Control Board Signal (Simplified Block Diagram) - LG 50PV450 Manual

Control Board Signal (Simplified Block Diagram)

Control Board Signal (Simplified Block Diagram)
The Control Board supplies Video Signals to the TCP (Taped 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 problem appears on the screen.
DRAM DRAM
To
Y-SUS
To
Left
X-
Board
To Center To Center
X-Board
MCM IC1
IC53
3.3V to
TCPs
To Right T Ri ht
X-Board
Basic Diagram of Control Board Basic Diagram of Control Board
To
Z-
SUS
Data Buffer IC
Resistor Array
To
16 bit words
Main
RGB Data Shown
3 Buffer 3 Buffer
Outputs
per TCP
128 Lines per Buffer
384 Lines output Total
1 1 1
CONTROL BOARD
MCM MCM
IC1
The Control board also sends
3.3V to the TCPs. And the
X-Board Data Buffers
IC101, IC301, IC301
X-DRIVE BOARD
PANEL
There are 15 total TCPs.
5 per/X-Board
5760 Vertical Electrodes
1920 Total Pixels (H)
May 201 1 50PV450
( )
Plasma