Specifications
Circuit Operation Description
5-32 Samsung Electronics
5-3-1(A) TDESCRIPTION OF LOGIC BOARD
The logic board consists of the logic main board and the buffer board. The logic main board processes video
signal, generates, and output address driver output signal as well as XY drive signal. The buffer board
stores address driver output signal, and sends the signal to the address driver IC (COF module).
5-3-1 (B) NAME AND DESCRIPTION OF MAJOR COMPONENTS OF LOGIC BOARD
Logic Board
Login Main
Function
- Video signal processing (W/L, Error diffusion, APC)
- Outputs address drive control signal, and data signal to buffer board.
- Outputs XY drive board control signal.
Buffer board
E Buffer board
F Buffer board
Sends data and control signal to left-bottom COF
Sends data and control signal to right-bottom COF










