LG 42PG20 - Page 89

89
Plasma Fall 2008 42PG20
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 line
Resistor Array
192 Lines output Total
Diagram of Control Board
Control Board to X Board
Address Signal Flow
IC201
Control PWB Signal Block
Control PWB Signal Block
MCM
DRAM
DRAM
DRAM
EEPROM
2 Buffer
Outputs
per TCP
CONTROL PWB
X-DRIVE PWB
PANEL
96 Lines per Buffer