Pcb Parts And Number - Prima PS-42D8 B Service Manual

* Power supply board: to supply power for the screen, other functional modules on the screen,
our own main board, and video frequency processing board.
* X driving board: to produce and provide driving signal for X electrode according to the time
sequence signal sent from logic board.
* Y driving board: to produce and provide driving signal for Y electrode according to the time
sequence signal sent from logic board.
*Logic board: to process the image signal sent from the main board, to produce addressing
signal and to provide driving signal for X and Y driving boards.
*Logic BUFFER board: To convert the data signal and control signal sent from the logic board
into the signals required by COF
*Y BUFFER board: to transmit the scanning signal from the Y driving board to the screen, which
is divided into upper and lower parts.
*COF:to convert the signal sent from the logic BUFFER board into the address signal used by
the screen.
Singal processor boards:
Main board

PCB parts and number

Switch parts
video frequency processor boards
video frequency boards parts
video frequency boards
19