88
August 2010 42PJ350 Plasma
This Picture shows Signal Flow Distribution to help determine the
failure depending on where the it shows on the screen.
The Control Board supplies Video Signals to the TCP (Tape Carrier Package) ICs.
If there is a bar defect on the screen, it could be a Control Board problem.
MCM
16 bit words
Resistor Array
256 Lines output Total
Basic Diagram of Control Board
Control Board to X Board
Address Signal Flow
IC201
Control Board Signal (Simplified Block Diagram)
Control Board Signal (Simplified Block Diagram)
MCM
IC201
2 Buffer
Outputs
per TCP
CONTROL BOARD
X-DRIVE BOARD
PANEL
128 Lines per Buffer
EEPROM
There are 12 total TCPs.
43072 Vertical Electrodes
43072 (RGB) / 3 =
1024 Total Pixels (H)
To Left
X-Board
To Right
X-Board
To 6 TCPs To 6 TCPs