LG 50PQ30 Training Manual page 93

Control Board Signal (Simplified Block Diagram)
Control Board Signal (Simplified Block Diagram)
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.
Control Board to X Board
Address Signal Flow
This Picture shows Signal Flow Distribution to help determine the
failure depending on where the it shows on the screen.
EEPROM
To Center X-Board
MCM
IC201
DRAM
Basic Diagram of Control Board
IC201
MCM
Resistor Array
16 bit words
2 Buffer
Outputs
per TCP
128 Lines per Buffer
256 Lines output Total
93 November 2009 50PQ30 Plasma
CONTROL BOARD
X-DRIVE BOARD
PANEL
There are 16 total TCPs.
4096 Vertical Electrodes
1365 Total Pixels (H)