Lcd Monitor Description - Sharp LL-153A Service Manual

15" LCD Color Monitor

2. LCD Monitor Description

The LCD MONITOR will contain a main board, a power board and a keypad 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.
PWPC board
(Include: adapter, inverter)
AC-IN
100V-240V
Monitor Block Diagram
CCFL Drive.
Keyboard
5
Flat Panel and
CCFL backlight
main board
HOST Computer
Sharp LL-153A
RS232 Connector
For white balance
adjustment in factory
mode
Video signal, DDC