOARD ...36 ELECTRICAL SPECIFICATION...37 INVERTER ELECTRICAL SPECIFICATION ...39 SAFETY ...41 Chapter 2 Operating Instruction 43 CONTROLS ...43 MAIN OSD MENU...44 OSD...
Table of contents Chapter 1 Monitor Feature 8 INTRODUCTION...8 ELECTRICAL REQUIREMEENTS...9 MONITOR BLOCK DIAGRAM ...23 BLOCK DIAGRAM ...24 MONITOR BOARD LAYOUT ...27 SOFTWARE FLOW CHART ...29 GENERAL INSTRUCTIONS ...30 SYSTEM INSTALLATION ...31 POWER/INVERTOR BOARD ...36 ELECTRICAL SPECIFICATION...37 INVERTER ELECTRICAL SPECIFICATION ...39 SAFETY ...41 Chapter 2 Operating Instruction 43 CONTROLS ...43 MAIN OSD MENU...44 OSD...
AL1914 Service Guide
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The Adapter will drive the backlight of panel and the DC-DC conversion. The inverter board will provide thr 12V DC-power to inverter/ power board. 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 Adapter will drive the backlight of panel and the DC-DC conversion. The inverter board will provide thr 12V DC-power to inverter/ power board. 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
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...0345-1-X-9 3.6D BLU 3P or compatible. Audio ground Ground Ground Brightness control from logical board (0V to 3.3V) ----Inverter enable signal from logical board (high active , >3V) +5Vdc supply for logical board +5Vdc supply for logical board +5Vdc supply for logical board - 36 - It supplies the following outputs : 1). 5Vdc: Logic power. 2). 5Vaudio...±10%Vac Input current: 1.2Amax. Output Connector & Pin Assignment: 1. The connecter was pitch 2.0mm, cable length was 125mm. POWER/Inverter Board Description This specification defined the performance and characteristic of power...
...0345-1-X-9 3.6D BLU 3P or compatible. Audio ground Ground Ground Brightness control from logical board (0V to 3.3V) ----Inverter enable signal from logical board (high active , >3V) +5Vdc supply for logical board +5Vdc supply for logical board +5Vdc supply for logical board - 36 - It supplies the following outputs : 1). 5Vdc: Logic power. 2). 5Vaudio...±10%Vac Input current: 1.2Amax. Output Connector & Pin Assignment: 1. The connecter was pitch 2.0mm, cable length was 125mm. POWER/Inverter Board Description This specification defined the performance and characteristic of power...