The Control Board supplies Video Signals to the TCP (Tape Carrier Package) ICs.
Control Board Signal (Simplified Block Diagram)
If there is a bar defect on the screen, it could be a Control Board problem.
Basic Diagram of Control Board
Control Board to X Board
This Picture shows Signal Flow Distribution to help determine the
failure depending on where the it shows on the screen.
Address Signal Flow
IC702
CONTROL BOARD
IC101
Serial
Flash
16 bit words
Resistor Array
-DRIVE BOARD
PANEL
IC702
MCM
256 Lines output Total
Outputs
per TCP
128 Lines per Buffer
43072 Vertical Electrodes
43072 (RGB) / 3 =
1024 Total Pixels (H)
To Left
X-Board
To Right
X-Board
To 6 T C Ps To 6 T C Ps
June 2011 42PW350 Plasma
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