Sanyo LCD-20CA1Z, Service Manual

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IC Block Diagrams
-5-
IC601 < Digital Decoder with 3D YC.> TC90A92AFG
27 M
10bit ADC
CVBS/Y
Sync Sep.
Clamp
MPX
C
Cb
Cr
reference
clock
3D comb
3 line
comb
Motion
Det.
ID1
S/N detection
CCD slice
42M
X'tal
Vertical enhance
delay adjust
contrast adust
ACC
color decord
TINT adjust
Color adjust
ITU-R656
encode
IIC-BUS
SCL SDA
656/601
Format
HD/VD
Timing
LTI
Clock
Gene.
D/A
X 8
SW
27M
4fsc
27M
8bit ADC
Digital I/F
4M
DRAM
IC701 < I/P Converter Screen Controller > TC6398AF
IN 2
Video
I/ F
R GB
to
YC bC r
Color A djust.
H / V Sc aling
IP- C onv.
H / V Filt er
O ut line-
sharpening
YC bC r
to
R GB
YC bC r
to
R GB
S DRAM(32 or 64Mbit)
B lending
Posit ioning
- correct .
µ - Com
TFT- LCD
Dat a 2 4bit
S D R A M C
LC D
I/ F
I2C- I/ F
V IN2
RGB through mode
D ata 16bit
CLK
V D
H D
FIELD
IN 1
Video
I/ F
D ata 24bit
CLK
V D
H D
FIELD
V IN1
OSD
I/ F
Dat a 8 bit
CLK
V D
H D
VIN3
(OSD)
RGB
YC bC r
YC bC r
YC bC r
RGB
CKE CLK
DQM-4bit
WEN
CASN
RASN
CSN
DQ-32bit
BS-2bit A-11bit
C LKI
C LKO
ENA B
VD
HD
VO UT_D ISP
T C6398AF / XB
SDA SCL
C lock Gen.
( P LL )
SYSCLK
AGS
LP
RESETN