Sanyo PLV-WF10 Service Manual page 62

CXA2101AQ
EXT-IN
Y CB CR
64 63
CR1 IN -- 67
CB1 IN -- 68
Y1 IN -- 69
SEL-CR IN -- 73
SEL-CB IN -- 74
SEL-Y IN -- 75
V1 IN -- 65
H1 IN -- 66
SEL-Y OUT -- 73
SEL-CB OUT -- 74
SEL-CR OUT -- 75
1 2
H V
FF-
Description;
* The CXA2101AQ is a bipolar IC which integrates the following functions on a single chip; base
band signal processing, RGB signal processing, and video switching for 4 systems (including HV
sync signal processing) using YCbCr inputs.
80 pin QFP (Plastic)
Multi -Component processor (Base Band Video Signal Processor IC )
SDA
SCL
62 56 55
IIC BUS
DECODER
SUB-CON
Y Y
SHP-LTI
CLP
DPIC
SW
SUB-COL
Cb CTI Cb
MATRIX
HUE
CLP
Cr Cr
COLOR
AXIS
Y / Cb / Cr
3 4 5 7 8 9 10 11
H V
IN-2 IN-3
Features;
* IIC Bus compatible
* Multiscan supported
* Normal, PAL-FF, HD-TV supported
* On-chip video switching for 4 system
* On-chip automatic sync signal identification circuit (with fixed mode)
LRGB2-IN LRGB1-IN
B G R B G R
52 51 50 48 47 46
B
YM1-YS1
CLP-BRT
G
YM2-YS2
R PEAK-LIMT
GAMMA
H / V
H / V
SELECTOR
SW
13 14 15 16 17 20 21 22 23 24
H V H
IN-4
-62-
B
39 -- B OUTPUT
G
DRIVE
37 -- G OUTPUT
BLK
R
35 -- R OUTPUT
29 -- HS OUTPUT
SW
28 -- VS OUTPUT
V
IN-5
FF-