89
August 2009 Plasma 50PS80
Basic Diagram of Control Board
To X-Drive
Left Board
To X-Drive
Right Board
To X-Drive
Center Board
This Picture shows Signal Flow Distribution to help determine the
failure depending on where the problem 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
256 Lines output Total
Control Board to X Board
Address Signal Flow
IC1
Control PWB Signal Block
Control PWB Signal Block
MCM
IC1
DRAM
2 Buffers
per TCP
CONTROL PWB
X-DRIVE PWB
PANEL
128 Lines per Buffer
EEPROM
23 Total TCPs
5888 Line Outputs
RGB per/Pixel
5888 / 3 = 1962
1920 actual
(42 pin outputs not used)
Resistor Array
TCP
