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5. Circuit principle analysis
The LCD Monitor contains a main board, an inverter/power board, keyboard which house the flat panel control
logic, brightness control logic and DDC.
PWPC board
5.1 Main board
5.1.1 Block diagram
The main board contains panel control logic, brightness control logic, DDC and DC convert DC circuit and so
on.
R
G
B
H
V
SDA
SCL
Backlight and Panel
Key board
EPROM
EPROM
Main board
Video signal and DDC
PWPC board
GM5321
OSC
28
S95E Sony
HOST computer
Backlight and Panel
Keyboard
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