Download EN9110

Transcript
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LCD MONITOR DESCRIPTION
The LCD monitor contains main-board, Inverter module, keyboard, audio module,
USB-hub module and External Adapter.
The main-board controls all logic signals such as panel control logic, backlight
control logic, …etc.
The Inverter module will drive the backlight of panel.
The Adapter supplies power to the LCD monitor.
Main-board Block diagram
Analog RGB
Gm5020 (U600)
DDC-chip
Frame store
DDC-chip
Data Digital RGB
DVI input
LVDS chip
PANEL
Panel Control Signal:
Phs, Pvs, PclkA/B,
Pdispe
Oscillator 24
Communication signal:
Hclk, Hfs, Hdata0
MCU (U502)
Panel Power 5V
Panel-Power Control
(U203)
Crystal 24 MHz
Keyboard module
EXTERNAL-ADAPTER
Audio module
(optional)
USB hub module
(optional)
INVERTER
module
DC 12V 5Amp
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