LM-522 Service Manual
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1.MONITOR SPECIFICATIONS
• 38 cm (15”) a-si TFT Active matrix LCD panel, 0.297mm dot pitch.
• Microprocessor controlled scan technology
• 16 factory presets , 18 new modes
• Vertical refresh rate 55Hz to 75 Hz
• Horizontal frequency 30kHz to 60kHz
• Resolutions: 640 x 480 up to 1024 x 768
• Universal power supply designed for worldwide application
• CE mark
• TCO-99
• VESA DPMS compliant
• VESA DDC compliant
2. LCD MONITOR DESCRIPTION
The LCD MONITOR will contain a main board, a power board, a keypad board and an audio board which house the flat
panel control logic, brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each
voltage.
Video signal, DDC
CCFT Drive.
PWPC Board
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