Data Sheet Of Important Ic's - Toshiba 20VL44G Service Manual

Tft- lcd tv
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GENESIS
The gm5221 is an LCD TV controller supporting resolutions up to SXGA (1280x1024). The gm5221
leverages Genesis patented advanced image-processing technology as well as a proven integrated
ADC/PLL and an Ultra-Reliable DVI™ compliant digital receiver to provide excellent image quality.
gm5221 also integrates a microcontroller, an OSD controller, advanced color management and dual
LVDS transmitters.
1.1 gm5221 System Design Example
Figure 1 below shows a typical dual interface LCD TV system based on the gm5221. Designs based on
the gm5221 have reduced system cost, simplified hardware and firmware design and increased reliability
because only a minimal number of components are required in the system.
TUNER
PACK
C
V
B
S
DECODER
S
V
I
D
E
O
V CHIP
Y
Pb
Pr
V
G
A
D
V
I
GM5221
VIDEO
M
U
X
AUDIO
PROCESSOR
Figure 1.
gm5221 System Design Example
LCD TV CONTROLLER
KEY BOARD
IR
gm5221
EEPROM
AUDIO
AMPL
L
C
D
D
I
S
P
L
A
Y

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