AOC Vibrant VL7A9DA Service Manual page 13

Input analog RGB &
H,V,& ddc signal &
Rs232 communication
DDC-chip
Oscillator 50 mhz
DC 12V
5Amp
EXTERNAL-
ADAPTER
Main-board Block diagram
GMZAN1 (U200)
Data Digital RGB
Panel Control Signal:
Dhs, Dvs, Dclk
Communication signal:
Hclk,Hfs,Hdata0
MCU ( U302 )
Crystal 20 mhz
Keyboard module
LVDS chip (U601,
U602)
Panel Power 5V
Panel-Power Control
(U202)
INVERTER module
PANEL