Circuit Principle Analysis; Main Board; Block Diagram - Sony HS75 Service Manual

5. Circuit principle analysis

The LCD Monitor contains a main board, an inverter/power board, key board 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
26
HS75 Sony
HOST computer
Backlight and Panel
Key board