Kortek corporation
24
of
99
PDP R&D Center
5. Circuit Description
☞Arrangement of Circuit Bord
☞ Description of Function for Each Bord
① SMPS (Switching Mode Power Supply):
It refers to a feeder which supplies voltage to operate of parts
mounted in each Board and which supplies voltage and current to make a panel operate.
② X-MAIN Board:
It produces a driving waveform
by switching FETs supplied from Logic
Board according to timing and supplies it to X electrode of panel via a connector.
③ Logic MAIN Board
: Logic MAIN Board produces and outputs Address Driver output signal and XY driving
signal
by processing video signal, and then supplies Address Driver output signal, which has been buffered,
to Address Driver IC(COF Module).
④ Logic Buffer(E, F):
It delivers Data signal and control signal to COF.
⑤ Y-Buffer(Upper, Lower):
It is a Board applying Scan waveform to Y terminal and it consist of Upper Board
and two Lower Boards.
8 Scan Driver ICs (ST company
’
s STV7617: 64 or 65 Output) are mounted in it.
Содержание P42SV
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