LG 50PJ340 Training Manual - Page 89

Control Board Signal (Simplified Block Diagram), Control Board Signal, Simplified Block Diagram - problems

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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. Basic Diagram of Control Board IC201 MCM CONTROL BOARD DRAM EEPROM MCM IC201 To Center X-Board To Center X-Board Resistor Array X-DRIVE BOARD 16 bit words PANEL 2 Buffer Outputs per TCP 128 Lines per Buffer 256 Lines output Total There are 16 total TCPs. 4096 Vertical Electrodes 4986 (RGB) / 3 = 1365 Total Pixels (H) 89 July 2010 50PJ350 Plasma

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89
July 2010
50PJ350
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 16 total TCPs.
4096 Vertical Electrodes
4986 (RGB) / 3 =
1365 Total Pixels (H)
DRAM
To Center
X-Board
To Center
X-Board