Read Sharp XG-NV1E (serv.man18) Service Manual online
XG-NV1U
13
2. SIGNAL PROCESSING CIRCUIT
2-1. Block Diagram
TN
R
G
B
H
V
LM1204V
3-ch
video amplifier
ADC
AD9057BR
ADC
AD9057BR
ADC
AD9057BR
VS
Y
UV
H
V
SAA7110
IC1201
IX2985CE
STG
SDR AM 4M bit x 4
IX2895CE
MB81141625
IC1206
IX2960CE
SVP2
IC1001
IX2959CE
AGA
R
G
B
D
O
R
D
I
R
Y/R
Y
-1
/G
Y
+1
/B
UV
»
RGB/video input switching
In RGB mode
»
Time base expansion process
(horizontal/vertical)
»
Input frequency measurement
(horizontal/vertical)
»
Composit c input sync
separation
»
PLL control (clock frequency
division)
»
Phase adjuster circuit
In video mode
»
Time base expansion process
(horizontal/vertical)
»
Scan conversion
In RGB mode
»
Horizontal smoothing filter
»
Vertical smoothing filter
In video mode
»
YUV
→
RGB matrix
»
Horizontal smoothing filter
»
Vertical smoothing filter
»
Contour correction
»
Frame-to-frame
interpolation
»
6-phase channel
division
»
LCD panel control
signal
»
Gamma correction
»
OSD signal insertion
»
Black/blue
background
»
Video masking
»
Filter coefficient
generation
Figure 2-1.
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