Read Sharp LC-20B6E (serv.man10) Service Manual online
34
LC-20B6E
2. IC801 (VHITC90203X-1Q)
2.1. Block Diagram
Sy
n
c
.
process
Sy
n
c
.
Sepa.
Clock
Gene
rator
HV separator
an
d
sy
nch
ronous
pla
y
back block
42 MHz
Main sy
nc out
Monitor out
Analog
monitor
output
10bit D/A
ITU-R
656
Digital Y
C
bCr
8bit
Digital Y
C
bCr
16
bit
DRAM
F/E block
YCS
Color
Decode
r
Vertical
Enhancer
LTI
sub-
Contrast
Color
Decode
ACC
sub-Color
sub-TIN
T
ITU-R
656
Encoder
ITU-R
601
encoder
Clamp
10bit
A/D
YCS
3-D comb
3D-L comb
A/D block
8bit
A/D
8bit
A/D
8bit
A/D
C
Cb/Cr
R/G/B
SW
C
Cb/B
CR/R
SW
Main-
CVBS/
Y
Main-
CVBS-1/
Y
-1
Main-
CVBS-2/
Y
-2
C
Cb
Cr
R
G
B
ITU-R
656
YCb
Cr 8Bi
t
Y
C
b
C
r 16bit
SW
F/E-I/F block
Y/Cb/
C
r
RGB
YCb
Cr
Matrix
Main screen
processing
I-P
conversion
Motion
adaptive
Scaling
VG
A,
w-VGA,
XG
A
DRAM
I-P conversion and
scaling blo
ck
Subscreen
processing
Scaling
VG
A,
w-VGA,
XG
A
Selector
Main/Sub
User Contr
o
l
Contrast
Brightness
Color
TINT
Y
/C image
quality
correction
block
Sharpness
LTI/CT
I
Vertical
contour
Black
expansion
Y
-g
a
mma
compensation
Relative
phase
Relative
amplitude
YCb
Cr
RG
B
Matrix
Blending
Video
OSD/
TeleTEXT
SW
PC
TeleTEXT
OSD input
interface
C.L.U.T.
OSD block
OSD-d
a
ta/
Y
s
B/E image quality correction bloc
k
RGB image
quality
adjustment
RGB-g
amma
compensation
(C.L.U.
T.
method)
Cut off
Drive
Dither
LCD
interface
2-phase
Digital-RGB
24bit
ITU-R
656
Y
C
b
C
r8bit/
Y
C
b
C
r16bit
input
interface
Subscreen
image
quality
adjustment
sub-
contrast
Sub-
brightness
sub-color
Sub-TIN
T
Input interface
block
Digital RGB
input
interface
R/G/B
Digital-Y
CbC
r
8bit/16bit
Digital-RGB
24bit
Click on the first or last page to see other LC-20B6E (serv.man10) service manuals if exist.